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I have just built my own computer. After I set it up the monitor says. No signal coming from computer. Going into power save mode. What is wrong? I have checked the wiring.

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That message is telling you the monitor has power and is connected to the computer, but that there's no video coming in. This means that either the computer's never starting up, or there is a problem with the computer's video card.

Do you know for sure that the computer is actually starting up? The power may be coming on, but nothing is going beyond that. Check any jumpers on your motherboard to be sure they are in the proper places. Most boards don't have any, but yours might be different. There is often a "clear CMOS" jumper near the backup battery on the motherboard. Some boards ship with the jumper in the "clear" position, and this can prevent the system from starting.

Make sure you have both power supply connectors plugged firmly into the motherboard. There are two: the 20- or 24-pin main power connector and a 4-pin connector for processor power. Then install only the memory, processor and cooling fan. If your motherboard doesn't have integrated video, plug in the video card as well. Don't install any other cards or the cables connecting hard disks and optical drives. You want to see if the system will start with the minimum hardware.

If your computer starts up and displays video with the minimum hardware installed, put everything else back together and try it again. If everything is normal, you may just have had a loose power supply connection. If you're back to a no-boot condition, one of the other parts is causing the trouble. You'll be able to isolate which is the culprit by removing one piece at a time, then restarting the computer. When you disconnect the bad part the problem will clear up, and you'll know what you need to replace.

If your computer continues not to start up with only the minimum hardware connected, you have a bad power supply, motherboard or processor. You'll need to figure out by parts substitution which one it is.

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

Posted on Oct 01, 2010

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1 Answer

Power light only


may not be getting signal from computer. check computer connection to monitor.
May have cable in wrong port on computer.
Some monitors go into a power saving mode when no signal is detected.

Jan 25, 2015 | Computers & Internet

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LG 2542T goes dark after showing "analog power saving mode" message


Can you try the screen in another computer? I beleave the screen goes into power saveing mode when there is no input signal, thats what both my screens do.

Is your computer working?

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I have a dell studio 540 desktop, I need to restore to factory settings but my monitor will not stay open. It opens for a few seconds then immediately goes into power saver mode and turns off, how can


I see two things here, but need clarification;

1) Monitor goes to Power Saver Mode, then turns -> OFF?

Sure that monitor didn't go into Standby Mode?

2) Why are you performing a restore back to factory settings?
Pick up a virus?

Primer;
The monitor receives a signal. A video signal. The video signal comes from the computer.

If the monitor is NOT receiving a video signal, then the monitor will state No Signal.
This is for older monitors.

New monitors do not state No Signal anymore.
It's Power Saver Mode, or Sleep Mode.

If the monitor is truly OFF, the Power On button will Not be lit up.
Or the Power On LED light on the monitor.

Monitor power on LED is lit, or Power On button is lit?

Monitor is not receiving a video signal;

Use a monitor cable from a KNOWN to be working monitor, for a temporary test.
OR,
Use a Known to be working monitor, and it's monitor cable.

Need to find out if monitor cable is good.

Monitor cable checks out good?

Then problem is computer.

The two leading issues with desktop computer failure, is;

1) Computer is dirty inside
2) Power Supply inside computer is bad.

Please post back in a Comment.
Regards,
joecoolvette

Mar 27, 2013 | Computers & Internet

1 Answer

I have a lg flatron LCD w1934s-bn when I switch on the computer display coming and with in seconds monitor going in power saving mode. I change the VGA cable, change the system also same problem.


If your monitor goes into Power Saving Mode with different computers, it is most likely the signal input board in the monitor. I'm sorry to tell you your monitor is shot. It is probably repairable if you can find the correct board. Monitors are relatively inexpensive at the moment, and going by the "VGA only" input, it is time to upgrade, You will also get better resolution and picture quality.

Apr 20, 2012 | Computers & Internet

3 Answers

Analog power saving mode


If its going to analog power saving mode, that is what its supposed to do when it does not get a recognizable connection from a computer vga port. I would suggest coming back on with some more information about your computer and suggest testing another screen on your pc.

Oct 31, 2009 | LG 22" FLATRON LCD Monitor

1 Answer

My Dell monitor is stuck in Power Save Mode. Any


The monitor is not receiving signal from the computer. Verify the computer is on and the monitor input is set to the correct mode or auto. Try another monitor if possible.

Aug 10, 2009 | Computers & Internet

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Problem Using stand alone monitor with laptop computer


signal out of range suggests that your laptop is asleep..open the display settings, and disable those, until you get this resolved.

Oct 15, 2008 | Dell Inspiron 8600 Notebook

1 Answer

Computer monitor comes on for 1 seconds, flashes "analog power save mode" and then goes black.


Most monitors will say "Power save mode" when they can tell through residual voltage that the signal lead is plugged into a machine, but there's no picture being transmitted. The four states of a monitor are:

* Off entirely.
* Switched on, plugged into a computer but no video signal being received - usually displays "analog power save mode" or "digital power save mode" for a few seconds, then blanks. Comes back to life the moment a video signal is received. This state is the default in full power saving mode.
* Switched on, not plugged into a computer. Some monitors don't display anything, some go into power saving mode, some fly "CHECK SIGNAL CABLE" or a similar message around the screen. Picture is restored when the signal cable is plugged back into the computer
* On fully, receiving an image, and displaying.

Hope this helps.

Jun 01, 2008 | Computers & Internet

3 Answers

My LG Flatron L1511S 15 in. Flat turned into Power Saving mode when I plug in serial cable!


if the monitor showing powersaving mode, monitor is ok. It must be your CPU complaint.

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Monitor


-Turn off both computer and monitor
-unplug monitor from computer(still plugged into power supply)
-turn on computer and monitor(monitor is still unplugged)
-After computer is on for about 30 sec. plug monitor into computer
-turn off both monitor and computer(now connected together)
-turn on monitor then computer and should be good to go!!!

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