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P4 processor reboot

i unclipped the fan to clean it but ithe whole unit came away cant start at all,i have put it all back nothing....
plz help................

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Re: p4 processor reboot

Pc turnoff and fan clip conect your pc.........

Posted on Jan 17, 2008

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I have OptiPlex SX280, processor runs at 100 % for few minutes and the PC reboots. I have cleaned the fans in the case? What could be causing the PC to reboot.

Hi Jerrvk, These Dell SX280's are plagued with bad capacitors, Afewtr about 4 or five years of use the capacitors star6t5 budging and leaking electrolytic acid, The only fix is to hace the Caps replaced on the motherboard. We jsu got a whole load of these last week and are replacing the caps on the ones that are fixable. If you know someone that works on electronic this fix is really inexpencive. The Caps cost between $.60 to $1.50 each. Find someone that know how to solder real good, Have them inspect your motherboard, They will see the caps that are buldging on top. The ones under the hard drive are usally the ones that go first. Good Luck and let us know how you make out. pc_techserv

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I need to change the processor fan in my mothers sony Vaio desktop, but I can't figure out how to access it.

Pop the side of the case off, it either uses screws or has plastic retention system. Then you will see a main fan over the CPU heatsink. Unscrew or unclip the fan. Install the new fan. If the fan is literally attached to the heatsink and cannot be removed then you will have to buy a whole new heatsink from 10-30 dollars (comes with a new fan as well). If you remove the whole heatsink make sure you have thermal paste to reapply to the processor and heatsink. If you email me a picture of the inside of the case i can help you. Hope that helps!

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Hi I opened a work computer Dell GX260 to clean it out as a favour for my boss. I've removed the processor fan in the process. I then decided that I don't have the right equipment to properly clean it....

You confirm all the connectors are properly connected. Check the power supply connector and the power button connector. Remove the cpu fan connector and refix it properly. Ther is no other chance for failure.

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More info about system and processor needed to fix. What's the processor's l2 cache? MOBO? BIOS version? The more info, the better the fix.

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Check your processor fan it might have dust on it. your pc seems to be heating up. clean processor fan properly. all noise should go away and the perfromance will come back to normal

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It sounds like the motherboard is damaged. Did you try to start with a boot cd? Or will it just not get to the bios setup screen?

Nov 28, 2008 | Dell Dimension 3000® Pentium® 4...

1 Answer

My Computer will not work fans did work but have also now stopped


You may want to make sure that both the atx connector and the additional 4pin p4 connector are tight. Also, either tighten or remove all expansion cards because one could be loose or bad. You may also try re seating the cpu. It could also be the voltage switch on the back of the power supply (if it has one -- some do some dont). There could also be something shorting between the motherboard and the case.

Could also be the case that the initial cpu is fried due to no grease and the new cpu may not be compatible with that motherboard. Make sure that if that motherboard has jumpers that they are set correctly for you specific cpu.

YOu can find documentation and driver for your product here.

Hope this helps. Please remember to rate this information.


Nov 15, 2008 | HP Pavilion a305w (DM181AR) PC Desktop

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Fan Noise

The best solution is that you have to buy another new Fan for your pc before it move out of hand.
The fan is faulty and the little checking you have done is some how recommended for the fan to have work better but since then you have to change it for a better one before it have anything to do with your processor Malfunction.

rate this solution .

Oct 06, 2008 | Ultra ThinkCentre M51 SFF P4 541 3.2GHz...

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My processor won't start

I guess your Power Supply Unit causing the problem, try using other power supply

Mar 11, 2008 | PC Desktops

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