Backlight on monitor only stays on for less than a minute
When the backlight goes off I can no longer see what is happening behind the screen. Operations are still running but I can't see, so I cannot do a "backup" so I can move things to my new computer list .pst files (emails and contacts).
Can you advise me on this problem. I'm a computer novice so use english please:-)
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Re: backlight on monitor only stays on for less than a...
You can hook both computers together wjth a vga cable.From your post here it seems your broke laptop works for a few minutes? If so you shold be able to hook up both and see whats going on.I believe you have to pressfn and f4. also there are som hp and compaq models that are getting a one time repair free of charge, even if out of warranty. To see if your machine is on the list go to compaq or HP website.The symptons they are resolving are not starting, or wont recognize wireless card, or black screen. Good Luck
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I had the same problem with this monitor (Samsung 943nw) When turned on it would only stay on for less then a full second. When shining a light on the screen I could see what was on it, so it was just the backlight that was shutting down.
After I turned down the brightness of the monitor, the next time I powered on the screen the backlight stayed lit and it was back to normal.
mark587, Did you shine a very bright flashlight 1" from the screen to try and see the WIN-desktop ?? Even though the screen appears BLACK. Your words above said: JUST CAN'T SEE IT Did you really NOT see anything? Have you seen any of the longer video clips of "LCD Monitor Disassembly" on YOUTUBE? Some BLACK screen "symptom" lcd displays can be repaired for less than $10 in parts. Capacitors! Also check videos on lcd repair. Then get back here to fixya and I or any of the guys can help you decide what to do with your display whoose screen is now dark and lifeless. After doing the YOUTUBE thing you may even tell us what you will do!!! Hope this was helpful. Yes we do want to hear back from you. please rate this response on fixya. I'm louie12fix on fixya or lmistyrel @ aol.com. Bye for now.
if you look closely can you see a very dark image on the screen? your problem is usually the result of the backlight on its way out, these are very hard to replace so you will need to take it to a profesional, in most cases it is cheeper to buy a new screen.
I have seen this happen, and it gets to the point where the overheating will cause the backlight to entirely **** out, and then you've got a pretty nice paper weight. I would definately give Dell a call on this one to ensure it is under warranty. If this is the case they should easily be able to identify it as an issue with the backlight system and get you a replacement rather quickly.
If this part is not under warranty, well you can part-piece fix it, but it is a pain.
"Most" newer monitors will let you know if the are no longer receiving a signal. Sounds like the backlight is burnt out. Try getting a bright (LED works best) flashlight and shining it at the screen at all angles to see if you can see any of what you were doing. If the backlight is on the fritz, either return it on warranty or buy a new one.
It could be your LCD backlight giving you problems. When the image "goes off" shine a flashlight in the lower left hand corner of your screen. Look for the ?Start? button, if your backlight is not working you?ll see a faint ?start? button if you look closely. Depending on the monitor this is usually and economically repairable problem. Let us know if you have any other questions and please don?t forget to rate this posting.
While it is sounding like a hardware problem. I'll throw in my 2 cents. Have you check the cables from the power to the source and from the monitor to the computer. Just make sure those aren't loose.
One other thing...you mentioned you turn off the computer "afterwards" then it fixes itself. Is the fix for longer than it turns on at first? or does it stay on longer then goes out?
Let me know what happens.
Chances are it's not the actual CFL back-light bulbs themselves, but the back-light inverter board.
If it was the bulbs you would have not had the "warm up and it get bright" issue.
The board IS replaceable, (as well as the bulbs) ViewSonic charges about $36.00 USD for the board when they have them in stock. (out of stock as of yesterday 11/14/2006)
It should be covered under warranty if you got longer than one year. (I know the warranty was only one year on MY VA800 but I have seen longer offered since i got mine)
Good Luck I hope this helps!