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The laptop started shutdown periodically


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#1 locotech

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Posted 23 November 2013 - 09:18 PM

Can someone help? I have a HP G72 17.3 w/Intel mobile i3 370m processor Windows 7 Home Premium. The laptop started shutdown periodically. So, I unassembled to clean dust out and replace thermal compound. When I reassembled it would not start. The light on power button just blinked. So, I unassembled again to make sure I did not forget to plug something in etc. When I reassembled same thing happened. It did not start. I pressed down on laptop and it started. It worked for a little while, but when I tapped laptop it shutdown abruptly. Now, the laptop starts right away. Sometimes it doesn't. It sound like when a car has no juice and trying to turnover. The fan rotates and stops within a few seconds it tries to turn on again. The laptop is really being weird. Sometimes if I shake, it start too,.


Edited by hamluis, 26 November 2013 - 11:02 AM.
Moved from Win 7 to Internal Hardware - Hamluis.


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#2 jhayz

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Posted 24 November 2013 - 02:25 AM

While waiting for further suggestions, have you tried looking into the PDF maintenance service manual and to the online Beep and LED lights diagnostic already?

HP G72 Manual

Troubleshooting LEDs Blink and Beep codes


Edited by jhayz, 24 November 2013 - 02:25 AM.

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