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Alienware Laptop....

#1
ok - quick overview...

the screen is ALMOST all black - its like the backlight is ALMOST out - it boots fine and works fine on an external monitor...

JUST before the screen takes a poop, it is red hued.... like, the windows xp logon screen has red tint to it - then it goes dark

1. think its the inverter?
2. screen?
3. video card?

the only reason i dont think its 3, is that it displays fine on an external monitor

please help
 

lancer

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Political User
#2
its the screen and if you are out of warranty the machine may be worthless, as the screens can be as much as $900. I've seen these issues many times.
 
#3
how can i be sure its the screen itself?

it is intermittent....

last nite i had it working fine - but this morning, i get back to work and turn it on, and its faulty again

like if i had to explain to someone why its DEFINITLY the screen...

its tough - its a 3.2ghz - 2gbram - beast...
 

lancer

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Political User
#6
is the screen always dim or cant you see anything at all.

if it is permantly dim it is either the inverter or the backlight, if it it totally blacked out it could be either of the previous two or a damaged screen, its very difficult to determine this without actually testing the parts themselves.

a new inverter costs about $100 a backlight about the same, but to be honest i wouldn't do it yourself.... is it out of warranty?

also supposedly if it is the inverter broken you may hear a hissing indicating that there is an electrical discharge happening. which happens when the invertor is broken
 

lancer

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Political User
#8
then i would 100% say it is the inverter.

as you are old of warranty, it cant hurt to just fix it yourself. if you feel so inclined.
 
#9
i work on pc's and laptop's all day - i was just unsure with this particular case....

thanks for the help! - ill keep you posted....
 

kcnychief

█▄█ ▀█▄ █
Political User
#10
I know most of this has been covered, but of your original questions it definitely isn't the video card since it works on an external monitor. I wouldn't suspect it's the screen because it would really only be totally on or totally off in most cases. I would put my money on the inverter myself, but the backlight could also be defective.
 
#12
ok - i installed the new inverter... and its still doin the hiss noise for a bit - then screen goes -- leads me to believe the only thing left could be the backlight --- right?

but the backlight is part of the screen --- i reseated all the connections having anything to do with the screen.... and im trying to get it to dim out again --- hasnt done it yet.... but its hard to troubleshoot something thats so intermittent :(
 
Last edited:
#13
its the screen and if you are out of warranty the machine may be worthless, as the screens can be as much as $900. I've seen these issues many times.
Best bet if you're up to taking the risk of replacing the screen yourself is to do as follows:
  1. CAREFULLY remove the LCD assembly from the board
  2. Continue to strip away the bezel
  3. Keep going, the LCD isn't bashful, strip it down until it's just a screen
  4. On the back, there should be a sticker from Samsung or some other LCD OEM. Write down this number.
  5. Google it and you should be able to find a replacement LCD . . . if you're really lucky someone closed out a bunch of them on eBAy :)
  6. You'll need to REMOVE the laptop specific stuff - if you have an Alienware it's probably pretty generic since they manufacture there's in a big OEM house in Taiwan.
  7. Now you'll need to attach the laptop specific stuff to the new LCD
  8. You just saved a fortune . . . or broke a new LCD.
 

lancer

There is no answer!
Political User
#14
i'm sorry i led you down the wrong path, but i guess it could have also been the inverter as well, you should be able to replace the backlight seperate from the lcd screen.
 
#16
Very expensive then, Seriously go find out your model number or part replacement number and look on ebay. They usually have tons of replacement screens - most for less than 50$...

Good luck :)
 

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