When I press power button on laptop nothing happens?

  1. If your laptop doesn’t boot up when you press the power button, most likely, your laptop has a faulty power supply, battery, RAM, motherboard, or video card.

Why my laptop screen is black? We’ll look at some things that can cause a black or blank screen: Connection problems with your monitor or screen. Display adapter driver update issues. Issues with recent system updates or installations.

Accordingly How do you fix a laptop that turns on but no display? Reseat Battery and Cables

  1. Shut down the laptop and close the LCD screen. …
  2. Use an eraser to clean the metal contacts on the battery and the battery bay. …
  3. Reinsert the battery into its bay and reconnect the AC power cord and other cables. …
  4. Power on the laptop and check to see if you can see an image on the display.

Besides, Why does my computer turn on but not boot up? A BIOS misconfiguration could be why your PC won’t start up all the way. If clearing the CMOS does fix your problem, make sure any changes you make in BIOS are completed one at a time so if the problem returns, you’ll know which change caused your issue. Verify that the power supply voltage switch is set correctly.