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LCD monitor won't stay on


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mrkite's Avatar
mrkite mrkite is offline
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11-Sep-2009, 12:35 AM #1
LCD monitor won't stay on
Hello, today when I went to go turn on my computer and noticed that the monitor was not showing anything. Like, the computer itself will boot fine and the light on the monitor is solid screen, I'm just not getting any picture. What's really strange though is that if I turn off the monitor and then turn it back on, I will see be able to see picture for about a second and then it will just go black on me again. What's going on here?
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Tanis   (Shane) Tanis is offline
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11-Sep-2009, 02:31 AM #2
It could be a dodgy backlight or inverter in the LCD. Get a bright torch and shine it at the screen when you have the PC on, see if you can see what should be displayed (it will be faint), if you can its probably the backlight.

Do you have access to any other screen you can put on it to confirm its the LCD and not something else at fault?
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mrkite mrkite is offline
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12-Sep-2009, 12:14 AM #3
Quote:
Originally Posted by Tanis View Post
It could be a dodgy backlight or inverter in the LCD. Get a bright torch and shine it at the screen when you have the PC on, see if you can see what should be displayed (it will be faint), if you can its probably the backlight.

Do you have access to any other screen you can put on it to confirm its the LCD and not something else at fault?
I think you are right, Tanis. So is this fixable?
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Tanis   (Shane) Tanis is offline
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14-Sep-2009, 02:33 AM #4
I believe the backlight is harder / more expensive than the inverter board (might be wrong though). I have only ever looked at it on my laptop, I would assume an LCD monitor would be very similar though.

I believe it is invariably more cost effective to replace the LCD than pay to have it repaired, may be worth investigating though.

Have a look at the link below, I did a quick google on lcd backlight replacement and found this. I can't vouch for the accuracy or how old / new the info may be as it's not something I have ever tried myself.

http://www.inventgeek.com/Projects/shorts/overview.aspx
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