First, let's talk about what to do if when working in Windows 7, when you turn on the computer or after exiting the hibernation mode (sleep) you see the blue screen of death and the message with the 0x000000A5 code.
How to fix STOP 0x000000A5 error in Windows 7
In most cases, the reason for the appearance of this error code in the Windows 7 operating system is certain problems with RAM. Depending on which moments this error appears, your actions may be different.
If the error appears when the computer is turned on
When an error appears with the 0x000000A5 code immediately after turning on the computer or during the OS load, try to do the following:- Turn off the computer, remove the side cover from the system unit
- Remove RAM board from slots
- Pull the slots, make sure that there are no dust
- Clean contacts on memory straps. Good tool for this - ordinary eraser.
Install the memory planks in place.
If it did not help and, provided that you have several memory modules installed in your computer, try to leave one of them and turn on the computer. If the error has been preserved with it - put the second in its place, and the first to take out. In such a simple way, the method of trial and error, you can identify the RAM failed module or a problem memory slot on the computer's motherboard.
Upgrade 2016: One of the readers (Dmitry) in the Lenovo laptop comments offers this way to correct the error 0x000000A5, which, judging by the reviews, works: In the BIOS on the Save tab, put the setting optimized under Windows 7, then click on the inscription load the default settings ( Load Defaults). Lenovo laptop.
If the error appears when the computer is out of sleep or the hibernation mode
I found this information on the Microsoft website. If the error 0x000000A5 appears when the computer is output from the hibernation mode, you may need to temporarily disable hibernation mode and delete the hiberfil.sys file at the system disk root. If you cannot start the operating system, you can use any Live CD to delete this file.
Error installing Windows 7
While I studied Microsoft's manuals on this topic, I found another possible moment of the appearance of this blue screen - at the installation stage of Windows 7. In this case, it is recommended to disable all unused drives and the periphery until the installation is completed. Some helps.Error 0x000000A5 when installing Windows XP
In the case of Windows XP, it is somewhat simpler - if you have a blue screen with this error code when installing Windows XP, start the ACPI BIOS ERROR test, start the installation again and at the moment when you see the text "Press F6 to install SCSI Drivers or RAID "(Press F6 IF You Need To Install Third-Party SCSI OR RAID DRIVER), press the F7 key (exactly F7, this is not an error).