What is pci.sys file ?

The genuine pci.sys file is a software component of Microsoft Windows by Microsoft.;Windows is an operating system developed by Microsoft. Peripheral Component Interconnect provides a common connection interface for attaching computer peripherals to a PC’s motherboard. Pci.sys is a file associated with the Peripheral Component Interconnect component of Windows and causes no harm to your PC.;Released over 32 years ago, Windows represents a range of operating system families such as Windows Embedded and Windows NT. Windows was conceived as a graphical operating system shell for MS-DOS, and was world’s personal computer (PC) market with over 90% market share. Peripheral Component Interconnect is an essential component of the Windows operating system, and is a local computer bus designed to allow users to attach hardware devices in a computer.;Headquarted in Redmond, Washington, the Windows Corporation is known for several innovative products such as the Windows series of operating systems and Xbox consoles. The company develops, sells and supports personal computers, computer hardware and computer software, and has some big ticket acquisitions since its inception including a 11.5% stake in Comcast for $1 billion, Hotmail.com for $500 million and Navision for $1.33 billion.;PCI stands for P eripheral C omponet I nterconnect;Pci.sys is a Windows driver. A driver is a small software program that allows your computer to communicate with hardware or connected devices. This means that a driver has direct access to the internals of the operating system, hardware etc.;The free file information forum can help you determine if pci.sys is a Windows system file or if it belongs to an application that you can trust.

Follow steps bellow to try fix the problem with pci.sys

1. Use cleanmgr

To run the command cleanmgr :
Press Windows key + Q.
Enter cmd in search box , followed by the combination Ctrl + Shift + Enter to run it as Administrator.
Enter the command cleanmgr and press Enter.

2. Use sfc /scannow

To run the command sfc /scannow :
Press Windows key + Q.
Enter cmd in search box, followed by the combination Ctrl + Shift + Enter to run it as Administrator.
Enter the command sfc /scannow and press Enter.

3. uninstalling programs :

To uninstall unnecessary programs :
Open the Start menu (Press Windows key + X) .
Click the first menu item Programs and Features.
Search unnecessary programs in the list of installed programs, .
Click the software you want to uninstall.

4. using msconfig

To run the command msconfig :
Press Windows key + Q.
Enter cmd in search box, followed by the combination Ctrl + Shift + Enter to run it as Administrator.
Enter the command msconfig and press Enter.

5. Automatic Update

To run the command wuauclt /ShowWindowsUpdate:
Press Windows key + Q.
Enter cmd in search box, followed by the combination Ctrl + Shift + Enter to run it as Administrator.
Enter the command wuauclt /ShowWindowsUpdate and press Enter.

6. Use resmon command

To run the command resmon :
Press Windows key + Q.
Enter cmd in search box, followed by the combination Ctrl + Shift + Enter to run it as Administrator.
Enter the command resmon and press Enter.

7. use DISM.exe

To run the command DISM.exe /Online /Cleanup-image /Restorehealth :
Press Windows key + Q.
Enter cmd in search box, followed by the combination Ctrl + Shift + Enter to run it as Administrator.
Enter the command DISM.exe /Online /Cleanup-image /Restorehealth and press Enter.

pci.sys descriptions

Windows is an operating system developed by Microsoft. Peripheral Component Interconnect provides a common connection interface for attaching computer peripherals to a PC’s motherboard. Pci.sys is a file associated with the Peripheral Component Interconnect component of Windows and causes no harm to your PC.;Released over 32 years ago, Windows represents a range of operating system families such as Windows Embedded and Windows NT. Windows was conceived as a graphical operating system shell for MS-DOS, and was world’s personal computer (PC) market with over 90% market share. Peripheral Component Interconnect is an essential component of the Windows operating system, and is a local computer bus designed to allow users to attach hardware devices in a computer.;Headquarted in Redmond, Washington, the Windows Corporation is known for several innovative products such as the Windows series of operating systems and Xbox consoles. The company develops, sells and supports personal computers, computer hardware and computer software, and has some big ticket acquisitions since its inception including a 11.5% stake in Comcast for $1 billion, Hotmail.com for $500 million and Navision for $1.33 billion.;PCI stands for P eripheral C omponet I nterconnect;Pci.sys is a Windows driver. A driver is a small software program that allows your computer to communicate with hardware or connected devices. This means that a driver has direct access to the internals of the operating system, hardware etc.;The free file information forum can help you determine if pci.sys is a Windows system file or if it belongs to an application that you can trust.