ventialtion

Hello. Just like in title, the case fans stopped spinning. Here's the thing though, I had problem like this few days ago, but I updated BIOS and the fans started working again (though not immediately, so not sure if updating bios was the thing that helped). Now problem has occured once again...

If I use my laptop on bed when i do light task like office etc. In these scenario temps are near 45-55C. But at this temp my fan dont kicks. My fan starts to work mostly after temp 60-65C. The back side of my laptop is fully covered (i.e no vent ) except for fan (which is a very little...

I have an hp omen obelisk 875-0034 and I am wondering if I can upgrade my 1660ti to an etc 2070 or 2060 super. Also, will I have enough ventilation because I raised the computer off the ground so it could ventilate more.