Acer Aspire laptop 6920G rebooting over & over

August 12, 2013 at 03:45:28
Specs: Vista
it works off battery but as soon as you plug in the power supply it reboots turns off, reboots turns off ...
I have tried a new power supply and does the same thing. So I have to charge it while it is off.

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August 12, 2013 at 04:39:42
Hi kippers69,

Try updating the system to the latest BIOS and check if the issue persists. Refer to the link mentioned below:

NOTE: Ensure that the system does not turn off during BIOS update process.

Also, you may refer to the thread mentioned below which may help you:

Thanks & Regards
Manshu S

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August 12, 2013 at 06:47:01
It seems like a mainboard problem.

You know the real meaning of peace only if you have been through the war.

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August 12, 2013 at 14:46:31
Are BOTH the power adapters you tried original equipment or something by a third party that is supposed to work? Some adapters use reverse polarity. Normally the concentric plug is negative on the outside and positive on the inside. I have red that some are the opposite.

If you bought a replacement based on the voltage and amps it may not be compatible.

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Related Solutions

August 13, 2013 at 01:33:40
I upgraded the BIOS and problem is still there
I looked at the link sounds like the same thing but I can only read page 1 not 2

I have checked the fan & inside that it wasn't getting too hot

And the first power Supply was original but not the second but the same problem with both

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August 13, 2013 at 05:05:13
Check the Voltage coming from the mains where you plug in.

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