8 Ways to Keep Your Computer Safe From Hackers and Cyber Attacks

Safe From Hackers

With the increase in adoption of computers and latest online gadgets, the risks of hackers and cyber attacks have also increased. Today, we are living in an era, where security threats such as cyber attacks (ransomware, phishing, etc.) have become quite common. As we are developing new ways to avoid these attacks, hackers always feel their presence in a new way.

Today we are going to discuss some tips and tricks to keep your computer safe from hackers and cyber attacks. As someone has said - "There is always a hedge to care", but by following these methods, you can ensure the security of your computer to the maximum level.

How to Safe Your Computer From Hackers and Cyber Attacks?

1. Install Good Antivirus Software

Antivirus should be a software nowadays. Like a security guard in your home, antivirus software plays an important role in providing real-time security to your computer as they detect threats even in real time. Antivirus software monitors everything like viruses, trojan, etc. and prevents any unauthorized access to your computer. There are many good antivirus software available in the market. So, you should only pay a maximum level of security in your budget. Also, do not forget to update it regularly.

 Also Read :- Best Computer Security and Antivirus Tools You Must Have Installed

2. Firewall Installation

A firewall is a software or firmware that sits between your computer and network and prevents any malicious data packet from entering your network. Firewalls are of two types - a hardware firewall and a software firewall. There are many other advantages of using firewalls. This not only prevents external packets from entering your network, but also prevents insects or other malware from spreading across the network. Actually, this is the first level of security for your computer. Those who use computers from the home environment should always have their firewall turned on.

3. Anti-Spyware Software

Many people still use one to integrate with free anti-spyware programs or antivirus software. I'm not saying that they do not work, but many of them do not provide real-time or active protection from Trojan, adware and other spyware infections. Apart from this, there are many free anti-spyware software that detects threats after infecting a system. This makes their presence useless. So, always go for the payment (licensed) programs that not only protect your computer, but also remove such infections when they already exist.

4. Deploy DNS Protection

Sometimes visiting a webpage is enough to infect the victim's computer. It usually starts when you download an infected program. This program replaces the DNS server with a DNS server that is poisoned. Now, every time you request to open a website or a link, the compromised DNS server redirects you to the unauthorized web server. These types of threats can usually be stopped by changing your DNS address to Open DNS. This is a free DNS service that protects users from common phishing, spyware and other web-based threats.

5. Disable Autorun

Disabling autorun is an advice that everyone should follow. Many times, we connect an external drive to our system and it starts running automatically. Here, you should also know that AutoRun can automatically install viruses in your system. There are many viruses that work by connecting themselves with pen drives and other external drives. Therefore, you should disable the Windows Autorun feature to avoid such threats.

6. Regularly check your Browser’s Security Settings

Web browsers come with various security and privacy settings that should be periodically reviewed. Occasionally, adware changes the preferred homepage address and starts redirecting you to a new page. Although this is just a small issue, if they interfere with your privacy, then adware can do a great deal of harm. If you do not know much about the settings or are unsure about the settings? Just install ADW Cleaner and after clear scan click on clean. ADW Cleaner Adware is quite popular for browser hijackers and potentially unwanted programs (PUP).

7. Install Softwares from Trusted Sources Only

Yes, I know that you are already aware of this tip, but when people say a popup box on the side of the screen - if your system is infected, they can not stop themselves from clicking on the alert. A few years ago, the popular pop-up scam advised Chrome users to set up a missing font called 'HoeflerText'. But, it was connected to malware. Therefore, you should always be careful while browsing the internet. If you find an ad that seems suspicious, the best way to save yourself is to ignore the ad completely. Otherwise, you can download malicious software and compromise your privacy and security.

8. Know how to Identify Phishing Scams

Phishing is a method of obtaining your personal information without your knowledge by using illegal methods. The phishing website usually uses a legitimate website using its logo and architecture and does its best to get your personal information. Not only the website, but we also receive many phishing emails per day. They usually look like they are coming from the original source, but their purpose is to win only your trust and prepare you to click on the included link and in the end you have to infect your computer with malware.

The best part is - you can easily identify these fake emails by looking at the email header. Just click on View Details option and check out where the email came from.  Always remember that you do not have to click on the link to check the website. Just move your mouse over the link and see the address at the bottom of your internet browser.

