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by james.goins

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My Son has a HP Pavillion ZE 2000. I believe that overheating has destroyed something. It will not power up. Completely dead. The power jack is fine. I took the laptop completely apart not knowing the issues of overheating. How can you tell what needs to be changed? What is normally the first to go when the fan stops and the laptop overheats? Would a bad CPU keep the laptop from powering up? I have no lights nothing.

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by tintoman

This is a bit of an open ended question, the reality is that if the laptop has overheated and shut down, that would be a feature of some system bios facilities to protect your processor from damage. However a blown processor would not prevent the lights and fan from working, this is going to be either the inbuilt power supply/voltage regulator which may have blown some of the capacitors on the motherboard, if you are really lucky the A/C adaptor has stopped functioning and the battery has gone flat, however I dont want to appear patronising but it doesn't sound like you really know what you are doing and I would recommend you take the laptop to a qualified repairer for diagnosis.

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