Articles & News
Graphics & Displays
Tom's IT Pro
Login | Sign Up
The authority on tech
PC wont boot after CPU upgrade
Nov 21, 2009, 11:23 AM
Just replaced my Celeron CPU with a Pentium D 945(3.4GHz,4MB)fsb 800 from an older PC. The pentium is working fine in the older machine.
When the upgraded machine boots it gets past the BIOS screen and then switches off,
I put the Celeron back into the MOBO, flashed the BIOS with the most recent version and when i put the pentium back in the problem still remains.
I`m using a Gigabyte GA-945GCMX-S2 Mother board with 2 gigs of 667 ram and I followed all the MOBO instructions for installing a new CPU from the Manual.
Can anybody help as i`m obviously doing something wrong,
Nov 21, 2009
wont boot upgrade
Nov 21, 2009, 4:32 PM
Are you sure that it doesn't overheat?
Nov 21, 2009, 4:37 PM
Overheating because of improper HSF installation is one possibility. Inadequate power is another.
And it is possible that the CPU died in the transplant process. Does the CPU still work in the old computer?
Can't find your answer ? Ask !
Get the answer
Nov 21, 2009, 4:39 PM
Heat is a real possibility - but so also is your PSU - Pentium D's use a lot of power, maybe the PUS isnt up to the task
post your full specs and someone will be able to point you in the right direction
Ask a new question
Pc starts up but no post after cpu upgrade
After cpu upgrade bios wont boot
Upgrade or not
Can I upgrade my Celeron D 351(3 2GHz 256KB)?
Dell optiplex gx280 cpu replacement pentium 4 540 -> celeron 420
Upgrade celeron m to pentium 4 m cpu acer travelmate 2410 laptop
Pentium 2 versus Celeron
PENTIUM 4 Upgrade
Pentium D the best my mobo will support!
Replacing Celeron 2.6 with Pentium 4 3.0D
Pentium 4 2.8GHZ showing 1.87GHZ.
Celeron Vs. Pentium III
ASRock 775VM800 does not boot with Pentium 4 630 installed
Pentium 4 HT = Pentium 4?
Pentium Pro upgrade
How to upgrade a pentium d
Pentium 4 541 VS. Pentium D 820
Upgrade from Celeron M to Pentium M
Subscribe to our newsletter
icon arrow stem circle
About Tom's Hardware
Licensing and Reprints
Other Shopsavvy sites
© 2017 Purch All Rights Reserved.