Also Read :-  How to speed up your PC

Wrapping Up: Tips to Save Your PC/Laptop From Hackers and Cyber Attacks

I hope that these suggestions will be helpful to ensure the security of your computer. As my purpose was to share some ways to protect my computer from hackers and cyber attacks, I have not included the 'Take Regular Backup' tip here, but it is the most preferred way of avoiding such situation where you There is no substitute for restoration. required data.

If you liked this article, then share it with your friends and family, as we all know - "Sharing is care". For more, stay with blackridertips. Thank you.....

Best Computer Security and Antivirus Tools You Must Have Installed

Security and Antivirus Tools

Malware is growing. And phishing attacks Identify ransomware, theft, data breaches and more. Not only are cyber attacks and attacks rising, but also cost more in their influence, it takes more time to recover and it can be very harmful.

It is high time to consider your system security. There are many anti and anti-like programs, it is difficult to separate the security wheat from cyber chaff.

Confused about computer security? How to protect your computer? In this guide, we will show you the software and tools used to protect your own computers. Here are the best security software and tools.

The Best Antivirus Software

Each Windows device should have an antivirus suite installed. Windows Defender Security Center is the Built-in Windows 10 antivirus. Thanks to Microsoft, Windows Defender is more effective than ever. It is not the best, but it certainly will be done in a pinch. Otherwise, you need to check one of the below payment or free antivirus options.

Bitdefender Antivirus Plus 2019

Bitdefender Total security

BitDefender products are consistently top of the "best" antivirus and security application list. And for a good reason Bitdefender is based on the excellent antivirus plus 2019 2018 offer and offers some of the most comprehensive protection.

Comprehensive protection protects you from a huge range of vulnerabilities and attacking vectors. The 2019 recurrence RanSware offers updates for security, puts "remedial layers" on your videos, images and documents, which prevents ransomware attacks that destroy your data.

Another useful addition is the update network hazard prevention which uses a network-based layer of security system to prevent attackers from exploiting weaknesses in your system.

Bitdefender antivirus plus retail for $ 49.99 for 2019 one year license.

Kaspersky

Kaspersky Antivirus

Kaspersky Total Security is an excellent safety product for home users. Like Bitdefender, Kaspersky's total security is consistently top of the "best" lists. In fact, the cryptowalware protection system is one of the best consumer ransomware protection products (as part of a suite).

Better still, Kaspersky records fewer false positivities than almost every other antivirus suite. Kaspersky's total safety is also a great option for those seeking parental control. You can control and manage your children's device profiles through your Kaspersky's Total Security Suite,
The total security of Kaspersky for $ 1 99.99 is $ 99.99. You can also see Kaspersky Free.

The Best Anti-Malware Software

Do you need third-party firewalls? Honestly, I do not think you do. Windows Firewall is an excellent choice, as you will see below, but if you want some extra functionality, then we have introduced a few other options that you can see.

Malwarebytes

Malware Bytes Anti Malware

There is a program that you will find in almost every anti-malware list: MalwareBytes. MalwareBytes for Windows (formerly MalwareBytes Anti-Malware) is one of the modern system security grandparents. It is well-respected, constantly updated, and has excellent recognition and removal rates.

Malwarebites come in two flavors: free or premium. The main difference between the two is Live System scanning. Malwarebytes Premium actively scans and protects your system, while the free version is only for remedition. If you want to make a strong defense blocker, Malwarebytes Premium is an excellent choice.

HitmanPro.Alert

Hitman Pro

The ultimate anti-malware program for your consideration is HitmanPro.Alert.

HitmanPro is a "secondary antivirus scanner", which means that it works with your existing antivirus to capture and remove any thing sliding through the net. And HitmanPro is just really good at doing this.

I use HitmanPro every time when someone gives me an infected laptop. After scanning with the antivirus program, then the Antimalware program captures anything leaked in the dark corners of the HitmanPro system.

It's powerful, it's easy to use interface, and it's lightweight. HitmanPro.Alert Premium Edition. In addition to offering real-time security, ransomware security and banking security, HitmanPro.Alert has a particularly good success rate regarding bootkits and rootkits compared to their competitors. These present malware scenarios and HitmanPro represent some nested infections. Artert is one of the best preventive devices.

Also check :-  How to speed up your PC

The Best Backup Software and Tools

With the preventive and protective software, you need to have a regular system backup. Windows 10 has an basic backup service. In addition, it is easy to confuse system backups with system imaging, and with system restore points again.

