I added 4gb ram to my pc,when I turn on my pc,my screen says "Diagnosting your pc" I just wait for 20-30 minutes,after that it says "Automatic Repair".When I use my old ram(4gb) its all fine.
'Added' and in adding new with old, may be the sticks don't want to play , might try the DRAM voltage up + 0.06, if no joy let us know, mobo, CPU and model #s of the DRAM