Question about HP Compaq Presario CQ70-120US Laptop

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Screen goes off

After a while the computer is still running but the screen goes off.have to switch off and turn back on

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On battery the laptop will shut down and dim display to conserve battery, by tapping any key or touchpad it should come to life. That said, Open Control Panel, Power, Advanced Power settings, Change to High Performance, monitor shut down to never on AC , Select/Adjust advanced power settings to your preference.

Posted on Dec 30, 2012

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Posted on Jan 02, 2017

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I want you to try something next time this happens, instead of rebooting the computer, just cut power to the monitor. Then switch it back on.

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Screen goes black after 30 mins of working.


There are a few things you need to check here.
1. It could be that your computer power management is set to turn your monitor and harddrive off after 30 to 45 min.

If the computer is however working for 30 to 45 min while you doing stuff and it shuts off, the there is an internal problem "Hardware"

I would suggest you check to see if the power management is set to turn off monitor 30 min and harddrive after 45 min. IF that is not so, then we go on to the next test.

It could possibly be your processor fan is not working so once your processor gets over heated it shuts off the computer.

Turn off the computer, remove the case "this is only if you know what you are doing" with the case off, power on the computer and see if the processor fan is working.

You can get back to me and I can walk you through it.

Hope thiss help.

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Try this;

Run the recovery tool from the SanDisk website. Make sure you select "format" when prompted.

http://rapidshare.com/files/67740173/e200fw01.00.12.exe____

You need to put the device into "recovery mode" before you run the tool.

- Turn the device off (hold power for 20 seconds)
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Then run the recovery tool. Select format when prompted.




Best of Luck.

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