How to fix A20 Error when starting the computer
Error A20 Error appears when the Power On Self Test (POST) process occurs automatically after the computer is started. The operating system is not loaded when this A20 Error appears.
A20 Error messages often appear in many ways, but usually:
A20
Error A20
A20 Error
What causes the A20 Error error?
Error A20 Error is reported when it detects problems with the keyboard or keyboard controller placed on the motherboard. Although the A20 error may be related to something else, often this happens very rarely. In short, just see the A20 Error, think about the keyboard.
How to fix A20 Error?
Turn off the computer if it is on.
If using a USB keyboard, try changing the connection port.
If using a standard keyboard, remove the keyboard connector (connector) that is connected to the case.
Check to see if the pins on the keyboard connector are curled and if so, try to gently fix it. Clean plugged dirt on the connector pins. Use a paper clip or pen to bend the pins to a position where you feel more straight. Then try plugging in the keyboard again.
Check if the pins on the keyboard connector are broken or burnt. If so, you must replace the new keyboard.
Check the connection port on the computer that you use to plug the broken, burned keyboard. If so, this port cannot be used anymore. Although the keyboard connection port is on the motherboard, you do not need to buy a new motherboard to fix the A20 Error error but just buy a USB keyboard instead.
If the above steps haven't found the error yet, try installing another keyboard that still works in the machine and try restarting. The A20 Error error disappears, indicating that the keyboard is broken, buy another one instead.
As a last resort, if the keyboard, the jack, the connection port are no problem, there may be a problem with the keyboard driver on the motherboard. In this case, only replacing the motherboard can solve the problem.
Also, check that the control chip is in the right place, try pressing it slightly deeper.
Error A20 Error applies to
This error applies to any keyboard hardware. The operating system is not related to creating this error message. Therefore, you may experience A20 Error on any Windows operating system such as Windows 10, Windows 7, 8 / 8.1 or Windows XP.
Note: Some software may use the A20 error code for cases that are not related to the keyboard. Stan is an example, it reports an A20 error when the video cannot stream.
See more:
- Top 11 best wireless keyboards for Mac and PC
- Fix keyboard error not working on Windows 10
- How to fix typed keyboard errors when entering content
You should read it
- Fix keyboard error not working on Windows 10
- Summary of iOS 17 errors and how to fix them
- How to fix 403 Forbidden Error
- Instructions for fixing 'Unfortunately, Android Keyboard Has Stopped' error
- Steps to fix error 0x8004FC12 on Windows 11
- How to fix 'Obtaining IP Address' error on Android
- How to fix CLR error 80004005 on Windows 10
- How to fix the Disk I / O error in Windows
May be interested
- Fix computer restart errorfix computer restart error. in the process of using a computer, you have an error that your computer repeatedly restarts or is suddenly shut down. this error has many causes such as: hard drive physical error, cpu overheating, liquid ram ... etc.
- Steps to fix errors 0xc0000225 on Windows Vista / 7/8 / 8.1 / 10have you ever received an error message when starting windows vista, 7, 8, 8.1 or windows 10 computers: '0xc0000225: an unexpected error has occurred'? in the article below, network administrator will guide you through several ways to fix this error.
- How to fix error msvcr100.dll on Windows 100% effectivewhen starting the program, the system error message will appear - 'the program can't start because msvcr100.dll is missing from your computer. try reinstalling the program to fix this problem '.
- Instructions to quickly fix Boot Loader errors on Windows 10boot loader errors on windows 10 can prevent your computer from starting, causing interruptions in your work. this error often comes from lost boot files due to sudden power outages or malware. this article will help you fix the error quickly, without having to reinstall windows.
- Fix BOOTMGR error is missing when starting Windowsbootmgr error is missing is one of the common errors, users often encounter during windows startup. so how to fix this error. please refer to the following article of network administrator.
- Instructions to fix blue screen error on computerthe phenomenon of blue screen error on computer dump stop or blue screen error win 10, blue win screen error xp has appeared for a long time. it seems that microsoft considers this a unique feature when not offering a specific solution to overcome this problem, but instead is the user to find the cause and handle. in the article below, tipsmake.com will introduce you some basic operations to fix this annoying blue screen error ...
- Fix iPhone error not connecting to computeryou are not the only one experiencing the iphone not connecting to the computer error. many people are facing this annoying problem. the cause could be something as simple as a broken cable, a driver issue, or a faulty version of itunes.
- How to fix No bootable device error insert boot disk and press any keythe no bootable device insert boot disk and press any key error is a rather annoying error that often appears when starting the computer.
- How to fix Dxgmms2.sys xanh Blue Screen errorin the process of using the computer, you may have encountered the blue screen of death with the dxgmms2.sys error message, this usually happens when playing games or performing tasks that require heavy graphics.
- What is 100% disk error? How to fix this errorwhat is 100% disk error? how to fix this error if your computer is experiencing a full disk error, it leads to the computer hanging, flickering and jerking, affecting the work of the computer.