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Is my CPU dead?

L

Lonyo

Lifer
The monitor is fine (works on 2 other PC's).
Motherboard is fine (totally new, problem was exactly the same with old mobo).
HDD's are fine, one is new, other had exactly the same problem.
Graphics card is fine, 2 tested, same problem.
RAM I believe works (haven't tested yet).


The only 3 things that have remained the same are:
PSU, RAM and CPU.

The mobo LED comes on, fans spin up, HDD/DVD/CD lights all come on, so PSU seems OK.
When power is pressed, the lights all flash, fans whirr, but nothing goes to monitor (the monitor stays powered off, like the graphics card is not connected - 2 mobos and 2 graphics cards have had problem, it's not a GFX problem).
Nothing else happens.
I think either RAM or CPU is dead.
No speaker beeps from mobo (speaker is plugged in, 2 different mobo's and cases had same problem).

What are common syptoms of CPU or RAM being dead?
What happens and what doesn't happen when you try and boot up if one or the other is dead?

I will try RAM in a different PC, and try different RAM in that PC to see if that is the issue, and I have a spare CPU I can try if necessary, if that does seem to be the problem.

Thanks for any help!
 
Did you try a full CMOS reset? Unplug, remove battery, move jumper, then reverse the process.
 
Similar issue happened with my msi k7n2 delta ilsr, after loading the bios defaults, it just quit working. Processor was fine, but I have to send MB back...
 
Couple be either the CPU or the motherboard ( i know it's new but sometimes you get bad ones). My friend had the same problem and it turned out that BOTH his cpu and motherboard were dead, they were both new also. You could try testing the ram in another computer to see if it works.
 
I have used an existing motherboard (both CPU and mobo worked when pulled out of old machine) and a new motherboard.
Both motherboards showed the same problem, and I have reset CMOS on both.

Didn't even see a BIOS screen on either, screen does not initialise at all, and the monitor and gfx cards work.
 
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