System Image: An accurate copy of the entire drive. A system image can be used to restore a computer the moment the image was taken. System images are generally stored on the same system, which is ready for use but can also export removable media.

System Restore Point: Your system time to time creates system restore points. If you face a major problem and can remember the last good work configuration, then going back to a restore point is a good option.

Full backup: A complete backup usually selects an offline offline copy of an entire system or parts of the system.
Keeping this in mind, let's look at some of the best backup software and tools.

EaseUS Todo Backup Free

Ease Us Todo backup Free

A new addition to the list, EZUs Todo Backup Free includes a huge range of backup types. For example, you can back up personal files and folders, entire drives, special partitions, or classic full system backups. There is also an option to back up your files for cloud storage solutions.

A useful tool for many users is the "smart" backup option. You can use the smart option for those backup files and folders that you use repeatedly and can not cope without losing. You can set up a smart feature to detect changes every half hour and if so, create a backup.

The Best Disk Encryption Software

More and more "regular" users are feeling that their data requires serious security and now understand that full disk encryption is a great way. To get hold of with encryption? Here are the basic words needed to drown your teeth.

Bitlocker

Bitlocker

The best full disk encryption tool is BitLocker. If you have a Windows 10 Pro, Enterprise, or Education, you have a BitLocker installed it is just a matter of firing it up and learning how to use it. Unfortunately, Windows 10 Home users should use one of the (also excellent) alternatives below.

This is the third-party software vulnerabilities related to issues related to this alleviates issues. Second, it uses powerful encryption to keep your files completely secure, and you can choose from a range unlock options too.

VeraCrypt

VeraCrypt

There are many free options for BitLocker. Perhaps the best known is VeraCrypt, which is made from the ash of Depreciation Encryption Tool, TrueCrypt. VeraCrypt is full of means of work.

VeraCrypt gives users a wide range of encryption options compared to BitLocker. There is also the option of hashing algorithms. If you are not upgrading to Windows 10 Pro, then VeraCrypt is the perfect way to go. In fact, even if you have a BitLocker, still consider the advanced options of VeraCrypt. After all, it's free!

The Best Password Managers

I am dedicated to a small section only to password managers. Why? My colleagues have covered password managers on a large scale, such as password manager features you are not using this article! However, I will consider giving you the best two password managers.

LastPass

Last Pass

LastPass is one of the best password management options for many people. It is easy to use, provides a safe safe deposit box, and its price is extremely competitive. Better still, you do not have to leave $ 24 per year for premium membership. There are almost many features in the free version.

KeePass

Kee Pass

KeePass is an open-source password management solution. The multi-device, cloud storage approach encrypts your data instead of the keypace stores and locally. On one hand, it is great. You do not have to trust your internet connection to access your password safe. On the contrary, you need to install KeePass on the device you are using so that it can process a bit slower than its competitors.

The Best VPN Software

A virtual private network (VPN) is an affordable and easy way to increase your security and privacy. A VPN encrypts your internet traffic between your computer and secure VPN server, to ensure that no one can snoop your data in transit. People also use VPN for skirt censorship and other geo-restricted materials.

ExpressVPN

Express VPN

ExpressVPN remains one of the best VPN services in more than 160 physical locations in 94 countries, with more than 3,000 servers. ExpressVPN supports PTP, L2TP and OpenVPN protocols, which means that you can have excellent privacy as well as fast connections.

ExpressVPN does not contain data, it has tor support, and like good netflix is ​​very good to reach a wide range of online video streaming services.

NordVPN

Nord VPN

The option for our last payment is NordVPN. Due to privacy, security and speed dedication, the NordVPN constantly ranks in the top positions of VPN providers. NordVPN now operates more than 5,100 servers in 61 countries.

There is a strong chance that you will get a server in the country you need, and you have a comfortable experience. In addition, the NordVPN server proliferation means that you give an excellent opportunity to log in to your video streaming accounts from wherever you want; Even hard services like BBC iPlayer!

You can use the NordVPN on Tor, as well as for torrenting, and there are no bandwidth or download restrictions.

What Are Your Favorite Security Software?

We are at the end of the line. Hope you have built a multi-layered security wall for your system. The important thing is that do not panic. Yes, there are large amounts of danger. Yes, they are getting spoiled because our reliance on computers increases. No, you should not be separated from everything and stay in a cave.

