Power light comes on and I can hear the fan, but the screen never shows anything, not even the HP logo. Held the power button for 30 seconds already. Is this the display or something on the board?
Every now and then thin black lines run across the screen and flicker for a second. Only on one monitor, the other is fine. Tried another cable already. Is the monitor on its way out?
My HP turns on, the power light and keyboard backlight come on, the fans spin, but the screen stays completely black. No HP logo at all. Holding the power button for 30 seconds didn't help. Anything I can try before taking it in?
The power light on my monitor is on and it shows the brand logo when I switch it on, then black. PC fans are running and the keyboard lights up. Already tried a different HDMI cable. What should I check next?