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Repair guides for the variations of the Compaq Presario CQ62 laptop. This brand was manufactured from 1993 to 2013, and was owned by HP from 2002 to 2013.

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Computer shuts off after starting

The computer ran and then shut off and will not stay up and running. Now it starts and shuts right off

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Do you get any beep codes? When does it shut off (BIOS screen, OS loading). What do you see on the screen?

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If in the first place the computer ran for some time and then suddenly shut off, and afterwards turns on and then off again; one problem could be overheating.

The fan and heat sink could be clogged up with dust which will need to be cleaned out. Also, the thermal paste may need replacing.

However, it could be a range of other things which oldturkey03 is trying to diagnose. For example, it could be an issue with RAM.

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