Hardware trouble, help needed

Joined
Jan 10, 2007
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In The Machine
Just once, can't I upgrade my system without everything going wrong? Apparently not. [C]

I bought an new CPU, a Core 2 Duo E8500, a new motherboard to match (an Asus*P5K, not the newest board but it supports this CPU and everything based on a newer chipset was hideously expensive) and a new graphics card, a Sapphire Radion HD3850.

I rebuild my system, everything's fine so far, then I boot it. I was curious to see whether Vista would still work despite the major change in plumbing, and it does. It discovers a boatload of new hardware, asks me to reboot, so far still no trouble.

Then it starts to hang regularly. It just freezes solid. Sometimes it even freezes during Vista's boot sequence. Thinking this may be power related (although with a 500 watt PSU I should have enough power, I think), I tried swapping back the old X1950 Pro. Now it doesn't hang, it BSOD's instead. The STOP code is 0x00000101 which according to Google means that one of the cores didn't respond to an interrupt in time. Could this mean the CPU is faulty? I sure hope not.

I am just reinstalled Vista in the hope that maybe it was a driver issue with the upgrade or something. One weird thing there is that the first few dialogs of the Vista installation (regional settings, product key) took extremely long before they displayed, a few minutes at least. But now it's reinstalled and it's immediately crashing again, no drivers installed yet.

It's a shame, because when the whole thing was working (briefly) I could really tell it was faster.

I'm going to try swapping out the CPU with the old one (which should also work on this mobo), if that doesn't work I can eliminate the CPU as a cause.

What do you all think? Could it be the PSU? The CPU? Something else?

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