When I turn on the computer, the CPU fan turns on... Jump to content. The only thing that will come on is the light coming from the power button and the computers built-in fan. It wouldn't shut off. So I tried holding the power button. I'll start with the bad news: ⦠no power surge). I tried jumping the CMOS, no change. ⺠computer turns on but no display no beep ⺠Computer turns on then off after 1 second ⺠My computer turns on but I hear no beebs, and ⺠Computer turns on no video HELP!! Existing user? If your computer turns on but thereâs no display on the monitor, turn your computer completely off and get down next to it before you hit the power button again. If it is damaged, clean the fan and heat sink well, remove it and change the thermal paste. There was no display on the monitor and no beeps from the board. Related: Computer wont turn on fan runs loud; Computer fan loud no display - Best answers; Computer fan loud and won't turn on - Best answers; Computer won't turn on fan runs loud - Forum - Hardware; PC unable to boot,but fan is running - Forum - CPU/Desktop ⺠Smoke, dead video card or mobo/cpu? 1. Computer turns on but no display. ⺠My computer turns on with fans no display? Youâll be paying attention to the sounds made by the computer and observing its initial lights closely. Now whenever i turn on my computer, it has a blank screen and the fan runs at full speed Also, there was nothing significant to my knowledge that would have caused this (i.e. Sign In . Few days ago, when i boot up computer , it comes up with the message of system battery voltage is low, i ignored it and continued using computer 2. During that time, my computer begins to randomly freeze at random times Normal 0 MicrosoftInternetExplorer4 . I woke up on Christmas to find that my 8 year old shitty work computer had been replaced with a high end gaming pc (and a new monitor!). I want to make sure this computer last so ive been doing research and there seems to be a lot of people saying putting your pc on ⦠This is what happened to me on my nine-year-old PC. From what I have gathered, it's either the mobo, CPU, PSU or video card. Neowin. See if there is any component in poor condition that can be replaced or a bad weld. ⺠Computer turns on but does not display Occasionally when I turn on my PC the LEDs light up and the fans turn on but no display goes onto my screen. I don't know why the computer won't display anything or turn any of the hardware on, I don't understand why it's stuck in a state of being on but at the same time not displaying anything. After I leave it for a day it will boot up as normal but once again I turn it off and the problem reoccurs. It wouldn't wake up from sleep the other day - just a black screen. 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