Hi,I have old Dell optiplex 755 and I want to upgrade cpu to q9450 but Im not sure about compatibility. After little research I found that its compatible with q8400 but nothing about q9450.
Hi,I have old Dell optiplex 745 with broken cpu and I want replace it for core2 quad q9450 but after turn on it dont give output just black screen and maxed out fan.I let it run about 1 hour in case bios trying to identify new cpu but nothing. If chipset didnt support this cpu it should show...