Booting up new PC, blank screen, previously worked

Nicky42

Reputable
Jun 27, 2016
25
0
4,530
So yesterday I built a PC, turned it on, it showed me bios, it showed me black screen with ''Choose your boot device'', yadi yadi yada,everything was fine. Today I planned to install windows from USB. I turned on my PC, fans were spinning, seemed like everything is working. But my screen is just blank! I have HDMI connection to motherboard and Samsung monitor, right now writing this I am using my old PC and everything is working with the same HDMI cable and monitor. What kinda sorcery is this? (My blank monitor in corner changed HDMI to analog and back to HDMi and then to analog again, if that helps. That means it received at least something.)
 
Solution
I was asking specifications because I was wondering if you had a dedicated card. If so, plugging into the motherboard will not yield a favorable result unless you manually enable onboard graphics in BIOS. Please note that some motherboards will behave unpredictably when you use both dedicated and onboard graphics at the same time.

Nicky42

Reputable
Jun 27, 2016
25
0
4,530
Nevermins this. I am the biggest moron in the world. I wondered why i could boot it yesterday - because i didnt had GPU plugged in. Now I removed GPU, and PC booted.
 
I was asking specifications because I was wondering if you had a dedicated card. If so, plugging into the motherboard will not yield a favorable result unless you manually enable onboard graphics in BIOS. Please note that some motherboards will behave unpredictably when you use both dedicated and onboard graphics at the same time.
 
Solution