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No Signal The Monitor displays " No signal" then seconds later the computer shuts down.

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No signal mean that vga signal from cpu is not coming to it or may be this is a cable breakage relavant to signal from cpu.
2ndly, the matter of computer shuts down is out of sense because this kind of problem doent happens at this case.
check ur vga card, if it is seperately installed on motherboard.
the other thing that u can do is that;

unplug all the cables of data relavant to hdd, cd, dvd and anyothers and then switch on ur pc. hope it should work if anything is not wrong with the motherboad and ram, including vga

ragards,

Posted on Jul 31, 2008

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My computer comes on but no display says no signal then display shuts off but computer stays on


Check cable connections from gpu inside pc tower. If you have a second monitor or can borrow one, see if that monitor works. If colours/image are distorted then you may need to replace the gpu.

Apr 15, 2015 | Computers & Internet

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I had a power failure in my area. When power was restored my pc booted up ok but the monitor screen only stays visible as it should for about 3 seconds, then it goes black screen. I have powered...


Close windows down. Wait 15 - 20 mins, then power monitor up but NOT windows. Screeen should say "NO SIGNAL in centre. If t does not, wait five mins If still no display shut down and wait another 5 mins. Then start monitor un ANDt windows.. All should be OK now, If not shut EVERYTHING down and disconnect from mains ovrernight. (PC riouter/modem,,,, EVERYTHING . 12 hours later, re-connetc in THIS order - 1.) MONITOR 2.) PC 3) ROUTER/MODEM Should be OK now.

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It shows "check signal cable",


Hi, Hopefully you are seeing this error on the screen of your monitor. If that is the case,
do the following steps.
1 Shut down the computer. To do this, without looking at the monitor, hold the on/off button to your computer in for about 5 seconds. The computer should then shut down.
2 Shut off the monitor.
3 Unplug the video signal cable, the thick one that goes between between the computer and the monitor and then re-insert it observing not to bend any pins. There are two end screws that you will have to be loosened, although they may have not been tightened in the first place. When you reinsert the cable, hand tighten those screws.
4 If there is a similar connector on the back of the monitor, repeat step # 3.
5 Make sure that the signal cable is firmly attached to both the computer and the monitor. 5 Turn on the computer and see if it has solved the problem.
If it does not, examine the cable for signs of damage along it's length.
If it is damaged, replace it. you should be able to get a cable for stores like Best Buy, or possible from a friends old stack of cables.
Hope this helps,
Mark

Jan 04, 2011 | Samsung SyncMaster 2253LW Monitor

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Just today when watching a movie my monitor will go blank and the light at the bottom which is white when on will go dark and then turn orange like it's been turned off then about 20-30 seconds later it...


When the power saving options of the computer is turned on, after particular time the signal stops to the monitor and the orange light will come on, once you move the mouse or press keys on the keyboard, the cpu comes back from the power saving mode, the signal passes on to the monitor and there will be display.

Sep 05, 2010 | Acer H233H bmid Monitor

1 Answer

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

1 Answer

Screen comes on says Acer then No Signal, and goes out. if shut power off and then back on get same result.


This means the monitor believes it's not connected to the computer. Verify the cables first of all. Then try booting in safe mode (F8 key at PC startup) in order to verify that the PC is sending data to the proper video port (you might have a dual VGA / Digital output, for example, and the monitor might be connected to the wrong PC port). Quite often, a "bad signal" will be the same of "no signal"; and you can have a bad signal if the monitor resolution on the PC is set too high. This could happen if you installed a high-resolution capable monitor, and then replaced it with a not-completely-plug-and-play, lower resolution one. The PC would keep sending hi-res signals to a monitor which can neither interpret them, nor tell the PC "please slow down". To check this last possibility, reboot your computer while the monitor is ON. When PCs reboot, they usually drop back to standard VGA signaling, which all monitors understand. If the monitor abruptly comes to life and displays a boot screen, then goes No Signal again after several seconds, you've got a resolution issue; get in Safe Mode with F8 key at boot, and modify the screen properties (right-mouse button on the desktop, then Properties).

If everything else fails, try also connecting the monitor to another PC or laptop, to see if it works there.

Dec 04, 2009 | Acer AL2223W 22" LCD Monitor

1 Answer

While trying to change channels, my t.v. displayed ''no signal'' and then shut itself off. Now, when I turn it on, it says no signal and turns itself off after a few seconds.


Turn the television on and as soon as the screen turns on repeatily press the input button or change the input to whatever input you are using from a source device. As long as you change it to anything other than RGB.

Your television is essentially a big computer monitor with multiple inputs and a tuner. When using your computer and shutting it down the monitor will go in a power save mode. You don't need to shut off your monitor due to this power saving mode. When you power up your computer your monitor automatically turn on.

With the VIZIO and the RGB (computer) input the television will act just like a computer monitor. When you have a computer connected it will power down automatically when you shut off your computer. When you turn your computer on the VIZIO will automatically come out of standby mode. This is through RGB only.

This is normal operation for the VIZIO but can see confusing when nothing is connected to the RGB input. If you change your television input to RGB it will sense no signal on the input and will go into standby mode after about 5 - 10 seconds. If you were to send a signal to the television through RGB it would automatically kick on.

Apr 05, 2009 | Vizio L37 Television

1 Answer

Monitor keeps shutting down...


hi im josh in cebu phils. mark the problem centeres in your video card try to check if it is in the proper temperature (not heat or  hot). check if it is seated firmly in the slot.

Feb 24, 2009 | Computers & Internet

1 Answer

No Signal


Not all monitors can display the same resolutions. You may have has the Dell monitor set at something the Acer can not handle. Try rebooting and if you can see the Dell startup screen press F8 as soon as it disappears. This will give you the Windows Startup Options menu, which is text and should display on any monitor. Then select VGA MODE, which is the lowest common denominator for graphics. You should be able to see the Windows display at a much lower resolution (ie, larger fonts and icons) than usual until you can reset your graphics properties to work with the new monitor.

Dec 28, 2008 | Acer AL1912 19" LCD Monitor

2 Answers

Monitor shuts down and glows pink


You could try updating the drivers for your monitor and for you video card. It sounds like their could be a hardware problem. When something warms/heats up the connection is made. A pink glow isn't a good thing. Make sure you check all cables and even try to adjust the actual monitor settings Your heat settings for the colors may be out of whack. Last question? Does slapping it a little help? Good Luck. Let me know what happens. Tim

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