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No signal on monitor - Dell Dimension 3000 PC Desktop

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Check that the power is plugged into the back of the monitor and also to the power point, make sure power point is ON. If anything pull plugs out and re-connect both just to make sure.

Make sure monitor cable is also plugged into the back of the computer.
Turn computer on and make sure it beeps and looks like it has hard disk activity to show it is booting into windows. If it doesn't beep or show activity it could be your PC having an issue else it is possibly your monitor.

To double check try your monitor on another PC and try another monitor on your PC to see which has failed.

Posted on Jan 26, 2008


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Posted on Jan 02, 2017


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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?

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.
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.

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I have connected the display

disconnect the signal cable and power on then see the massege on monitors screen "NO SIGNAL CHECK THE SIGNAL CABLE"if it appears then monitor is ok if not then monitor is faulty check the signal cable and replace it if faulty problem will be solved

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Monitor shows ''NO SIGNAL''

This is normal. The monitor is telling you it is not getting a signal from the computer, which is true because you've turned off the computer. The monitor power is still on, however. The monitor power is not controlled by the computer power switch. Just turn it off with its power switch after you shut off the computer.

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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.

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no signal means there is no communication between your monitor and your system unit.check and be sure your monitor signal cable is firmly connected,if nothing happens, try the monitor on your friend's system.if no change then try and replace the monitor signal cable, eyo7

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Most modern monitors use the Horizontal sync line to determine when to go to standby.

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