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Screen comes up then goes black

My computer comes up and ask for my password. When I put it in and hit enter the screen goes black and nothing happens. What can I check?

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I have a HP TouchSmart 300 Desktop PC that goes off continuously after working for an hour or two. Once the heat sink is hot, it goes off permanently no matter the attempt to bring it up for work, not until it is allowed to rest and cool for about 2-3 hours again.

This is disgusting, what will I work on?

Thank.

Engr. David Oke

Davok Consult Limited,

Abuja, Nigeria

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Hi @davok ,

Can you hear the fans running or feel the air coming out of the vents in the computer at all?

Are the fan vents clear and unobstructed?

Here is a link to a video on how to clean the fans in a TouchSmart 300.

https://www.youtube.com/watch?v=jbctt8cr...

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me too have this same problem.

even I replaced PSU and heat sink paste but no use. i have same problem still. pls help us

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