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Acpi.sys is a Microsoft Windows driver file created exclusively to manage your system’s performance settings in the Windows environment. It is specially designed to manage the power of your hardware devices. Acpi.sys is an important system file that is associated with a number of different processes in the operating system. Deleting or modifying this file in any way can and usually leads to fatal errors.
The Acpi.sys file is usually stored in the following location:
c:\Windows\System32\DRIVERS\ACPI.sys
SYS error messages such as acpi.sys error are the most difficult and frustrating puzzle that an average computer user can solve. These errors are just as difficult for us as hieroglyphics to understand, let alone correct, their meaning. No one likes to see SYS errors like acpi.sys errors on their computer because it’s a signal that something is wrong with our computer.
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Restart your computer.
Try restarting your computer, although this method seems too simple, sometimes it really works! It is estimated that more than half of all it problems can be solved by a simple restart.
Updating or resetting the ACPI driver
You must either update or reset the driver. If you have just updated the ACPI driver and the problem has occurred subsequently, you must reset the driver. If you have not, upgrading this device driver to the latest version may help you.
Open the Device Manager in the WinX menu. Select the ACPI.sys driver and right-click on Properties. Then go to the Drivers section. Rollback is only available if the last update has taken place. If this is not the case, click Update Driver and Windows will automatically check for problems.
If this does not help, you can copy the ACPI.sys system driver file from the System32 folder of another good computer with the same version of the Windows operating system and place it on your problem system and see if it helps.
Performing a hard disk analysis
Hard disk errors can also be the reason why you get the blue ACPI.sys screen. You can try performing a check on floppy disk to see if it works. Disk Check is a useful integrated Windows tool that checks and corrects our hard disks and external disks to detect errors.
Using System Restore
You can perform a system recovery operation by booting in safe mode or using the advanced boot options.
If you are in the advanced boot options, you can directly select System Restore and proceed with the steps. If you have just started in safe mode, run sysdm.cpl from the search field.
Select the System Protection tab and then the System Restore button.
A new window opens in which you must select the desired system restore point. Once you have selected the desired system restore point, follow the on-screen instructions to complete the process.
Now restart your computer and see if this method has solved your problem.
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