Question about HP Compaq 6710b Notebook

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Screen is almost black but I can connect system to an external monitor

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Could be a bad backlight lamp or a bad inverter board. Please refer to the following article for more details on how to diagnose & fix this problem:
http://www.fixya.com/support/r6430776-troubleshooting_laptop_power_failures

Posted on Dec 30, 2010

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Dell Inspiron MINI 1012 Laptop Screen 10.1 LED flickers


soldbyajt,

It sounds as though the video card has gone bad in your system. There are a couple of things to try to eliminate the lcd.
If the LCD on the system shows no display or has other problems, here are some basic steps to take:
  1. If the LCD is not displaying any video, connect an external monitor to eliminate a no-POST problem. A good image on the external monitor eliminates a video card problem or a POST problem.
  2. Connect an external monitor when possible for all LCD-related problems to help eliminate a possible software or video card problem.
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Why does Sony laptop screen stays black when booting?


Shine a flashlight on the dark screen to see if you barelysee the icons on the desktop. If so, then the LCD Inverter is bad.

Plug in an external monitor and see if the display shows up on it. It can beany kind of monitor even the old big fat crt monitors as long as it has a vgacable to connect to your computer's vga port. If so that proves yourvideo card is ok. The video will show on most systems when you rebootwithout you having to do anything. Some systems will require you to hit the FN(Function key) + F1 thru F12. Hold down the FN key then hit the correctkey for displaying on the monitor (F1 thru F12). The correct key willnormally have CRT/LCD on it or it will have the icon of a display.

If you see no icons by shinning a flash light and the external monitor works,then your screen is bad. If you see no icons by shinning the flash lightand nothing shows on the external monitor, then most likely your video card isbad.

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Laptop Monitor Problem - I have a Toshiba Satellite Laptop. I had a system crash and I think I may have had a second problem with my monitor on my laptop showing, it went black and flickers on and off. ...


Possible disconnect of the wiring harness from the LCD to the motherboard? Might just need a new screen, but always check the simplest first. Flickering may imply faulty wiring or a lose connection in my opinion.

Mar 02, 2011 | Toshiba Satellite A135-S4467 Notebook

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Screen on laptop keeps going black


please explain further. keeps going black from where? after turning on the laptop? of after windows logo? if after windows logo screen turns black if a no boot issue where laptop cannot load system files. if screen is black after turning on no manufacturer logo and windows logo or anything then it might be the LCD or video card / motherboard. to isolate try connecting your laptop to an external monitor and check if you will be getting the same problem. if no display from the external monitor then its a video card issue, if video card is integrated needs to replace motherboard.

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2 Answers

Hear power on, black screen. wont do anything.


- try to connect you machine to an external monitor
- if the display appears on your external monitor the problem would be the LCD screen of your laptop (need to replace it)
- if there is no display on both laptop and external monitor i suspected it's the motherboard faulty
- send your laptop to service center to replace it (if it is underr warranty it's free

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Screen is black


do you have any experience in opening notebook?. If not, don't take a risk, go to service center. It's LCD problem

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Toshiba laptop satelite a135-s2386. I went to turn on computer and there is power but the screen is black. Thanks!


connect an external monitor on the unit and press the key combination to get the video on an  external monitor this is different on some laptops on HP dv 6000 for example it is FN F4 if external monitor work the problem is with your laptop display if the external monitor doesn't work its probebly your systemboard als check your memory.

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1 Answer

Black screen


You need to borrow an external monitor and connect it to the VGA connector on your PB. If the system outputs video to the external monitor, then either the backlight or its inverter has failed. 

Nov 11, 2008 | Packard Bell Easy One Silver 2120 Notebook

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HP dv9000


 Hello jarkk, I believe your problem is with your backlight inverter. the hard drive should be installed for this process of checking it on an external monitor. with the hard drive removed it will not boot to the operating system. with the drive in, use the external monitor. if the monitor works when plugged into the external monitor plug, this will eliminate a bad video card. if the screen is still black on the laptop screen, replace your backlight inverter. the last case cenario is to make sure your backlights are not burnt out. 

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MX 6124 Gateway notebook screen stays black when powering up


Repaired! This sounde like a fuelty screen or screen inverter. To check this, connect to an external monitor, if the external works properly, then it's the screen or inverter. If the external doesn't work, let me know and we'll run the problem down to a more indepth (internal) trouble shoot.

Jun 28, 2008 | Computers & Internet

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