Question about Computers & Internet
I have had the same problem with my r4650, you need to take your battery off and unplug the mains, undo the small latch on the back of the case (the one above the fan), you will see your fan, undo the three spring loaded screws that hold the metal heat sink, carefully pull the red/black wired plug from the connector, now remove the fan and heat sink assembly, on the bottom of the heat sink there should be either some silver foil or dry paste, clean this off to leave just the bare metal, now apply some new thermal paste (just enough to fill the crater). carefully align the three screw holes on the heatsink to screw holes on the board, screw the spring loaded screws backup a little at a time making sure it goes on evenly, plug your wire back in to the connector, and put your latch back on, hey presto working laptop, and its alot quieter than normal,
Posted on May 31, 2010
You may have a short in the power connector on the mainboard. Try wiggling where the power cord plugs into the notebook and see if it cuts out.
A glitchy power supply could do it, especially if it's putting out too much power, or does it when it warms up a while. When the notebook cuts out, leave the power supply plugged in and test it with a voltmeter, it should match the rating on the power brick. A reputable electronics shop or computer shop could test it also. Get a recommendation; stay away from any chain stores.
Posted on Apr 27, 2008
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Posted on Jan 02, 2017
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