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No signal on startup

When starting my computer in the morning, I started getting a "No signal" message on the monitor when it powers up, then the powerlight stays on, but the screen is black. The only way I could get the monitor to power up was to unplug the power cord, wait 10-15 minutes then plug it pack in, the monitor would come up. Any ideas?

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Re: 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.

Posted on Dec 29, 2007

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Tells me I'm in a power saver mode. Screen is blank. Model is 2241V

That message comes up when the monitor doesn't get a signal from computer, and enters power save mode until computer comes on. This usually means that the computer's not starting up when you turn the power on. It may also mean that some problem has occurred with the computer's video circuitry.

Begin by checking that the computer is actually starting up properly. Look for the normal startup signs (lights on the computer showing power and disk access, fans running, sounds through the speakers). If you're sure that the computer is working and getting into Windows, try another monitor. This will tell you if the monitor is bad or if there's a video issue with the computer.

Jun 03, 2011 | LG Computer Monitors

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When i switch on the monitor the on/off button blinks and i don't get a picture.

Most monitors will behave that way if they don't get a signal from the computer so there's nothing to display. A quick check of the monitor itself is to disconnect the signal cable from the computer and then turn the monitor on. Most monitors will display some kind of a message that there's no input and to check your cable connection. Then the power indicator changes color as the monitor blanks out.

You will probably find that your computer isn't starting up when you turn on the power. A common computer problem is that it will turn on when you press the power button, showing a power light and you'll hear the fans inside start running, but it never actually starts running. Then there's no video to the monitor and you see the trouble you described.

The monitor may still be bad. If everything seems to be starting normally and you hear the Windows startup sound through your speakers, but the display stays blank, try another monitor. If that one works, you'll need to have the bad one serviced or replace it. If the test monitor is also blank, the video circuitry in your computer has failed. If the video is built into the motherboard, you can install a plug-in video card as a replacement.

If the computer is turning on but never starts running, that can be a pain to figure out because several things can cause the trouble. The most frequent causes are a bad power supply or motherboard. Bad RAM or a defective drive or other device connected to the motherboard can also keep the board from starting up. The processor itself can fail, but that's not common. I start by removing everything except for the power supply, processor and fan to see if the motherboard is starting. If the motherboard doesn't give a "no memory" error (usually a long beep), you need a power supply or motherboard. Otherwise, the basic hardware is fine, and you can start replacing parts until the trouble comes back, and then you'll know what caused it.

Good luck, and thanks for using Fixya!

Dec 28, 2010 | Samsung Syncmaster 940BW LCD Monitor

1 Answer

When I powered the desktop computer up this morning, my monitor powers on, but the LG logo comes on then the message Analog Power Saving Mode comes up and the power button starts flashing and I still have...

The problem is that there is no signal from the graphic / vga card from the PC, check the cable connection from monitor to the PC, or the PC itself got error on memory card or grapic card. Try to clean/ firm the graphic and memory card socket/ connection inside of your PC

Dec 10, 2010 | LG Computer Monitors

2 Answers

How to troubleshoot my my benq t52wa that shows no signal detected

If the monitor is showing you a "no signal" message, it's almost certainly working fine. There's no video coming in from the computer, and that's likely where the problem is. Try another monitor first. It's possible yours isn't recognizing the input signal, but it's unlikely. I've only seen that happen twice I can remember. Chances are that another monitor will say "no signal" as well. Either the computer isn't starting up, or the video isn't working.

If you hear all the sounds of a normal startup (usually a single beep when the motherboard finishes power-on tests, hard drive activity shown by the front panel indicator, and finally the Windows startup sound through your speakers), then the video circuitry is bad. If the video is integrated onto the motherboard, you can install a replacement video card in an open expansion slot. If you already have a separate video card you can replace it.

If the computer isn't starting, you need to suspect memory, the motherboard, power supply or processor. You might also have a bad hard drive, optical drive or other device connected which is preventing startup. Begin by unplugging everything except the main parts: memory, processor and fan, power supply and (if used) video card. If the system starts up, you can identify the bad part by reconnecting them one at a time until the problem comes back. If the system still doesn't start with the minimum hardware, part substitution is how you'll figure out which is responsible.

It can be frustrating, but you'll get the thing going. Good luck, and thanks for using Fixya!

Oct 08, 2010 | BenQ FP737S-D 17" LCD Monitor

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Signal has gone

If the monitor comes on and displays a message like "no input signal" or something similar, it's working properly but there is nothing coming from the computer. People often think that the computer is working and the monitor is at fault, when in fact the computer isn't starting up.

When you turn on the computer, do you hear the normal sounds of the power supply fan running and the hard drive spinning? Most computers will give a beep when they turn on and the motherboard finishes some startup checks. Do you hear that? Do you ever hear the normal startup sounds that mean Windows is actually running?

If you are convinced the computer is starting and booting into Windows, I would suggest you borrow a known good monitor to use as a test. If it works, that obviously means yours is bad. In most cases there's nothing you can do to repair a monitor yourself beyond checking for loose connections, bent pins in the signal cable plug, or a damaged cable.

If a known good monitor still has no image, the computer is at fault. Either the video card or integrated video isn't working, or the computer isn't actually starting up. In any case, that's where you would need to start looking for the cause.

Hope this helps you along the way to solving the problem. Thanks fo using Fixya!

Feb 02, 2010 | ViewSonic VX2235WM Monitor

1 Answer

Hi I get a "signal out of range" message until windows xp starts. This means I can't get into safe mode or see start up messages. Any ideas please?

You see "Signal Out of Range" does not mean you cannot go to Safe mode or see startup messages. It shows up when you dont have a display. The refresh rate of your monitor is a little slow. So when you wana go to safe mode, press the Power button and start pressing F8 option and you will get the safe mode option and you will see startup messages when you will get one. Your computer is perfect. :)

All the best.


Oct 09, 2009 | HP L1955 19" 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

Emachine destop not recognising acer lcd monitor

It sounds more like the computer isn't starting up. The "no signal" message is coming from the monitor itself to tell you it's on but there's nothing coming in to display. Normally no special drivers are required for the monitor, and you'd see at least the computer maker's splash screen and BIOS messages if the computer was starting up properly.

You'll need to determine what is keeping the computer from starting up. Make sure it's getting AC power and that the power light comes on when you press the front panel power button. You may need a power supply. If the computer comes on but doesn't boot you may have memory problems or trouble with the motherboard. But your monitor is working properly.

May 10, 2009 | Microtek C593 15" Flat Panel LCD Monitor

1 Answer

Dell Monitor comes on but no picture

The monitor isn't getting a signal from the computer, which is why the power indicator goes orange. There are two possibilities:

1) The computer isn't operating correctly. It may not be starting up at all when you turn it on, and you have a "no boot" problem to solve, or

2) The computer is working properly, shows all the signs of normal startup (hard drive activity, Windows startup sound from speakers, etc.). but video isn't reaching the monitor. There may be a problem with the video card (or on the system board if it's integrated video). Or the monitor itself is bad and not detecting the video. You can test this by connectng a known good monitor.

Jan 16, 2009 | Sceptre X9G-NagaIV 19" LCD Monitor

1 Answer

Monitor works at Startup, then goes black

yes you can fix this problem go in to start menu then control panel then double click display, then screen resulution and add the secondary screen, bc windows doesn't add the screen automaticlly you have to do it this way

Dec 15, 2007 | Computer Monitors

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