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How to speed up your PC

Over time your PC creates an array of unnecessary programs, files and data within your storage. We are going to show you the tools that we are recommending how to remove these issues that can slow down your PC's performance.

how to speed up your laptop

We are also going to recommend some tools that ensure that you have all the latest drivers installed and others who help you to handle sensitive personal information properly.

How to increase the speed of your PC

Before using any software, delete the temporary file from the computer's own command, this will make your system a bit fatter, here are the commands.

First open Run command using Win+R. and type this commands one bye one

1. temp

2. %temp%

3. prefetch

In all this folders you'll find some temporary files just select it and delete it.

After that we have some list of best software, this will turn your computer into rocket.

CCleaner (Recommended)

ccleaner

One of the most suggested apps for this task is CCleaner.
This program checks your PC for any nonsensical, duplicate, broken or corrupted files and removes them with the click of a mouse. If you wish, it will also automatically remove cookies and browsing data.

You can come to CCleaner's website to download it for free.

Should I Remove It?

should i remove it

Even the most experienced PC users will sometimes come across a program or file on their PC, whose purpose they do not know. Should I remove it is a great software that looks at the programs installed on your PC and tells you what they do, so that you get the information that you can remove the program or not, more informed options on this Can create.

You can remove over-to-eat website and download the app for free.

EF StartUp Manager

When your PC is powered on, Windows will start the program automatically. If you have a lot of programs to run on startup, then it can dramatically increase the time it takes to power your PC.

EF StartUp Manager tells you which programs will run automatically at the start of your PC and will manage the process more efficiently to run and run as soon as you can.

Regseeker

regseeker

The registry is the core of software operation on your computer. You can access it yourself, but it is kept hidden so that people do not accidentally reach there, which can cause serious consequences for your machine.

If you need access to the registry for any reason, please make sure that you have already returned it.

Regseeker checks your registry and removes any unnecessary entries or errors from previous programs that the entries are left behind when they were uninstalled, or even existing programs that have been corrupted or broken .

You can download Regseeker from its website.

Secure Eraser

secure eraser

Secure Eraser provides the option of your Recycle Bin, removes files and information in such a way that it can not be recovered.

If you often deal with sensitive data or want to make sure that any personal information you want to delete is irreversible then the secure eraser is the right tool. visit this website for download.

Update Star

update star

The update star helps ensure that all software running on your PC is up-to-date. This is a great small device that reminds you of the updates of your software in one place and keeps your drivers ready to go.

You can take a look at the update star on its website.

Tips for solving computer and laptop hanging problem

Fix hanging problem in PC or Laptop

PC or Laptop hanging problem

* Reboot/Restart your system

It will make the PC to clear the cache, clear RAM memory,a farm of computer data storage your PC need to operate properly and force registry  read, "tuning"

 your computer up a bit.

* Not enough free Hard drive space

Verify that there is at least 25% of free hard drive space, and increase, when possible.

* Hard drive Corrupted or Fragmented

1. Diagnose and repair your hard drive.

2. Run "scandisk" or something equivalent to verify there is nothing physically wrong with the computer's hard drive.

3. Run "defrag" to ensure that data is arranged in the best possible order.

* Too many Background Programs

Remove or disable any startup program that automatically starts the computer boots every time.

To see what programs are running in background and how much memory and CPU they are consuming. Open Task Manager using (ctrl+shift+esc).

* Infected with Virus or Malware

If you suspect your PC has been infected. you need to scan your PC. Spyware and other Malware  are a big cause of many computer problem including a slowing your system.

* Hardware conflicts and outdated software

Use computer's "Device manager" to verify that your computer has not hardware conflicts and to troubleshoot if necessary, and also update your computer drivers.

You can also use Third party Software to update drivers like (Driver easy).

* Your version of OS or other software is out of date

1. Make sure you have all the latest windows updates installed in the computer.

2. If you are on the internet when computer slow also make sure all browser plugins are up to date.

* Computer or Processor is overheating.

Make sure your computer and processor are not overheating.Excessive heat can cause a significant decrease in computer's performance.

* upgrade your memory

Upgrade your RAM or Hard drive to get out of this problem.

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Line on display in PC or laptop

Fix Line on display problem in PC or laptop

line on display

The horizontal or verticals lines on the computer screen caused by various issues, ranging from outdated graphics card drivers, incorrect video cable connections to defective ribbon cabels.

