Hi everyone. I accidentally disabled the integrated Intel graphics on my laptop from the bios when trying to set the dGPU as the main graphics card used by the system.
The laptop is a Sony VAIO VPCSE (also known as PCG-41412L) and the motherboard model is MBX-237 (Rev 1.2).
I remember setting the Integrated GPU to Disabled in a Display settings menu then setting the Primary Display to PEG. After that, I saved the changes then rebooted the laptop.
Since then, it shows nothing on screen, the monitor isn't even on. When I turn on the laptop, the LED are on, the fan is spinning a bit but there is no display and it turns off a few seconds later. I've tried some solutions but no success so far:
Removed the battery, unplugged AC, pressed power button for 50sec
Powering the laptop without battery
Removing the CD DVD drive
Removing HDD
Removing one stick of RAM (the other one is soldered on the board)
Removing the CMOS battery then powering the PC without it
Removing the CMOS battery then pressing the power button for 50s
Replugging the CMOS battery after 40min
Is it possible that changing those settings in the BIOS could have fried something ? Or maybe removing the CMOS battery isn't enough to reset the BIOS (I checked for a jumper but I didn't find one).
I also mention that the CMOS battery isn't a regular watch battery (it is but not directly). It is known as ML1220-M3. Here is a picture of it: http://www.primelec.com/media/catalog/product/cache/1/image/9df78eab33525d08d6e5fb8d27136e95/m/l/ml1220-m3-pic1.jpg
All I did was unplugging the cable from the motherboard.
Any suggestion ? Thank you in advance.
