ACER Aspire 5103 wlmi black screen when I power it on

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Hello,
My ACER Aspire 5103wlmi stopped working...
When I press the power button the screen stays black, but laptop seems that is working...
I can hear the cpu fan, but no bios indication (no Post)...
I also tested it with an external monitor, in case the screen malfunctioned, but nothing...

Anyone can help? Please.

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I said to my initial post....

...I also tested it with an external monitor, in case the screen malfunctioned, but nothing...
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Hello

Try this:

Turn off the machine.
Remove the battery and cable
Press and hold the power button for 58 seconds
Replug and boot.

Let me know
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I have tried that!
I kept the power button for 1 minute, but nothing...
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Try plugging to an external monitor to check if it's a graphic card failure.
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I tried that, as I said on my initial post...
Could it be the BIOS battery???
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No, I don't think it's a battery problem. You have not mentioned the result on the external monitor.
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Please be nice to me, I don't get a cent for helping you. I do this on my own time.

For many, "nothing" means that they get a "no signal" error message.

in your case, you mean nothing like just a black screen.

Assuming that your monitor's power light is on, my educated conclusion is that your graphic card is fried. I suggest you remove it, clean the slot and card with compressed air. If you still get nothing, I suggest you replace the card.

Regards
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I don't want to make this post into a personal argument and I know that we all want to help for free in this forum.

The graphics chip is embedded (soldered) on the motherboard and not on a PCI slot...

I measured the bios battery and shows 2.9 Volts (I think a good battery should have 3.2 Volts. Am I right?

Another opinion is to re-ball the graphics chip
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Logically speaking there is no relation between the battery and the monitor.

I find it unfortunate that you have an onboard graphic card.