* Update graphic card

You shall upgrade it to the latest version to solve the driver compability problem.

* Adjust Screen Resolution settings to fix laptop/computer screen

Incorrect screen resolution settings could also result in the horizontal or vertical lines on the computer screen. to get rid out of this problem, you need to adjust the screen resolution settings. follow this steps

Go to your desktop screen and right click on the empty place.

Click Display setting.

the setting window will open select advanced display setting at the bottom of the screen.

A lot of screen resolution will be available to you. set the resolution drop down menu to the setting that has the (recommend) text next to it and click OK.

* Reconnect the video cable.

Also Read - Touchpad not working in laptop

If your ribbon cable is defective, you could replace the ribbon cable with new or one of the same connection.* Replace the Ribbon cableIt may be related to the incorrect video cable connection. you could also try to reconnect the video cable to the screen and then check whether the horizontal or vertical lines are gone.

Touchpad not working in laptop

                             Touchpad not working

touchpad not working

* Check if accidently disabled touchpad

Every laptop keyboard has a built in hot keys that you let enable/disable the touchpad. 

Every laptop manufacturer has a combination of different functions (fn) for it.

For Lenevo, Dell, HP, Toshiba, Acer and Asus laptop try using the following key combination.

1. fn+f6

2. fn+f9

3. fn+f12

4. fn+f5

It can be of any function from F1-F12, a small touchpad has been given on that function key. so, look closely. once you find it, hols "Fn" key and then press that function key.

* Enable Touchpad from mouse setting

Open start menu and type 'mouse setting' and open the first thing that comes touchpad setting and make sure the enable touchpad option is checked. Also see the taskbar icon for the touchpad icon (near the volume control) and see if it is disabled.

* Re-install Touchpad Drivers

Download or update your laptop's touchpad drivers.

1. Go to "device manager" and find touchpad driver and update it.

* Enable Touchpad from BIOS configuration

Enter in BIOS setup, and navigate inside the BIOS utility.

Open the following

System properties > keyboard/mouse feauters > device options.

From there find the internal pointing device or touchpad, press enter and use arrow key to enable or disable it.

* Reboot your laptop

Shutdown your laptop, remove battery for about a minute, Re-attach the battery then start the laptop.

* Make sure Touchpad is securely connected

touchpad not working problem

Disassemble the laptop, make sure the touchpad is securely connected to the mainboard sometimes hard bumps/hits cause touchpad to loose its connection.If this doesn't work,it's time to replace the touchpad.

if you want more PC maintenance tips click here :- PC maintenance

I think you know how to repair the touchpad of your laptop and also bookmark this website for more information like this.

Fix Automatic Restart Problem in Windows

Fix Automatic Restart Problem in Windows

Check common reasons for the issue. Some of them are Software/drivers conflicts, hardware issues and virus infection.

automatic restart problem

* Software or Driver conflicts.

When your PC acts strange, first verify the last installed software or drivers on your computer has no compability issues.after installing new software or driver on your PC, if it has any compability issues,you may face this issue.If you think the automatic rebooting issue started after installing any software or driver, you need to uninstall all the software. If the problem persists even after uninstalling the software then you can restore.the system.

fix blue screen of death (BSoD)

* Hardware Issues

1. Heat Related issue

Brand new laptop and PCs are designed in a way to shutdown or restart automatically if the processor heat exceeds a certain in level, make sure your laptop or PC have not any heat related issue.

2. Corrupted System Memory

If the RAM moduler in your PC are corrupted, that may cause automatically system reboot. To verify this, you should start with your PC's second piece of RAM.

3. Dust particles in your system cabinet.

Presence of dust particles in CPU may trigger automatically system restart.If is agood practice to clean system cabinet to make your PC free from dust particles.

4. Test Power Supply.

Make sure your computer either shutdown or reboot automatically without warning.Test it, and if you find any issues with power supply, replace it immediately.

fix no power on in laptop or PC

5. Possible loose connection

It is also advised to disconnect hard disk, DVD drive from motherboard and reconnect to avoid any loose connection.

* Possible Virus Infection

Some computer viruses are powerful that reboot your computer without your permission.
It's better to scan viruses on your computer using a reputable antivirus software.\

Note:- By default windows set automatic system reboot in every system failure. You can disable it under start up and recovery. You will see a checkbox to stop automatically reboot.

