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Author Topic: no display on LCD monitor  (Read 1331 times)
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hitbyambulance
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« on: October 13, 2011, 08:37:05 AM »

i purchased a Dell 2005FPW from a user on this very board back in January, and one day a few weeks ago, while i was using the computer, the display suddenly went completely black. it now displays nothing on the screen (not even the on-screen menus), but the power light will turn on and off when the power button is pressed. i've tried the VGA, DVI, composite and s-video inputs - none work. i've tried shining a light on the monitor to see if i can see anything displayed on the screen at all, but i can't see anything. i figure my next step is to disassemble the monitor (as shown here) to see if any capacitors have swollen. what is the likely problem here?
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heloder
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« Reply #1 on: October 13, 2011, 12:33:46 PM »

Inverter probably. Sometimes the inverter can shut the monitor off if one of the back lights is on the fritz, though, so that could be the issue as well.

When you turn your monitor on, do you get a picture for a few seconds and then it shuts off, or does it shut off immediately? If it's not immediate, are you sure you're checking the screen with the flashlight while it's on?
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Blackjack
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« Reply #2 on: October 13, 2011, 02:47:55 PM »

*I have numerous times worried about getting nothing on my LCDs (at home and work) only to find out I just had one connector cable just the slightest, tiniest bit loose. In fact that just happened to me yesterday when I moved my work LCD from one room to another (I had to tighten the screw on one cable connector). While I'm sure you already checked those, it wouldn't hurt to check every connection again to be sure they're tight.
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hitbyambulance
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« Reply #3 on: October 14, 2011, 07:47:22 AM »

Quote from: heloder on October 13, 2011, 12:33:46 PM

Inverter probably. Sometimes the inverter can shut the monitor off if one of the back lights is on the fritz, though, so that could be the issue as well.

When you turn your monitor on, do you get a picture for a few seconds and then it shuts off, or does it shut off immediately?

i don't get a picture at all. nothing is ever displayed...

Quote
If it's not immediate, are you sure you're checking the screen with the flashlight while it's on?

totally sure.

Quote from: Blackjack
While I'm sure you already checked those, it wouldn't hurt to check every connection again to be sure they're tight.

septuple-checked that...
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