Hi When i turn pc on I hear it starting up and working but on the monitor it says no signal, check input cable ( or similar words )
I hae cleaned and reseated my graphics card & my ram stripes and no joy !
could it be the motherboard thats the problem ?
any help really needed
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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.
Hi, I assume this is a Desktop computer: The Monitor receives, graphics or text from the PC (personal computer) and displays it on the screen.of the Monitor. If you see a message on the screen that says * NO SIGNAL * in most cases the Monitor is good, and the Monitor is either not connected to the PC or there is a problem with the PC Check the connections and the video card. The problem could also be related a failure of the motherboard, memory or the processor
Make sure the correct input is selected. This monitor has both analog (VGA) and digital (DVI) inputs, and it may not be automatically detecting the input you're using. If the proper input is selected and the monitor still says there isn't any input signal, about the only option is to replace the monitor or try to find a replacement signal board from an online source. Most repairs need specialized tools to diagnose and then change the bad parts.
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!
Hi Rick, Most common cause of this error is when the video signal cables are knocked off rendering the connection from the monitor to the CPU loose. Turn off the PC and secure all connections. Have you had your computer moved or repaired where you need to remove connections? Some PCs have more than one video cards (video output) and you may have connected it in the wrong video port. You can isolate the problem further by connecting your CPU to a known working monitor (office, freind's, neighbor, 2nd home PC). The other way is to isolate the problem is to connect your problematic monitor to a known working PC and see if video will be displayed. If video is present, your CPU's video card has gone bad or the contacts are not seated properly in the slot. Best Regards