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If the computer is overheating, the fans that keep the processor, video card, or power supply cool may have failed.
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For that reason, we recommend replacing an overheating monitor. The cost to fix it is likely more than the cost of buying a new monitor. If the computer overheats, the computer may stop sending a signal to the monitor, and may also shut down to prevent further damage to the computer hardware.įixing a monitor that is overheating is generally not worthwhile. In the event of the monitor overheats, it stops working to prevent further damage. If the monitor works for a while, then stops working and displays the "No input signal" message, the monitor or computer may be overheating. Monitor works for a while, then loses signal A short in the motherboard or a bad capacitor are common causes for a computer motherboard to not pass the POST process. If the POST process is failing and the computer is not starting up, the motherboard could be at fault. The "No input signal" message can sometimes appear if the POST process is failing, and the computer cannot boot properly. Verify your computer is getting past the POST process and that it is starting up.
#Cpu led comes on and no input on monitor how to#
See: How to install a computer video card. You could also install a new video card instead of replacing the motherboard.
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If you believe your video card is bad and your computer has an onboard video, the motherboard needs to be replaced.
#Cpu led comes on and no input on monitor update#
The NVIDIA Firmware Updater will detect whether the firmware update is needed, and if needed, will give the user the option to update it.
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Without the update, systems that are connected to a DisplayPort 1.3 / 1.4 monitor could experience blank screens on boot until the OS loads, or could experience a hang on boot. To enable the latest DisplayPort 1.3 / 1.4 features, your graphics card may require a firmware update. NVIDIA GRAPHICS FIRMWARE UPDATE TOOL FOR DISPLAYPORT 1.3 AND 1.4 DISPLAYS Thought I'd share it here in case you were still experiencing issues. You May need to update your Displayport firmware. I found another post with someone else having the same issue and a fix which has worked for me. I was having the same and found your post. Not sure if you're still having this issue.
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