It will disappear after a fews seconds. My computer itself turns on - fans, lights, etc. i tried cleaning the … PC turns on, but no peripherals work Please help, the processor is a AND FX3600, and running win8.1 and won't turn off UPDATE: THE beeper beeps for three seconds and then repeats i built it yesterday, but when i turn it on, the fans and lights all come on but no display or usb usage is there. When Harrison Bywater turns on his PC, the power lights and the fan turn on, but no image appears on the screen. Report. You should see “No Input” even if its not connected and the PC is off. Unlike the computer, a peripheral is incapable of operating by itself and relies on the computer to function properly. With the PC turned OFF turn the monitor OFF, then after 5 seconds switch on again. ... and SATA connectors which plug into peripherals like the hard drive and optical drive (SATA connectors have a long, narrow L-shape). I'll start with the bad news: There's a … Otherwise it could be the motherboard itself has failed, the CPU, or the display card. Try disconnecting all your peripherals to see if that’s the core problem. Newer peripherals like new Wi-Fi printers can now operate without being directly connected to a computer. 2) Disconnect all peripherals (your … My mouse/keyboard/mic lights don't turn on, and my monitor is receiving no signal (even though it is receiving power because it's plugged into its own outlet). To find the roles or functions of each of the peripherals, click on each of the above links. are all going - but none of my peripherals are receiving power. If not it could be a monitor fault. Try someone else's on your computer or yours on theirs. Sometimes, certain peripherals connected to your computer may also cause the black screen issue. If you see this message then the computer graphics section or … Computer turns on but no signal or usb ports working ... it but with the vga cable connected it just still says no signal and the lights on the mouse or keyboard dont seem to work. it was working perfectly fine before I left for the weekend. Prathis Jun 3, 2010 at 05:32 AM. The monitor should be showing "No signal" if the computer itself is not working. Monitor, keyboard or mouse will not work. The Dell peripherals don't work on my Lenovo--W7--computer, but the other ones work fine on that computer. [Troubleshooting] PC start up, fans work, no display or usb Hello, I have been trying to built a little pc out of components that i have removed from my gaming PC. ... tell whether the POST failure is being caused by a faulty PSU or a bad RAM module if you only have the one machine to work with. Note. 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