Upgrading my HP dc7900..

computer_nugget2

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the oem board says it accepts the q9650. the q9650 realeased in late 08, and the q8400 released in mid 09. so it might not accept it if you have the initial BIOS. the chipset for that board is the q45 chipset, the intel website says that the chipset is compatible with the q8400.

if you havent already upgrade your computers BIOS to the latest one, and upgrade the intel chipset drivers to the latest one too. and see if it works. I can't guarantee if it works, but it should though.