Question about HEWLETT-PACKARD Compaq Presario CQ56-129NR Notebook PC

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Black screen HP Compaq Presario CQ56

My notebook doesn't work. After shutdown it doesn't start. There is no operation on screen from bios/ cmos. screen is still being black. Furthermore the cooler doesn't run. Power supply, akkumulator and ram are ok...I've tested the voltage and also tested the ram in another notebook. Status Led is blue = ok. In the end there isn't a function. I suppose the powerboard has a defect. But what can i measure with the voltmeter? Maybe you have an idea? Sorry for my diction i'm from Germany. thanks...

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Won't get an answer here
This is automotive
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Posted on Jul 24, 2013

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Black display after start up notebook HP Compaq Presario


This may be the motherboard has failed, it happens more than most people think. There is no way to check it, but if you are advanced enough you can buy one and replace it, and not have to worry about reinstalling your operating system. Just a possibility, but that is what it sounds like to me.

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it seems hard disk boot sector problem try to hard disk check disk utility

May 23, 2012 | HEWLETT-PACKARD Compaq Presario CQ56-129NR...

1 Answer

The screen on my compaq presario cq56 is black


The problem is caused by the inverter board, "just below the screen" is more than likely the problem, or it is the backlight behind the LCD display, "built in" less likely.

Apr 23, 2012 | HEWLETT-PACKARD Compaq Presario CQ56-129NR...

2 Answers

IS THERE A WEBCAM ON THIS MODEL?


Hi snowdie...
Your Presario CQ56-15DX does not have a built in webcam...
If you want to video, you can put an external webcam on
Please take time to rate me

Your computer specs...
http://h10025.www1.hp.com/ewfrf/wc/document?docname=c02542735&tmp_task=prodinfoCategory&cc=us&dlc=en&lc=en&product=4308201

Sep 23, 2011 | Compaq Presario CQ56-115DX Laptop

1 Answer

I have the Compaq presario cq56-155dx and i've been seeing a lot of mixed answers to my question which is if it has a webcam. if it does, can someone please help me turn it on, if it doesn't can...


This model does not have an integrated webcam, the sister model does! Here are the specs for your model!

http://h10025.www1.hp.com/ewfrf/wc/document?docname=c02542735&tmp_task=prodinfoCategory&cc=us&dlc=en&lc=en&product=4308201

May 19, 2011 | Compaq Presario CQ56-115DX Laptop

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