Question about Compaq Presario CQ-40 Laptop Universal AC Adapter 18-20v (AC22VPNDDTKJ7)

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Compaq screen half dark

Right half of laptop screen is dark though is still visible

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Sounds like the rear lighting for the screen is faulty. Replace the screen.

Posted on Oct 25, 2013

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1 Answer

Display half of screen


screen back light on the other side is busted which need replacement.

Jul 14, 2012 | Computers & Internet

1 Answer

I have a HP Compaq 6510b, and I don't how to change my screen brightness. I doesn't matter if it's with the keyboard or using the mouse. Thanks.


Greetings to brighten or darken the screen it would be using the FN key simultaneousness while pressing the icon key some are sunshine and half moon for dark look for the obvious key that looks like it would either be a light or dark symbol. Thanks for using FixYa! Do not forget to place a vote. John

Mar 19, 2011 | HP Compaq 6510b PC Notebook

1 Answer

I have compaq presario cq42, its screen sudenly half dark and half light. what i shud do?


try to change colour seetings using button given on the screen if it dosent work then ur monitor is faulty . replace the screen

Mar 06, 2011 | HP Compaq Presario V6000T Notebook

1 Answer

My screen is extremely dark. barely visible. external monitor works ok.


You probably have a bad LCD panel back-light. Time for the repair shop. Probably not worth repair though. Unless you have warranty or extended warranty.

Could also be an inverter board ... which supplies the high voltage for the back-light.

Nov 22, 2009 | Compaq Presario M2000 Notebook

1 Answer

My Compaq Presario v2000 will turn on but the screen is just black what do I need to do to fix it?


Can you see any image on the screen in a dark room, using a flashlight sometimes helps. An image will be most visible right after you turn the laptop on, when the logo appears. If you can see the image but it is dark you need a new probably backlight inverter which is a relatively easy and cheap repair - I usually charge less than $50. JC Hunter

Nov 13, 2009 | HP Compaq Presario V2000 Notebook

1 Answer

Barely able to see screen.


Your screen or the inverter underneath it which controls the power to the screen is bad.

Feb 04, 2009 | HP Compaq Presario V2000 Notebook

1 Answer

I have a compaq laptop that the screen is dark but beyond the darkness you can see the stuff on the screen, i took it to a repair shop and its not the backlight or the inverter.what else could be causing...


the number of these i have fixed..... i'm 95% sure its the backlight, though it could have some underlying issues with the connectors on the motherboard, and a slight possibility of it being the graphics chipset, check if its under warranty with compaq, if it is have them walk you through thier troubleshooting, and have it sent off to them, they will get ya fixed and on your way, try a power cycle though. pop out the battery and pull out the cord,then hold the power button down for a minute and put the battery and ac adapter back in, if it dont work call compaq. :D cheers

Jan 24, 2009 | HP Compaq Presario V2000 Notebook

1 Answer

Screen problem


I think try going to display setting under control panel. See if it allows you to change to full screen mode.

Sep 17, 2008 | Compaq Presario X1000 Notebook

1 Answer

Compaq Presario 700 laptop problem


Most of the time blue screens like that indicate hardware issues. You may try replacing the memory. I wouldn't put too much money into something of that age, though.

May 23, 2008 | Compaq Presario 700 470024-192 Notebook

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