Do I need my CPU replaced?

Intel Core 2 duo e7500 dual core process...
November 19, 2009 at 17:01:44
Specs: Windows XP
I'm not very good with computers, but I had to fix this pc because when it was turned on, the monitor would not show anything. Everything was plugged in, I tried different types of connections, different monitors, still nothing. I swapped video cards (exact same model, it was definitely working because i got it from my other working pc) and still no luck. I have decided that it must be the motherboard or cpu, so I tried taking the cpu and running it in the working pc, and it loaded normally but lagged a bit, and then turned off suddenly after i tried click on the taskbar, and then kept turning off suddenly in future attempts. So I conclude that there is where the problem lies. i need to know whether it could be the motherboard as well since the monitor did not show anything when the computer was turned on. The motherboard is a gigabyte ga-p35-ds3. Also, since i'm buying a new cpu, is there a page where i can find compatible processors for this model of motherboard?

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November 19, 2009 at 17:24:48
It is very possible that it is your motherboard. Unfortunately, just saying "not showing anything" isn't very helpful. Was the system booting? Did you hear it POST (beep)? Then did the HD access for a while like it was loading Windows? Or when you turned it on did it just sit there and act dumb?

I would suggest looking at on their motherboard/cpu combos. You'll want to make sure they are compatible with your current memory, but if your system is really old, this may be an issue.

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November 19, 2009 at 17:25:25
CPUs either work or they don't. The fact that you were able to boot & get into windows means the CPU is OK. And the fact that it kept suddenly shutting down most likely means you installed the heatsink improperly.

If you insist on buying a new CPU (which IMO is a complete waste of money) & you need to know which CPUs are compatible with your board, go to the Gigabyte website, find your board, then find the CPU support list.

And so it's not a total loss, I'll give you $5 for your "bad"

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November 19, 2009 at 17:37:39
when i turned it on, the monitor was blank as if it didn't recognise that the pc was running. the led's lit up, the system sounded like it was booting, but lots of different things were happenning at different times when i tried it.
e.g. once the fan was working fine another time it was working sporadically, fluctuating between fast speed and off. Sometimes, there were three successive beeps that occurred at 5-10 second intervals. Another time it just started beeping non-stop until i turned it off.

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November 19, 2009 at 17:56:11
"Sometimes, there were three successive beeps that occurred at 5-10 second intervals. Another time it just started beeping non-stop until i turned it off"

The beeping confirms that the CPU is good, so is the motherboard. You most likely have a problem with your video card or your RAM. Your board uses an AWARD's the beep code list:

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November 19, 2009 at 18:39:25
well, like i said, i tried switching video cards (same model, working order) and it didn't work. Could it be that the connection between the video card and motherboard is damaged?
Now if i turn it on, i receive long beeps looped over and over. which means it's the ram, so i tried taking them out and putting back in, making sure they were secure, but received same problem.

i'll turn this pc off and try taking ram from this and see if that solves it...

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