This issue is caused when Microsoft Windows does not properly detect the chipset or videodisplay.
If you have to manually install a driver for the device — perhaps the driver is already installed on your system — you can use the Update Driver button in the device’s Properties window. If the device driver is already installed on your system, click the “Browse my computer for driver software” link and choose an installed driver.
- For a listing of video card drivers, see our video card drivers page. Other PCI device that Windows cannot identify. If you tried the above two steps and your Windows Device Manager still contains an Unknown PCI device, likely the device cannot be identified.
- Type device manager in the text box; Select Device Manager; Find Universal Serial Bus controllers and expand the list; Right-click Unknown Device; Select Properties from the context-sensitive menu; Select Drivers; Click Update Driver; Close Device Manager; Restart your PC; How will a Driver Update Tool fix my Drivers?
- Key performance in any ADC driver is achieved by quickly settling out the considerable sampling glitch energy delivered to the amplifier output (s) by the ADC input’s sampling circuit. Whether you need to drive a single or dual differential input ADC or send and receive signals over long cable lengths, Analog Devices has developed a broad portfolio of high speed differential amplifiers that provides the high performance needed to meet any requirement.
Corrupt or missing motherboard or chipset drivers
Download and install the latest chipset and video card drivers. If you or someone you know built your computer, it came with the motherboard CD. This CD contains the chipset drivers. Otherwise, you can find drivers for all the major chipsets on our motherboard drivers page.
Corrupt or missing video card drivers
If installing the latest chipset or motherboard drivers doesn't resolve your issue, make sure you have the latest drivers installed for your video card. For a listing of video card drivers, see our video card drivers page.
Elecom Input Devices Driver Touchpad
Other PCI device that Windows cannot identify
If you tried the above two steps and your Windows Device Manager still contains an Unknown PCI device, likely the device cannot be identified.
Elecom Input Devices Driver Updater
If you that the device not being identified is installed, we suggest you obtain the latest drivers for that device. A listing of drivers is on our drivers page.
If you have recently finished installing or reinstalling Windows onto the computer and are getting the unknown PCI device, we suggest you manually identify the PCI device through the registry.
Additional information
- See the PCI and drivers definition for further information and related links.