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HP Pavilion DV8000 LCD Monitor Dimmed Out

Forum Systems : HP - HP Pavilion DV8000 LCD Monitor Dimmed Out

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BuddyGoodness   04-14-2007 at 11:59:41 PM

I have a HP Dv8000 laptop and today I turn it on and the monitor is almost completly blacked out. When I have sunshine on it I can barely see the screen, I tried to turn up the brightness and that didn't do anything and neither has anything else. I plugged the svideo cord into my tv to be able to post this message and though the resolution sucks for reading text it looks fine so I think that rules out the video card, or does it. Does anyone know what the problem could be? I am thinking it is the lcd backlight but that is an uneducated assumption, if anyone can help me please do. Thank you.

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tomwaddle   04-26-2007 at 07:22:01 AM
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if you already tried brightening the screen by hitting FN F3 or F4 and it's been doing this out of the box, then you need to take it back. It's probably broke or a cable is loose.

Reply to tomwaddle
BuddyGoodness   04-26-2007 at 05:54:43 PM
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I have had it for over a year, I can't take it back.

Reply to BuddyGoodness
tomwaddle   04-26-2007 at 08:09:56 PM
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if you have no extended warranty on it, then you're in trouble.
If you know someone good at taking laptops apart, ask him/her to see if a cable came loose. I didn't realize you had it for that long.
If you can't find anyone to fix it, I'm afraid you'll have to take it in to get serviced. And, whether it's the panel or the motherboard that needs to be replaced, it'll probably be in the $300-$500 range.

Reply to tomwaddle
BuddyGoodness   04-27-2007 at 06:37:24 AM
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I would think it was the lcd backlight considering the computer is fine except that the lcd monitor doesn't light up. I don't see how that would be 300-500$ unless they take five hours to do it, the bulbs are only like 20$.

Reply to BuddyGoodness
tomwaddle   04-27-2007 at 07:18:25 AM
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In my experience, when HP laptops have a dim panel, whether it be the backlight or something else, they send out a brand new panel. They don't send just the backlight (for warrantied laptops. Is warrantied a word?)
I agree the backlight probably doesn't cost that much but I have never seen them send out just a backlight. If they do, more power to ya. Now you'll just need someone to take about the panel. Have fun <insert sarcasm>

Reply to tomwaddle
longstride   05-15-2007 at 08:55:26 PM
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Try this..

fn F7 for dim,
fn F8 for brighter

This works on mine and gets in REAL bright!!!

Reply to longstride
sos85   05-30-2007 at 05:05:11 AM
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Try to clean your HP DV8000 LCD screen, then adjust LCD's display quality by press the buttons on the bottom of your LCD Screen.
Or it may be caused by high atmosphere humidity, change the your laptop position .

Reply to sos85
kcallis   10-28-2007 at 07:51:27 AM
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The issue that I am having is that my LCD comes dim, not from lack of brightness, but the resolution seems to break up, then the screen will black out, or become distorted and the only solution is to tap the side. Is my only solution to buy a new LCD or is there some other component that could causing problems.

Message quoted 1 times
Reply to kcallis
Marcio   03-24-2009 at 03:22:19 PM
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It IS the backlight... you just have to replace it. Cheap but have to be very carefull to replace it, it's very thin and breaks easy just by holding it wrong.
You should take to someone who works with this daily.


Marcio
marcio@mvs8.com.br

Reply to Marcio
pnietzer   06-19-2009 at 05:41:25 PM
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I have the same problem (I think) on my HP dv8000. When I start Windows XP normally, I get no errors but just a black screen. I can start Windows in Safe mode and Safe mode w/ networking and the display works just fine. I can access the internet as well in Safe mode w/networking. Only when I start up normally, do I have the problem.

Reply to pnietzer
Anonymous   08-08-2009 at 08:39:40 PM
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i am having some display related problem on my dv5000. i see that the display flickers a lot and when i try to hold the display panel at some postion ( while folding in or folding out ), the display stays good. or else it keeps on flickering.i dont have any problems with brightness. is my problem related to some broken or loose cable . if yes can i replace it. has anyone done this earlier.

Reply to Anonymous
sabatorious   08-30-2009 at 10:39:57 PM
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kcallis wrote :

The issue that I am having is that my LCD comes dim, not from lack of brightness, but the resolution seems to break up, then the screen will black out, or become distorted and the only solution is to tap the side. Is my only solution to buy a new LCD or is there some other component that could causing problems.



Was your problem ever solved? I am having the same problem, only now, my monitor stays dimmed and lower resolution unless I pull the top corner of the screen toward me and hold it that way. It got worse and worse until this point.
The motherboard is not the problem with mine, as the picture is fine with a VGA cable hooked to my HDTV.

Anyone have any answers? Thanks.

Reply to sabatorious
kristydiane   10-17-2009 at 02:38:03 AM
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I replaced the LCD inverter (7 bucks plus shipping) and the LCD cable (8 bucks, free shipping.)

This works in most cases. It's fairly easy and there are videos on youtube that show how to replace the inverter. If you're not comfortable doing it yourself, a repair shop can do it and it shouldn't be a fortune. It only took me fifteen minutes to take the screws out, swap out the parts, and put it back together again.

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Reply to kristydiane
pcsolved   10-17-2009 at 05:15:41 AM
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I have two DV 8000's this seems to be a common fault, the screen cable seems to get affected by heat from the fan over time and the circuit breaks that feeds the power to the inverter. On both here it is a cable running from motherboard to the inverter. The fans on these are a big job to access the enitre main body of the machine has to be taken apart. The fans can easily get clogged or worn out and this causes higher tempratures to the area where the cable connects. There is no easy access point to the fan area without taking the machine apart.

Technical manual here

http://h10032.www1.hp.com/ctg/Manual/c00701888.pdf

Reply to pcsolved
Anonymous   10-29-2009 at 12:32:32 AM
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kristydiane wrote :

I replaced the LCD inverter (7 bucks plus shipping) and the LCD cable (8 bucks, free shipping.)

This works in most cases. It's fairly easy and there are videos on youtube that show how to replace the inverter. If you're not comfortable doing it yourself, a repair shop can do it and it shouldn't be a fortune. It only took me fifteen minutes to take the screws out, swap out the parts, and put it back together again.




Great comment. I will try this. Can you please tell me the web site where I can purchase the lcd cable and inverter? didn't find much help on the web sites I visited. thank you.

Reply to Anonymous
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