i have an a8m2n-la motherboard. i just took out the athlon 64 and put in an athlon 64 x2 4050e. Hp says it is supported, however once i boot my machinei cannot see anything on my monitor and my ps/2 or usb mouse/keyboard aren't working. this is frustrating because my computer was working fine an hour ago. i am at a loss for how o fix this situation.
Put your old processor back in (if you haven't already). Make sure you have the version of BIOS (or a later version) required for your new CPU's support. You should be fine with the lastest BIOS update. Load the updated BIOS, try again.
my best guess here
alright i have installed the latest bios update, i reinserted the athlon 64 x2 and it will start then give me one short beep then a long one...i updated my bios directly from hp.com to the latest version, and my mobo works perfectly with the athlon 64 single core in it.