This was stated on rage3d.com .. i just took it a bit
further and gave full control to everything under "pci"
"This issue seems to occur when Windows XP detects
certain hardware changes and prevents further changes by
blocking registry access.
The following instructions should allow you to configure
the graphic card.
- Click Start and select the Run command
- Type regedit in the open field and click Ok
- Highlight My Computer, select File and click Export..
- Export the file to a common location like your Desktop
NOTE: if you should make a mistake editting the registry
then boot to Safe Mode and double the the *.reg file
- Click the (+) next to "HKEY_LOCAL_MACHINE"
- Click the (+) icon next to "SYSTEM"
- Click the (+) icon next to "CurrentControlSet"
- Click the (+) icon next to "Enum"
- Click the (+) icon next to "PCI"
- Under the "PCI" folder there will be several keys
similar to this:
VEN_1002&DEV_514C&SUBSYS_013A1002&REV_00
NOTE: VEN_1002 represents the ATI vendor code
Each of these keys represent a hardware device installed
in your system. You will need to locate the key that
belongs to the VGA Controller.
- Click on the (+) icon next to the first key and then a
subkey will appear below it like this:
3&27043229&0&0008
- Highlight the subkey and on the right side you will see
information appear
- locate the setting name "DEVICEDESC" and verify the Data
- You need to locate the folder with the "DEVICEDESC"
listed as "Video Controller (VGA Compatible)"
- Once you have located the correct "DEVICEDESC", right
click on it, and select "Permissions".
- Place a tick in the box under the word "Allow", next
to "Full Control".
- Click on "OK"
- Close the Registry Editor.
NOw you are ready to install the ATI driver.
- click Start, Settings, then click Control Panel
- Double-click System, select the Hardware tab, the press
Device Manager button
- Click the (+) icon beside Display Adapeters or Other
Devices, right click on "Video Controller (VGA
Compatible)" and select Update Driver
- Select Install from a list or specific location
(Advanced), click Next
- Select Don't search. I will choose the driver to
install, click Next
- Click the Have Disk button, select the Browse option
- Browse to the location of the INF file
x:\Install\R69X\ATIDRIVE - installing from CD
c:\ATI\Support\*\ATIDRIVE - installing downloaded ATI
driver
* represents the version of the driver you downloaded
- Select the INF folder located in ATIDRIVE, click Open
then click Ok
- select your Device and proceed with the installation"