Question about Computers & Internet
Posted by Anonymous on
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Posted on Jan 02, 2017
SOURCE: No display
if your monitor is not connected to a pc, then it cannot find a vga signal input and therefore go into power saving mode, which is indicated by the orange light, but as soon as you connect to the pc and power on the light will go green and the monitor will power up.
Posted on May 07, 2007
SOURCE: stuck in sleep mode
Press the power button on the Computer it should come out of sleep mode then if it doesn't hold the power button of the computer down until the system turns completely off.
Then turn back on the computer should now boot fine. Once in windows goto control panel and select power option then adjust the setting.
Hope this helps you
Posted on Jan 06, 2008
Yeah, I called Dell yesterday, and they said it was a problem that I could not fix myself. Whether that's true or not, I don't know, but my monitor was still under warranty, so they shipped me a replacement right away. I already got it this morning.
FYI: Their monitors carry a three year warranty.
Posted on Nov 07, 2008
SOURCE: no display
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Cause of power going
off: There is a bad 1000uF, 16V cap
on the power supply board.
Solution: Replace cap. Radio Shack sells a 1000uF, 35V cap for $2. This will work.
Why did the cap go bad? The cap is too close to a heat sink and over heated.
What does this cap do? This cap sends a signal to an IC which keeps the monitor 'on' after the power switch is pushed. When the cap is weak, AC ripple voltage is applied to the IC and it sends a signal to shut the monitor off.
Opening the Monitor: These monitors are difficult to open.
The two plastic pieces snap together and must be pried apart with a flat screw driver.
After removing the stand, you need to insert a flat screw driver at the bottom of the screen where two slots are located. Then work the screw driver around until the two plastic pieces are separated.
Remove the cover plate and unscrew the push button circuit board.
Unplug the monitor cords from the driver board and remove the screen.
Unscrew the mounting screws from the power supply board and remove.
You will need to pinch the plastic support in the middle of the board to remove.
Cap is located near a copper heat sink and the value will be on the side of the cap. It will be bulged up on the top. You will see burn marks on the board surrounding the cap. Unsolder the cap.
Install the new cap and solder. Make sure you connect + of the cap to + marked on the board.
Be careful not to solder across joints.
Keep leads long so you can bend the cap as far away from the heat sink as possible.
Reassemble monitor and turn on.
This should solve the problem.
Posted on Jan 01, 2009
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