Fix KEYBOARD.SYS Errors

Sometimes Windows system displays error messages regarding corrupted or missing KEYBOARD.SYS files. Situations like that can occur, for example, during a software installation process. Each software program requires certain resources, libraries, and source data to work properly. Corrupted or nonexistent KEYBOARD.SYS file can therefore effect in failed execution of the started process.

KEYBOARD.SYS file Windows System Configuration. The file was developed by Microsoft for use with Windows software. Here you will find detailed information about the file and instructions how to proceed in the event of KEYBOARD.SYS related errors on your device. You can also download KEYBOARD.SYS file compatible with Windows 10, Windows 8, Windows 8.1, Windows XP devices which will (most probably) allow you to solve the problem.

Compatible with: Windows 10, Windows 8, Windows 8.1, Windows XP

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Fix KEYBOARD.SYS errors

1 Information about KEYBOARD.SYS file
2 Errors related to KEYBOARD.SYS file
3 How to fix KEYBOARD.SYS related errors?

3.1 Scanning for malicious software
3.2 System and driver update
3.3 System File Checker tool
3.4 System recovery

4 Download KEYBOARD.SYS

4.1 List of KEYBOARD.SYS file versions

File info

General information
Filename	KEYBOARD.SYS
File extension	SYS
Type	Driver
Description	Windows System Configuration

Software
Program	Windows 10
Software	Windows
Author	Microsoft
Software version	10

Details
File size	8960
Oldest file	2008-04-14
MIME type	application/octet-stream

Most common KEYBOARD.SYS file related problems

There are various types of errors related to KEYBOARD.SYS file. KEYBOARD.SYS file may be located in wrong file directory on your device, may not be present in the system, or may be infected with malicious software and therefore not work correctly. Below is a list of most common error messages related to KEYBOARD.SYS file. If you encounter one listed below (or similar), please consider the following suggestions.

KEYBOARD.SYS is corrupted
KEYBOARD.SYS cannot be located
Runtime Error - KEYBOARD.SYS
KEYBOARD.SYS file error
KEYBOARD.SYS file cannot be loaded. Module was not found
cannot register KEYBOARD.SYS file:
KEYBOARD.SYS file could not be loaded
KEYBOARD.SYS file doesn't exist

KEYBOARD.SYS

Application could not be started because KEYBOARD.SYS file is missing. Reinstall the application to solve the problem.

Problems related to KEYBOARD.SYS can be addressed in various ways. Some methods are meant only for advanced users. If you don't have confidence in your skills, we suggest consulting a specialist. Fixing KEYBOARD.SYS file errors should be approached with utmost caution for any mistakes can result in unstable or unproperly working system. If you have the necassary skills, please proceed.

How to fix KEYBOARD.SYS errors in just few steps?

Remember, before taking any action related to system files perform a backup copy of your data!

KEYBOARD.SYS file errors can be caused by various factors, so its is beneficial to try to fix them using various methods.

Step 1: Scan your computer for any malicious software

Windows files are commonly attacked by malicious software that prevents them from working properly. First step in addressing problems with KEYBOARD.SYS file or any other Windows system files should be scanning the system for malicious software using an antivirus tool.

If by any chance you don't have any antivirus software installed on your system yet, you should do it immediately. Unprotected system is not only a source of file errors, but, more importantly, makes your system vulnerable to many dangers. If you don't know which antivirus tool to choose, consult this Wikipedia article – comparison of antivirus software.

Step 2: Update your system and drivers.

Installing relevant Microsoft Windows patches and updates may solve your problems related to KEYBOARD.SYS file. Use dedicated Windows tool to perform the update.

Go to the Windows "Start" menu
Type "Windows Update" in the search field
Choose the appropriate software program (name may vary depending on your system version)
Check if your system is up to date. If any unapplied updates are listed, install them immediately.
After the update has been done,restart your computer in order to complete the process.

