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Moved my pc and re-connected monitor to tower and no longer get any display. monitor works ok on another computer. also checked with spare monitor on tower and also got no display.

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Sometimes all you have to do is blow to ******* a pc to have something break. Try a new video card.

Posted on Aug 17, 2008

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1 Answer

I have nothing to plug p3 and p4 into when all on no signal


Sometimes if a VGA cable is not screwed into to both your Tower and your Monitor, it can get loose and thus resulting in no signal.
Another cause of a Monitor Displaying the no signal message would be due to the Graphic Card failing, or possibly due to the Graphic Card not correctly being seated.

Other Thoughts
--------------------
Usually P3 and P4 refers to a cable on your power supply that needs to be attach to your motherboard to supply extra power.

Note:
If your P4 cable is not plugged in before turning on your computer, this will also result in your Monitor displaying the no signal message.
Keep in mind though, if your computer has not been opened or is not a custom built PC, you should not have to worry about such issues as your P4 cable should in theory be connected. However I guess safely checking won't hurt anyone.

Mar 30, 2015 | PC Desktops

1 Answer

The monitor keeps saying no signal


Turn power off to the tower and the monitor before making any connection changes.Make sure that the Blue connector from your monitor is connected to the Blue connector on the back of the computer tower. If this doesn't work you should try the monitor with another computer, just to check that the monitor is working. If the monitor works on another computer you may need to buy a Graphics Card. Next, try another monitor with your tower- If the problem still exists it is likely you need a Graphics Card.

Mar 19, 2011 | Acer Aspire X1300 (PV.SCC0X.002) PC...

1 Answer

My computer will not start, when I turn the computer on it has a blank screen. How can I fix my computer?


try to go BIOS AND CHECK THE DISPLAY,IF THE DISPLAY IS OK THEN TRY BELOW
1.check the power connection of the computer
2.check the power connection for monitor or any loose connection.
still nothing is coming do the next.
turnoff the computer completely,disconnect the powercabel,disconnect all the external devices press and hold down the power switch on the tower for 30 seconds,reconnect the power restart the computer.

Sep 16, 2010 | PC Desktops

1 Answer

My monitor has gone to Power Save Mode


Hello,
If your monitor is going in Power save mode it can be cause by following reasons.
>Check the data cable going from monitor to your Dell Dimension 4600 Tower is connected properly.The connector will be blue or white in colour.
>If the Dell Dimension 4600 Tower is powering on.

If still in power save mode then try to shutdown Tower and monitor,disconnect power cable from tower and monitor.Hold the power button on tower for 15 seconds.Then again try to connect monitor and check,if still nogo,and if tower has no lights then issue with motherboard or video card or power supply.If possible try connect spare known good monitor.

Thankyou

Sep 09, 2010 | Dell Dimension 4600 PC Desktop

1 Answer

HP rp5700 appears dark and its not the touch


Disconnect the monitor cable from the computer tower, turn on the monitor, if no display available, the monitor gone bad, else if getting message " Check video cable", either the data cable for connecting the monitor to the tower needs to be changed or the motherboard needs to be tested thoroughly.

Jun 29, 2010 | HP rp5700 POS Terminal PC Desktop

1 Answer

No display on monitor when turning computer on


Please connect the cable from the tower to monitor firmly. If this is gone bad, you can change the cable. Please turn on the monitor and connect it to power. You can try to connect this monitor to other computer just to check if it is working fine or not.

Jun 14, 2010 | PC Desktops

1 Answer

My Dell dimension 2400 monitor doesn't work when connected to my tower. It appears that it's off when I connect it to the Dell Dimension 2400 tower, but when I connect the same monitor to another computer,...


Hi! For dell machines when u unplug the video cable/VGA from the tower while the system is on it will show monitor self test.If you are seeing a black box moving around the screen it means that monitor is ok.Check connection between monitor and tower.Make sure cables are securely plugged in.Check if the tower is ok. There is a possibility that your monitor is ok but the tower is not.check the power button (whats the color) if amber/orange, this means there is something wrong the the tower. If its blue or white it means its ok.Also check if you are going to hear one beep, it means system is booting up properly. If tower is ok and you are using a expansion video card then try to use internal one, normally its the vga port above the usbs.If you are going to use onboard video card make sure you enable it first in bios.If all things fail, contact your manufacturer, if the system is under warranty then they will send a tech to check the machine.hope this helps...

May 28, 2010 | Dell Dimension 2400 PC Desktop

3 Answers

Power saving mode upon start up




i) usually an computer enter's into power saving mode if computer monitor is not receiving any singals from the computer tower, so it has nothing do withur computer monitor(computer monitor is working fine), there is some problem withur computer tower.

ii) now try  removing all the physical connections going to computer tower(back side), wall socket  and replace them ....., (to avoid loose connections) 

   now see whether ur computer is turning on and working properly so that your computer monitor receive singals ....

  let me know what is happening

Thanking you

M. Sridhar

Jan 01, 2009 | HP Pavilion a450n PC Desktop

1 Answer

No signal display on monitor.


Hello,
1. Check all the connections to make sure they are connected securely and properly. 2. Open your tower case and make sure you video card is seated properly by removing it and then placing it back in the slot. While you have the case open it would be a good idea to clean the inside of it out with some compressed air (remember to always unplug your system from the power source when working inside it unless you are a qualified technician). 3. If problem continues, try using another monitor to check if your monitor has gone bad. If it displays ok on a different monitor then your monitor is bad, if it still does not display you may need to replace your video card.

Jul 04, 2008 | E-Machines eMachines Desktop PC

1 Answer

Speakers killed my moniter


Well as you have already tried disconnecting the peripherals from your computer, and tried restarting the computer too which did not help you, it sounds to be an hardware issue with the monitor. However if incase you have not tried this, you can disconnect the monitor completely from the tower, power on the monitor, if it powers on and you get a message as no signal, your monitor is working good. If not replace the monitor. If the message appears on the monitor screen, disconnect everything from the tower, push and hold the power button on the tower for a minute. Connect just the monitor and check for any display. If you do get display, thats good, connect one device at a time and check to see if the display appears.

If theres no display with just the monitor connected, the issue would be with the graphics card. You may need to replace it or get the system repaired.

May 27, 2008 | Dell Dimension 2400 PC Desktop

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