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Replace the FAN. You cannot FIX these. REASON> The fan motor generally turns on a ball bearing or oil impregnated sleeve. These tend to dry or wear down from use or age.
They are low cost devices and replacement is the only way to go.
When the CPU overheats then it will shutdown (i.e. thermal overload) and won't boot up again until it has cooled down.If this is the problem is not fixed then the CPU will eventually fail. A faulty fan causes this problem or the fan and heat sink assembly are cloggedwith dust. Check the CPU fan to see if it spins freely, if not replace the fan.
If the fan and heat sink is clogged withdust the remove the dust and make sure the vents are clear and dust free. Use acan of compressed air to do this.
"Turn off computer and unplug power cord. <br>Disconnect all
external devices. <br>Remove the battery. <br>Press power button
and hold for 10 to 15 seconds. <br>Plug power cord back into computer and
press power button. <br>Check front panel LEDs (lights) on bezel (front
face) or optical drives and listen for power supply fan. <br>If LEDs are
on or power supply fan starts spinning, watch for boot screen on monitor.
<br>If computer begins to start, turn it off. <br>Reconnect any
external devices. <br>Press the power button and make sure the computer
starts. Please save this steps and go through that. If in case you require
further help, you need to contact Answers by Gateway department which is a paid
support. The phone number for Answers by Gateway is 1.800-237-6483. Or please
consider contact with a local technician for a detailed troubleshooting."
worked for mee!! good luck
the cpu cooling fins may be clogged up try a can of air small short burst to all open vents including the fans (make sure the laptop is off) if this doesnot return it to normal the laptop may be experiancing a hardware issue