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Note many video drivers
are not digitally signed. The
following steps may cause
problems with your video
resolution. These problems may
prevent you from starting the
computer....
When you determine which drivers
are unsigned, create a folder to
move the unsigned drivers to.
Typically, SysDriversBak
is an easy folder name to
remember.
Move the unsigned drivers,
restart the computer (without
the unsigned drivers in the
Windows\System32\Drivers
folder), and then test the
program or other functionality
to see whether the same error
messages or issues still occur.
Note Because most driver
files are associated with
registry entries that have not
yet been changed, you may
receive the following error
message:
At least one driver or service failed to start...
If the issue no longer occurs, the issue was caused by a third-party unsigned filter or function driver.
A function
driver is a driver that is used
to load a specific device that
uses one of the computer buses.
A filter driver loads at a level
above or below a function driver
to add or modify the behavior of
the function driver.
To determine which unsigned
driver is causing the problem,
use one of the following
methods:
| • | Put drivers that are related to the same program or device back into the Windows\System32\Drivers folder together in the same test. |
| • | Put the top half of the drivers back into the Windows\System32\Drivers folder in the same test. |
The first
technique is generally better at
determining the cause of an
issue, but you may not be able
to determine which drivers are
related. After you determine
which driver is causing the
issue, you can either remove the
driver or program, disable the
driver, or turn off service.
If you need to turn off a
service, follow these steps:
| 1. | Click Start, and then click Run. |
| 2. | Type %systemroot%\system32\services.msc /s, and then click OK. |
| 3. | Double-click the service, click Disabled in the Startup Type list, and then click OK. |
| 4. | Restart your computer. |
If you need to disable a driver, follow these steps:
| 1. | Click Start, and then click Run. |
| 2. | Type %systemroot%\system32\compmgmt.msc /s, and then click OK. |
| 3. | Click Device Manager. |
| 4. | Double-click the device, click Do not use this device (disable) in the Device Usage list, and then click OK. |
| 5. | Search for an updated driver for the device from the vendor. |
The process of discovering a "faulty" driver can take a while!
Once you have isolated the driver search for drivers or other program updates, or replace the software or driver with a program or driver that is written specifically for Windows XP.
For information about how to contact the manufacturer of your program, click the appropriate article number in the following list to view the article in the Microsoft Knowledge Base:
65416
(http://support.microsoft.com/kb/65416/)
Hardware and Software
Third-Party Vendor Contact
List, A-K
60781
(http://support.microsoft.com/kb/60781/)
Hardware and Software
Third-Party Vendor Contact
List, L-P
60782
(http://support.microsoft.com/kb/60782/)
Hardware and Software
Third-Party Vendor Contact
List, Q-Z
