Aug 27, 2017 - Product: Compaq dc7800. Windows diagnostic/troubleshooter reports 'PCI Serial Port driver missing/not installed', but cannot find the driver. This page contains the list of device drivers for HP Dc7800. To download the proper driver, first choose your operating system, then find your device name and click the download button. Intel(R) ICH9 Family PCI Express Root Port 1 - 2940 Intel(R) ICH9 Family PCI Express Root Port 2 - 2942.

Similar help and support threads Thread Forum Hello guys, i just hav a problem with this HL 340 usb 2 serial converter drivers for windows 7 - 32 bit.can you send me a link. Drivers Ever since I installed Windows 7 (64-bit), the Device Manager shows under Other Devices / PCI Serial Port / Properties / 'The drivers for this device are not installed. I've update the drivers for my main-board (ALiveNF6G-GLAN) with the files from here and for my graphics card. Drivers Has anyone found a version of this driver to work on W7? Thanks!:huh: Drivers Hi, Can anyone please help me, I have just tried to install the prolific USB-Serial COM PORT Driver Windows 7 Home 64 bit to connect my Garmin summit. As hard as I have tried I cannot find a driver that works, I am using a PFRANC data cable that worked with my XP Pro PC with out any.

Please please please could someone help. We've just received our new Acer PC - has Win 7 Professional (32 bit) installed on it - we've upgraded to Prof as we need the XP bit to run our navigation software (MaxSea) which I've not even got as far as loading because I sinply cannot seem to. Drivers Our Sites Site Links About Us Find Us • • • • • • •.