There are some issues with my Brother's computer, I have somewhat diagnosed the problem and it has to do with the PSU not delivering enough power to the dedicated GPU. I can not take the card out an assume that it is broken, simply because I have no packaging to put it in and if it is still working it will get damaged and I cant take it to the shop until next week (the repair shop is across the city). Is there any way to disable the card or turn it off and switch to inboard graphics without physically removing it? Sometimes it won't even boot and just keep flashing an error message. It will eventually turn on by restarting it several times, which is quite irritating. Is there a way to do that? The gPu is an HD3650 512mb AGP and the BIOS is AMI. I am unsure of the motherboard but can figure it out if needed.