Error code 43 for my GPU after system restore (had gray screen crash issues ONLY WHEN GAMING). However, checked temps, and it was always between 30-55, which is acceptable. Now pc doesnt want to use the GPU, even though ive dabbled with the gpu drivers to no avail. So im currently using the pc with the built in graphics, 1 HZ display. Might be a hardware error, but I did read that resetting/updating the BIOS might resolve the issue. Im basically trying to eliminate options of what the issue may be. If software 'cleansing' doesnt work, I will send my pc in to a computer work shop and have an expert confirm damaged GPU before I give up on my pc.