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Fix Blue Screen of Death (BSoD) Errors in Windows

 Fix Blue Screen of Death (BSoD) Errors in Windows

Blue Screen of Death (BSoD)

Blue Screen of Death (BSoD)

Blue Screen of Death (BSoD)

Blue Screen of Death or BSOD is always an unwanted scene. BSoDs appear when Microsoft windows encounters a critical errors usually the result of low-level software,drivers crashing or faulty hardware.

In windows 7,8, and 10 you can trouble Blue Screen information using the action center. In windows 7, head to (control panel > system and security).In windows 8 and 10, head to (control panel > security and maintenance).In windows 8 and actually perform this troubleshoot step automatically when your PC restart after BSoD.

* Scan for Malware to fix BSoD Errors

fix blue screen of death

Malware that digs deep into windows and get it's hooks into the windows kernel at a low level can cause System instability.Scan your computer for Malware to ensure buggy malicious software isn't causing it to crash.

* Install Updated Drivers to fix BSoD Errors

install driver to fix blue screen

An incorrectly installed or buggy driver can lead to crashes.Download the latest drivers for your computer's hardware from your computer's manufacturer's website and install them, this may fix your BSoD's errors caused by driver problem.

* Boot into safe mode to fix BSod Errors

boot into safe mode to fix blue screen

If your computer is showing Blue Screen every time you turn it ON, try booting into safe mode.In safe mode windows load only the essential drivers.If a driver you've installed is causing window to Blue Screen it shouldn't do so in safe mode.you can work on fixing the problem from safe mode.

* Check for Hardware problem to fix BSoD Errors

check harware problem to fix blue screen

Blue Screen can be caused by faulty hardware in your computer.Checking CPU temperature to ensure that it isn't overheating. If that fails. You may need to test other hardware components.

* Use System Restore to fix BSod Errors

If your System started Blue Screen use System Restore to all its System software back to a previous Step.If this work works you'll know that it's likely a software problem.

* Re-install Windows to fix BSoD Errors

reinstall windows to fix blue screen

Resetting Windows or performing a clean install is the nuclear option.It will blow away your existing system software,replacing it with a fresh windows system.If your computer continues showing Blue Screen after this, you likely have a hardware problem.

I hope you have got some vivid idea about how to Blue Screen of Death. If you have any question you can comment below. Thank you....

Three Things You Most Likely Didn't Know About No Power In Laptop

In Hardware language we mainly called this issue a no display problem.

no display

In case your laptop doesn't show you any sign of power supply, then it means that you have a different problem with your laptop and now the only thing what you can do is to use some different(but same) power adapter on your laptop just for the testing purpose.

To troubleshoot the problem on a user end, you only have Three different methods what you can try on a laptop before sending it to the repair.

* Display Checkup.
Test your laptop's output on some other external monitor. That's how you can easily troubleshoot your laptop and find it that really the internal fault or just a display.

display checkup

* BIOS Checkup.

BIOS problem

The best way to trigger faulty is to reset it and these steps will help you manually reset your laptop's BIOS.
Step 1-: First you'll need to fully turn off your laptop and then unplug the power adapter and then the battery too.
Step 2-: Now press the Power button of Laptop for about 20 seconds to reset the CMOS configuration.
Step 3-: After that turn your laptop ON without even using the battery and by just connecting the power adapter only.

Most of time this will completely reset BIOS  and now you are able to run your laptop,just like as it was before.
           and in some cases you'll need to de-assemble your laptop in order to properly reset the BIOS by removing the CMOS battery for 5 seconds.

* RAM Checkup.

check RAM

RAM is the one who easily get dirty due to age or bad moisture surrounding and not just that, it's also possible that your RAM got dead too.
              How to fix RAM problem
Step 1-: Unplug all the power source like a battery or power cable.
Step 2-: Now open your laptop's back case where actually the RAM is located and then remove the RAM from its slot.
Step 3-: After that you have to clean your laptop's RAM well.
Step 4-: Now it's time to put the RAM back to their place. In case if you have two RAM installed in computer then you can try to remove one of them and then turn ON your laptop.if your PC still won't work,then just remove the RAM from it's slot and then install another RAM in same slot. if your computer still won't able to work out, then just repeat the previous step on the other RAM slot of your laptop.
          and then you can easily find which of your RAM or RAM' slot isn't working properly.

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