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No signal input

Computer froze.sent error, answer came back missing accelator driver. while trying to find it computer froze again. i turned computer back on and monitor says no signal input. I have checked connections and they are fine.

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This sounds like fried graphics card... the clue being the error message before it died,

Does the PC boot so that you can see the Bios Screen, (the very first info that displays) the BIOS screen does not use the windows drivers and would be unaffected if a driver failure occurs,

if this is the case then press f8 on boot to select SAFE mode so you can remove/replace the graphics drivers (in device manager)

if you cannot get bios or safe mode, then try reseating your graphics card first as it may have just worked it way out of its slot (due to expansion of card/slot as system heats/cools)

if this fails to work then a replacement of the graphics card is probably what is required.

Posted on Sep 27, 2008

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How do I get out of no input signal


Hello
The video signal is not getting into your display.
Check the connections on both sides of your cable (display side and display card side). If that didn't help, switch off your PC, make sure youre display card is in its correct place (try taking it out and putting it back again). Switch on your PC and check again. If the problem continues, try replacing your display card.

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In regards to your issue with your monitor: For a monitor to display "no signal input" there is likely a problem with the monitor making a connection to your input source (yes I know duh). First and easiest thing to fix this is to check your cables going between your computer and monitor, if your computer and monitor start out working and then fail to communicate, there is a good chance that the cable might be coming loose just enough that the connection fails. I might suggest that if you have, as you say another computer, that you try swapping monitors to check where the problem lies.

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There is no signal coming from your PC.
excuse some of the solutions as sounding dumb, but we have to explore all possibilities.

Check the power cable going into the computer
Check the power input disconnect switch on the back of the power supply and make sure it is on
If the pc is plugged into a power bar, make sure it is turned on and the breaker isn't tripped
press power on the PC and make sure the lights are coming on.

now for the solutions that may actually help.

disconnect the power from the PC
if the video is on a card, remove and re-seat the video card
hook the power back up, connect the monitor and try again.

the CMOS on the computer may need to be reset.
I hate totally clearing the CMOS, so what I usually do is remove 1 stick of ram and power up. If the system is alive again, power down, put the RAM back in and power back up.
If that doesn't work, turn the system off, put the CMOS jumper to the CLEAR position for 15 seconds, put it back to the Normal position and then power back up.

Basically, if the monitor works on your friends system but not on yours, the the problem is your system, not the monitor (assuming it isn't working fine til it gets into windows...if that's the problem, you have a driver or configuration problem)

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I am not an expert but when I face such a situation I try to clean the junk files from computer and registry by using a good software. This really increase the speed of my computer. You did not mention which windows are you using? Make sure that the keyboard and mouse are properly connected with the CPU. I think the driver files are corrupt and you need to update them.

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Hi, there is a posibility that the issue is caused by your system unit. NO INPUT SIGNAL occurs when system unit fails to start properly. One possible reason is the power good signal was not sent back by power supply to mother board. You can check for any shorts or grounded device in your system unit. If you can reseat all the cables (power cable, IDE cable), expansion cards, memory cards even microprocessor that will be good. Another thing you can try is to power cycle your computer. If you are not confident enough to do those stuff you can call your computer vendor and ask for assistance.

Tirzo

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When i turn monitor on it comes up with vga input no input signal


Hi nobumsteers,

This is most often caused by your VGA cable becoming detached from either the back of your computer or it's connection to the back of the monitor. First, check by unplugging both connections and re-attaching them firmly back into both ends.

If it still displays the no input signal error, then most likely your computer's video card is not transmitting signal to the monitor. So we need to make sure that the video card is working.

If your blue connection in the back of the computer is located near all of the rest of the cables (very close proximity, less than 1 inch apart) then you are using an 'on-board' video card. If you purchase a new video card and place it in one of your lower, available PCI or PCI-Express card slots in your computer and connect your VGA cable to that, you should have video again. But this would be a solution to a defective on-board video card, which if it is still under a warranty should be repaired by your Manufacturer.

Hope that helps.

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