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My lg monitor starts up when i start the computer then the picture goes away and i get a check signal cable. cables are all connected. i just installed it. any ideas? thanks, lauri

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You have vga (display) problem, try to load to safe mode and change the display setting, or reload the driver, if it didnot work make sure the vga card is plugged correctly into the motherboard. if all this doesnot work, change the display card.

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Posted on Oct 06, 2009

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LG monitor displays "D-SUB POWER SAVING MODE" when it is starting


The message it is displaying indicates that a VGA cable is connected and is not sending signal, or is sending a Monitor Off signal across the VGA cable. The motherboard battery will have no impact on this. If you are using something other than a VGA cable to send the signal to the monitor, then you should ensure that no VGA cable is plugged into the monitor, or the source on the monitor is not using the VGA connector.

Mar 28, 2014 | Computers & Internet

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No connection check signal cable


Have you tried a different VGA/ DVI cable? Also, plug the monitor into a different computer and see if the issue goes away? This could indicate a faulty video card.

Sep 25, 2010 | Samsung SyncMaster 191T 19" Flat Panel LCD...

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The monitor starts up displaying no signal


This means that the monitor is not receiving a video signal from the computer. When it doesn't receive a signal, it goes to sleep. You should check to make sure that the video cable is tightly connected, and also, if you have another monitor around, connect the other monitor to the computer and see if it works. It's possible that your monitor has malfunctioned.

Mar 03, 2010 | Hanns.G Corporation HW191D 19" LCD Monitor

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Blue verticle line is displayin


The blue line is most likely the result of your monitor's screen going bad. One thing you can try is disconnecting and re-connecting your video cables to make sure it's tight and has a good connection. This probably won't help, but it's worth a try. You may also want to connect the monitor to another computer to see if the blue line stays, or goes. If the blue line stays with another computer connected, the problem is inside the monitor. If the line goes away, you should replace/repair your computer's video card and/or cable. Otherwise, you need to replace/repair your LG monitor.

Mar 03, 2010 | LG Flatron L1750S 17" LCD Monitor

2 Answers

Monitor starts then goes off, no signal


I would check the LCD against another monitor. It does not have to be a LCD, a regular monitor will do.
This will tell you 2 things, 1. The Video card is good or bad, 2. The Cable is sendinf a good signal.
If when you startup the monitor, you see a display and then after a few seconds it display's a no signal message, this is consistant with a Bad cable or cable ends. or Bad VGA card from computer.
Hope this helps. Good luck..
P.S. If you have move the PC, you may want to open the unit, and re-seat the Card. If the card is not making a solid connect on the board, it will display these syptoms.

Sep 05, 2009 | HP w1907 LCD Monitor

1 Answer

Monitor light blinking


The monitor is probably on protection.

To start unplug monitor from power and from computer and test computer with different monitor to find out if it is monitor or computer fault.

If it is computer fault and no video signal , then test:

  • Video cable.
  • Video adapter on PC (sometimes integrated on motherboard)
  • Motherboard.

If it is monitor fault , then the monitor is on protection.

When on protection you keep having a flashing led on front of the monitor , and monitor turning off by itself after a while, that indicates a fault condition.

The flashing light indicates a diagnostic state called protection.
When the Monitor goes on protection there are only two possible causes.

1The internal circuits are jammed because of electrostatic charges accumulating on capacitors, or because of a wrong voltage read by the main chip on your monitor controller board. this started the protection circuit.

2 The protection circuit detected a wrong voltage or a broken contact, identified an internal fault and kicked in , starting the flashing light.


If you are in situation one, then the monitor will reset just unplugging power cord for one or two hours,sometimes even minutes.

If you are in situation 2 , then there is an internal fault.

Common faults that can occurr are a blown capacitor on power board, faulty inverter board, faulty input board, or a fault on LCD Digital Controller board.

Check also the video cable or any external connection cable, if the cable is shorting, or the connector is bad, you can get same flashing statebecause of the video cable.

Try moving the video cable, and if the cable is not built in, then also try a replacement cable.

If under warranty contact the manufacturer ringing the number on the user manual

If you want to repair at your own expenses, just locate any good qualified repairer.

Jan 17, 2009 | LG Flatron 775FT 17" CRT Monitor

1 Answer

No Input Signal


Dont Panic it is Nothing...
Your Monitor is safe...
If it say "no Input signal" - "Check VGA cable"

it means that the Monitor is finding signals from the computer,and the cable is either not connected or unsecurely connected.

Jul 18, 2008 | Chi Mei Corporation 221A Monitor

1 Answer

No signal on startup


if monitor is gave no siganl .Firstaly Check monitor Signal Cable For connected of ur system vga port. if Siganal cable is connected ur pc then Check ur System IF system is gave the Display anthore monitor . Then Proble is ur monitor signal Cable .So Plz Change Monitor Signale Cable.

Dec 29, 2007 | Princeton Digital VL2018W Monitor

1 Answer

Flatron LG monitor safe mode


Your monitor goes to Power Saving Mode when the signal it is receiving is not correct. In all probability this is not a problem of the monitor itself, rather you should check the connections and the computer the monitor it's connected to. For example you could try a different RGB cable and try it in a different computer.

Apr 13, 2007 | LG Flatron L1951S 19" LCD Flat Panel...

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