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Solve : Monitor won't display anything? |
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Answer» My monitor only displays the "no signal" message. This started happening a few days ago when I booted my computer and the monitor wouldn't display anything. I was able to fix it by turning off the computer for several minutes and turning it back on, with the monitor suddenly working again. This happened repeatedly over the days until today where the monitor won't display anything even after restarting the computer. I can hear the start up vista sounds from my SPEAKERS, but still the monitor won't show anything. Please help.If your system has a video card and the motherboard has a VGA port etc, try moving to the VGA port on the motherboard when the system is running and you see this behavior. I have seen some issues where the video card becomes disabled and the onboard takes priority. If you only have onboard video, then the GPU may be failing. OPTION there is if your system then has a PCI, AGP, or PCIe slot to INSTALL a video card that should take priority over onboard. If your system has a video card and the motherboard has a VGA port etc, try moving to the VGA port on the motherboard when the system is running and you see this behavior. I have seen some issues where the video card becomes disabled and the onboard takes priority. If you only have onboard video, then the GPU may be failing. Option there is if your system then has a PCI, AGP, or PCIe slot to install a video card that should take priority over onboard. Hit right on the head here. 2x this post. If your graphics card isnt getting enough power, then it may fail to boot up. However it still working sometimes sounds more like a BIOS configuration issue.Could just be the power supply not providing enough power. When you boot the computer, does it beep at all? (Single beep is normal, multiple beeps indicates an error based on the beep pattern, no beep indicates something more like a failed piece of critical hardware.) If you get a single beep (indicating the power on self test (POST) has passed), then try a different monitor and see if it displays. If you get multiple beeps, then the board is TRYING to tell you something is wrong. Tell us the model of the motherboard and the pattern you're hearing (it's a series of long and/or short beeps). If you're not getting any beeps at all, first check that the power supply and cables are all firmly connected. Disconnect them all and reconnect them if you have to to be sure. Try booting with unnecessary hardware unplugged (CD/DVD drives, fancy case lighting, etc.). Reseat (pull out and PUT back in) the video card. Make sure it's slot is clear of any dust and (if present) the power cable is firmly connected. Do the same for the memory. If it still won't boot, borrow a known working power supply (of equal or greater wattage) from another computer and try swapping. |
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