Laptop screen goes black after inactivity (backlight still on). Won't wake up.

[Laptop-bad]

I just got the Gigabyte P35x and am observing this problem happen constantly and is very reproducible.

After some time of inactivity, (>2 hours) the screen goes black, backlight still on. After it goes in that state I can't wake it up, the only thing I can do is force close it and then start it up again.

Things I did:
Made sure the laptops is not set to sleep
Reset to default and then made laptop not sleep
Looked if boatware had power settings(didn't)
Uninstalled all bloatware
Update graphics drivers

Additional notes: if the laptop actually goes to sleep / closes screen it wakes up normally (though I haven't tried letting it sleep for >3h to test if while sleeping it still affects it).

 

[velo3100]

You could try making the hdd to never switch off.