One of the reasons why the fastfat. SYS file is incorrect and the blue screen is incorrect in computer company special edition 8.5

Last night, the computer company used the special edition 8.5 for installation. It was an old computer in a few years. After cloning the result, the system prompts that the fastfat. SYS file is damaged, which is really strange. This disc was just burned and should not be faulty.

At first, I thought the file was broken. I used the XP original disk to restore the expand, but the result was useless. It is useless to delete and recreate the partition. Later, I suddenly thought that the memory of this machine was two new 512 records. I thought it would be the reason for the memory, so I dropped a memory. Sure enough, XP no longer prompts fastfat. sys corruption, but a blue screen error occurs. This indicates that the memory is still the reason, so I carefully looked at the BIOS settings. Indeed, the BiOS supports up to 333 of the memory, but the inserted memory is 400, change the memory frequency from automatic to 333, and then start the system. Everything is OK.

Feeling: XP often appears what file is not found or file damage, especially when the boot prompt, usually is a memory problem, is not really file damage. Pay attention to this.

Description from Microsoft:

An error message occurs with the damaged Ram or if the fastfat. SYS file is damaged or lost.

Symptom

When you start your computer, you may receive the following error message:

Windows cannot start because the following files are lost or damaged: system32/Drivers/fastfat. sys

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Cause

This problem may occur if one of the following conditions exists:

•	The fastfat. SYS file is damaged or lost.
•	Ram on the computer is damaged or improperly installed.

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Solution

To solve this problem:

1.	Make sure that Ram on this computer is not damaged and has been correctly installed: WarningIn the following process, Ram is deleted from the computer. This process cannot be completed unless you are very familiar with preventive actions to delete internal computer hardware components. Some computers of internal components may be damaged by static discharge, deletion or insertion, which is used to force too many or inappropriate tools. Microsoft recommends that you and qualified technologies be used to repair internal computer components. Computer components. For proper processing, contact the computer manufacturer. For how to contact the hardware manufacturer, click the appropriate article number in the following list to view the corresponding information in the Microsoft Knowledge Base. 65416 (http://support.microsoft.com/kb/65416/EN-US/) third-party hardware and software supplier contact list A-K 60781 (http://support.microsoft.com/kb/60781/EN-US/) third-party hardware and software supplier contact list L-P 60782 (http://support.microsoft.com/kb/60782/EN-US/) third-party hardware and software supplier contact list Q-Z A. Disable the computer. B. Delete the computer, install the memory module, but retain enough RAM for the computer to start and run Windows. For Windows Ram requirements, click the following document number to view the corresponding information in the Microsoft Knowledge Base: 304297 (http://support.microsoft.com/kb/304297/) Requirements for Microsoft Windows 2000 operating systems C. Start the computer. If you still receive an error message, the "symptoms" section describes how to delete different memory modules. You may need to restart the computer multiple times to identify the failure, a specific memory. D. If you are sure that one or more memory modules are damaged, replace the damaged ram, and then test to determine whether the problem is resolved. If the problem persists, perform the remaining steps. If the problem persists or the damaged memory modules are identified, go to step 2.
2.	Key PointsIf your computer uses the NTFS file system, you cannot use the following procedure to expand the fastfat. SYS file. Instead, you must create a parallel installation for Windows 2000. For how to create a parallel installation for Windows 2000, click the following article number to view the corresponding information in the Microsoft Knowledge Base: 266465 (http://support.microsoft.com/kb/266465/EN-US/) HOWTO: run parallel installation Windows 2000 Start the computer by starting the disk with a driver that contains the CD-ROM drive. For example, you can use a boot disk to run Microsoft Windows 98 or microsoftwindowsmillenniumedition on a computer.
3.	At the command prompt, type cd c:/winnt/system32/drivers and press Enter.
4.	Type dir fastfat. sys and then press Enter. If the "file" information is not found, go to Step 6. If you have not received the message "file", go to the next step.
5.	Type: Ren fastfat. sys fastfat. Old, and then press Enter.
6.	TypeCD-ROM drive letter: Then press Enter.
7.	Type CD i386 and then press Enter.
8.	Type expand.exe fastfat. Sy _ c:/winnt/system32/Drivers/fastfat. sys and press Enter.
9.	Type C: Press enter.
10.	Restart the computer.