

If this file is missing you can try to restore it from your Windows XP installation media.

Make sure that the pci.sys file exists in the %WinDir%\system32\DRIVERS folder. Save the RestorePCIBusDriverWindowsXP.bat file to any folder on your hard drive. Select your Windows XP edition and Service Pack, and then click on the Download button below.Ģ. 1) On your keyboard, press the Windows logo key and R at the same time, type devmgmt.msc and press Enter. Restore Default Startup Type of PCI Bus Driver Automated Restoreġ. Update PCI device driver via Device Manager The yellow exclamation mark next to certain device problem can usually be fixed with an appropriate and matched device driver. Do NOT change this service startup configuration if your computer is working. Unfortunately it is highly likely they would not be available for Windows 7.

If so you would need to identify what the card is and find the appropriate drivers. If you disable this service, Windows XP will fail to start. Some port expansion cards had both Serial and parallel ports so this might be the missing driver. If the LastKnownGood configuration fails, Windows XP startup also fails, and the boot process halts with a Stop error. If the PCI Bus Driver fails to load or initialize, the error is logged and the computer attempts to restart with the LastKnownGood configuration. Click on the Release Notes link for more information. I am looking for some help and it would be really appreciated This thread is locked. Select a link below to download a Driver Pack for Microsoft Operating Systems (32-bit). I tried to update driver from the internet but it states Windows couldn't find the driver software for your device. The PCI Bus Driver service is a kernel driver. My PC couldn't find PCI Serial port driver. This service also exists in Windows 10, 7, 8 and Vista. If your driver isn't working, use the driver having the same OEM with the your laptop/desktop brand name.NT Plug and Play PCI Enumerator by Microsoft Corporation. If you are looking for an update, pickup the latest one. With the different devices, they can have the same driver, it's because they all use the same chip manufacturer. Below is a list of drivers that may be suitable for your device.
