turns on but wont display

Dear Computer fans, Seems like my old gaming laptop is almost dying. Few weeks ago it still worked. Now I've tried to start her up and the screen didn't turn on. When I connected it by HDMI to the TV it worked. So for me it cant be an driver problem I guess. Because before it worked...

https://pcpartpicker.com/list/nhtwMb I have just built my first system. The components are as seen in the link above. I cannot get anything to display on my monitor. When I power the system on, here is exactly what happens: The RAM LED on the motherboard goes red for a second or two, then...

I’m was fixing a pc and came to the conclusion that the motherboard or processor wasn’t working. So I replaced the 2. The pc contains: i5-4690 ASU’s gtx 750 Gigabyte ga h81m dsv2 motherboard Corsair vengeance ram it now won’t display but sometimes when I change parts it decides to boot but...

I’m sort of a beginner looking forward to learning so fixing this would be great. https://pcpartpicker.com/list/ddWYjc So my PC had this issue where my XMP profile would not stay. After some time of running and waking up the PC, it would revert back to 2133. So i was told updating the BIOS...