3. If it is damaged, clean the fan and heat sink well, remove it and change the thermal paste. So I tried holding the power button. From what I have gathered, it's either the mobo, CPU, PSU or video card. This is what happened to me on my nine-year-old PC. Occasionally when I turn on my PC the LEDs light up and the fans turn on but no display goes onto my screen. 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. See if there is any component in poor condition that can be replaced or a bad weld. During that time, my computer begins to randomly freeze at random times Normal 0 MicrosoftInternetExplorer4 . no power surge). › Smoke, dead video card or mobo/cpu? Also, there was nothing significant to my knowledge that would have caused this (i.e. If your computer turns on but there’s no display on the monitor, turn your computer completely off and get down next to it before you hit the power button again. 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. Neowin. The only thing that will come on is the light coming from the power button and the computers built-in fan. Computer turns on but no display. I've had my PC for a year. I'll start with the bad news: … Sign In . › computer turns on but no display no beep › Computer turns on then off after 1 second › My computer turns on but I hear no beebs, and › Computer turns on no video HELP!! It wouldn't shut off. Existing user? › Computer turns on but does not display There was no display on the monitor and no beeps from the board. 1. 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 … 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!). It wouldn't wake up from sleep the other day - just a black screen. Now whenever i turn on my computer, it has a blank screen and the fan runs at full speed Now when I turn on the PC, I get no display, and no POST beeps (made sure the internal speaker was plugged in), but all of the fans work. When Harrison Bywater turns on his PC, the power lights and the fan turn on, but no image appears on the screen. You’ll be paying attention to the sounds made by the computer and observing its initial lights closely. 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