Beside updating the system, it is recommended that you install latest device drivers, as drivers can influence proper working of KEYBOARD.SYS or other system files. In order to do so, go to your computer or device producer's website where you will find information regarding latest driver updates.

Step 3: Use System File Checker (SFC) tool

System File Checker is a Microsoft Windows tool. As the name suggests, the tool is used for identyfing and addressing system file related errors, including those related to KEYBOARD.SYS file. After an error related to%fileextension% file has been discovered, the program attempts to automatically replace the KEYBOARD.SYS file with properly working version. To use the tool:

Go to the Windows "Start" menu
Type "cmd" in the search field
Locate "Command Prompt" result – don't run it yet:
Click the right mouse button and select "Run as Administrator" option
Type "sfc /scannow" in console prompt to start the program and follow the instructions

Step 4: Restoring Windows system

Another approach is to restore system to previous state, before the KEYBOARD.SYS file error occured. In order to restore your system, follow the instructions below

Go to the Windows "Start" menu
Type "System Restore" in the search field
Start the system restore tool – it's name may differ depending on version of the system
The application will guide you through the process – read the messages carefully
After the process has finished, restart your computer.

If all the above-mentioned methods failed and the KEYBOARD.SYS file problem has not been resolved, proceed to the next step. Remember that the following steps are intended only for advanced users.

Download and replace KEYBOARD.SYS file

The last solution is to manually download and replace KEYBOARD.SYS file in appropriate folder on the disk. Select file version compatible with your operating system and click the "Download" button. Next, go to your web browser's "Downloaded" folder and copy the downloaded KEYBOARD.SYS file.

Go to the folder where the file should be located and paste the downloaded file. Below is the list of KEYBOARD.SYS file example directory paths.

Windows 10: C:\Windows\System32\
Windows 8: 1: C:\Windows\System32\
Windows 8.1: ---
Windows XP: ---

If the steps did not solve your KEYBOARD.SYS file problem, you should consult a professional. A probability exists that the error(s) might be device-related and therefore should be resolved at the hardware level. A fresh operating system installation might be necessary – a faulty system installation process can result in data loss.

File versions list

Filename KEYBOARD.SYS

System Windows 10

File size 8960 bytes

Date 2013-08-22

Download

File details
	MD5	9a355b75137e8a5f3c384c999cc6dbbc
	SHA1	2be21636f3c2899f1217c289351b106118a5e197
	SHA256	126a00e34a6516c0d382a221071ab4084031c2a89ccb6144cab960ce1f86ee2c
	CRC32	2b4e36e7
	Example file location	C:\Windows\System32\

Filename KEYBOARD.SYS

System Windows 8

File size 42537 bytes

Date 2012-07-25

Download

File details
	MD5	fbbcfec1379c5c02d88a361993edf1b8
	SHA1	09eed7f17eafe3cafc48981ffea2c456907e80a8
	SHA256	659e4e60a48ba8022740537c2918fcadd935b8b98dcd778bf7a6c1099fe71446
	CRC32	51c88271
	Example file location	1: C:\Windows\System32\

Filename KEYBOARD.SYS

System Windows 8.1

File size 8960 bytes

Date 2013-08-22

Download

File details
	MD5	9a355b75137e8a5f3c384c999cc6dbbc
	SHA1	2be21636f3c2899f1217c289351b106118a5e197
	SHA256	126a00e34a6516c0d382a221071ab4084031c2a89ccb6144cab960ce1f86ee2c
	CRC32	2b4e36e7
	Example file location	---

Filename KEYBOARD.SYS

System Windows XP

File size 42537 bytes

Date 2012-07-25

Download

File details
	MD5	fbbcfec1379c5c02d88a361993edf1b8
	SHA1	09eed7f17eafe3cafc48981ffea2c456907e80a8
	SHA256	659e4e60a48ba8022740537c2918fcadd935b8b98dcd778bf7a6c1099fe71446
	CRC32	51c88271
	Example file location	---