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Pressure on the CPU's heat sink required to boot


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#1 UndeadGeek

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Posted 17 October 2010 - 06:03 PM

I have a Dell Dimension 4700, that won't even get to the POST unless I quite literally lean on the CPU's Heat sink. If I just power it on without leaning on the heat sink the CPU's fan immediately spins up really fast (more so than usual) and the power light on the front panel turns orange.

However if I lean on the heat sink everything is perfect...until I stop applying that pressure then it just freezes up wherever it is.

Before this started i had just replaced the old pentium 4 processor with a new one I have replaced the thermal grease and everything.

My computer's hardware is: an intel Pentium 4 Model #:520 at 2.8GHZ
An ATI radeon x300 video card
2.5 GB ram
400W PSU
Everything else is the standard Dell parts

I have tried re-seating the processor multiple times, I can't think of anything else to try.

So, any ideas on what may be causing this?

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#2 the_patriot11

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Posted 17 October 2010 - 07:45 PM

Sounds like the heatsink isn't making contact with the CPU die, which means the method that the heatsink is using to hold it down is broken or not attached right, either a broken or not properly seated clip (if its the clipping kind) or a stripped screw. I would check that to make sure that nothing is broke, perhaps order a new heatsink.

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