Question about HP Pavilion Elite M9150F Desktop PC

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I turned off my computer earlier today, and now when i press the power button, it will not turn on and boot up. the green light is on on the back of the power supply.

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Is the switch on the power pack on the correct setting
try holding in the power on button for a few secs it may be a broken switch.
the only other way is t remove then side panel look for the wires from the front of the computer trace the to the mother board remove the from the mother board see the pins where it was connected run a screw driver along the pins it should fire up.do this at your own risk i will take no responsibility for any shock.

Posted on Oct 07, 2010

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Posted on Jan 02, 2017

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Earlier today I was using my Acer Aspire with no problems. Now when I try to boot it up, the green power light comes on, the fan starts whirring but thats it. The screen stays black and it can sit there...


Thank you for choosing FixYa!

This can still be fixed by doing power drain.
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You may need to replace the cmos battery, its a cr2032 3v button cell
Make sure all your expansion cards and memory are reseated.
Make sure all cables are reseated.
your power supply could be bad

If that doesn't work try this


Here is my fix for the dell dimension 4400 amber light problem. It works!
replace cmos battery.
then unplug power cord form wall about 5-10 secs.
then plug it back in, wait 5 secs.
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(with light out, press and hold power button while amber light comes on and goes off again holding power button 2-3 secs after light goes out.) repeat whats in parenthesis until computer turns on
it should only take about 6, 7 tries.

After the computer boots, you may want to setup cmos or boot into windows.
After you shutdown, unplug power cord for 5-10 secs then plug it back in.
Press and hold the power button, computer should come on.
I found that's the only way to turn on the computer.
If you shutdown and don't unplug power cord the computer may not boot, mine didn't.
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