Having problems with your HP Compaq Presario C700T ?

My HP presario note book has started to switch off

\015 My HP presario C700 note book has started to switch off suddenly in the past 3 days. It only lasts max 1 hour. I think its cause its overheating, i touched the underside of the laptop and it was absolutely scorching. what do i do. I ve also noticed recently that when i plug in my charger, the light at the front of the computer ( small bolt of lightining pic) that lets me know the charger is on, only flashes a moment and then switches off. please could you give me a solution. ( Please can you tell me as simply as possible - im computer illeterate)\015

Answers :

Computer shutting off after a few seconds to a few minutes
\015\012
\015\012This sounds like an auto shut-off signal given by the processor because of a possible over-heating issue. This usually happens when the laptop has been run for an extended time without having the dust, dirt and debris cleaned from its cooling vents and grills. After time, the thermal paste on the processor bakes under the extreme heat and starts to flake off and lose its efficiency at cooling the processor.
\015\012Get a few cans of compressed air that you would buy at an office supply store and using short bursts, blow out the dust and dirt from all the ventilation grills and vents first, make sure the laptop is powered down and battery removed. Then, open all the compartments and clean them out as well including the cd/dvd tray. There is a small black hole on the dvd bezel, just stick an open paperclip in it and it will pop the tray open. Blow a good blast in there to clean the dvd player.
\015\012There is the possibility that the thermal paste will have to be replaced, that means you need to gain access to the heatsink and remove from the processor, clean all the old thermal paste from it and apply a small thin layer of new paste to the top of the processor and replace the heatsink, securing it evenly with the attached screws. If you uncomfortable with this step, I would look into one of the local shops to perfrom this procedure for you, because it is critical for the laptop's survival over the long run.
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