CPU takes more than 30 min to start

Intel / P4
January 6, 2009 at 03:41:44
Specs: Windows XP, 512
Dear all,

My PC is connected to the power source via a UPS. For the last one month I am finding that it is taking a long time (more than 15 minutes) between the UPS switch on and the CPU switch on. I have tried to eliminate the UPS and make the power supply directly from the power socket in the wall. Even then I have to wait for a minimum 15 minutes before I can switch on the CPU.
If I try to switch the CPU before that time then the 'green power-on light' on the CPU keeps flickering and nothing else happens.
I opened the CPU cabinet today and tried to start the comp. I found that there is a fan on the motherboard which says Intel on it. The fan was trying to start but was always failing. It would start and then again come to a stop and this kept going on and on. Could this indicate that there is something wrong with the motherboard?
Can someone please guide me as to how to resolve this issue?

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January 6, 2009 at 05:45:13
The fan that you mentioned *may* be the CPU cooling fan. If not, it's probably the motherboard chipset cooling fan. Regardless, if it's there, it should work.

Shutdown the system & disconnect the power. Open the case & try spinning the fan with your finger...does it spin freely? If not, it's either dirt encrusted or the bearing is starting to go. Clean the fan as best you can & give it a good blast with compressed air (blow out all the heatsinks while you're at it). Work the fan blade back & forth with you finger to see if you can free it up. If you get it to spin freely, try firing up the system & see what happens. If the fan still binds up, it will most likely have to be replaced. You *may* be able to buy yourself some time if you oil the bearing. Just remove the fan & carefully peel back the label on the underside to expose the bearing. Add a drop or two of oil & work it in by spinning the blade back & forth with your fingers, then seal it up & reinstall.

BTW, the term "CPU" refers to a chip that fits in a socket on the motherboard...it should not be used to refer to the PC case & all the hardware inside. Your CPU is a P4.

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