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Re: 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.
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Connect the "bad" monitor to the VGA-out port on a notebook/laptop computer, to see if it works normally when connected. If not, then the monitor is "dead".
If it works fine, check the "screen-resolution" of the computer's video-card, to see if the values exceed the capability of the monitor.
I have both ASUS and LG monitors with multiple input choices. On both, when the monitor is turned on, it remembers the last input source. Both monitors (and presumably yours, as well) have an INPUT selection in their SETUP MENU.
So, I'm suggesting you search your monitor for an INPUT selection option, then choose "VGA" rather than DVI / HDMI / AV / COMPONENT / CABLE / ANTENNA, etc.
Hope this helps.
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.
Hi, I assume this is a Desktop computer: The Monitor receives, graphics or text from the PC (personal computer) and displays it on the screen.of the Monitor. If you see a message on the screen that says * NO SIGNAL * in most cases the Monitor is good, and the Monitor is either not connected to the PC or there is a problem with the PC Check the connections and the video card. The problem could also be related a failure of the motherboard, memory or the processor
Ive seen this on other monitors. Look for a 1 and 2. Some monitors do NOT auto detect a signal, and this one might not. Look for a way to set the monitor from Digital input to VGA input. Try that and see.
your describe: connect a laptop VGA out to a monitor but no signal: you need check
1) newer monitor have two signal interface (analog or digital) and you may try to do a logical change the signal way by select buton
2) any laptop have two way display (local LCD or extenal VGA) change by the key (fn+f key showing creen icon)
see if the signal coming to the monitor is active... you can check this be disconnecting the rs232 cable from monitor to cpu.. when u disconnect it.it will display the no signal icon on the monitor...else there is some problem with your monitor...