For more information about returning parts to HP select one of the links below:. You can use a win 7 driver in compatibility mode To install in compatibility mode do the following: Defective parts return procedure for US. Before you begin Turn off the computer, and then disconnect all cables. Windows 7 Forums is an independent web site and has not been authorized, sponsored, or otherwise approved by Microsoft Corporation.

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HP Compaq dc Small Form Factor PC – Removing and Replacing the PCI card | HP® Customer Support

PCI card replacement Step 1. Step 5 Connect any cables to the PCI card. Step 4 Lift straight up on the PCI card to remove it from the slot. Download and install “sp Step 1 With all cables disconnected from the computer, remove the access panel. Sorry that last word didn’t get in the subject line. It wasn’t there on my old drive so something isn’t right here. Be careful not to slide skin along any interior metal edge of the computer. You need this driver for the serial port.


Does anyone know what the correct drivers are? Europe, Middle East, Africa.

HP Compaq dc7700 Desktop PC Series – Unknown PCI Serial Port in Windows Device Manager

HP support then told me that this was actually a missing driver for the chipset. You can follow the question or vote as helpful, but you cannot reply to this thread.

Unknown device in device manager code: This product contains components that can be damaged by electrostatic discharge ESD. Javascript is disabled in this browser.

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You need the Chipset Driver. Step 5 If you are not replacing the PCI card with another card, cover the open slot in the PCI card cage with a metal slot cover to facilitate proper airflow and cooling of the system. I had Windows 7 Home Premium 64 bit installed on here, but decided to reformat my hard drive using Windows 7 Ultimate 64 bit.

Find More Posts by maxie. Part numbers are subject to change. Message 4 of 4.

If your unit contains a part that is labelled with the Original Spare number, please order the Original Spare as the replacement part. This topic has been locked due to inactivity for a long period of time.


Click here for instructions on how to replace the access panel. Disconnect the Ethernet or modem cable before disconnecting the power cord.

Two unknown drivers are in Device Manager. Glad you were able to get the wireless to work too. All times are GMT I tired it but its useless for my machine. Windows 7 Forums is an independent web site and has not been authorized, sponsored, or otherwise approved by Microsoft Corporation.

Message 2 of 4. Similar help and support porh Thread Forum Unknown device in device manager after Bios default settings are applied.

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