How to Fix PCI.sys on an ATI 3870 in Windows XP
- 1). Start your computer while holding down the "F8" key.
- 2). Select the "Safe Mode" option so you can boot into your computer.
- 3). Click the "Start" button and then click "All Programs."
- 4). Click the "Accessories" button and then right-click the "Command Prompt" icon.
- 5). Select the "Run as administrator" tab from the menu and enter your administrator password if you are prompted.
- 6). Type "sfc /scannow" into the Command Prompt and press the "Enter" key.
- 7). Wait for the file checker to replace your PCI.sys file with the correct version.
- 8). Restart your system.
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