You can take out the graphic card and then try to uninstall the graphic card driver. From Device Manager, click View --> Show Hidden Devices if you can't uninstall it like this follow bellow instruction.
Boot the computer into Windows Recovery Environment and open the Command Prompt.
Display information about all drivers in an offline operating system.
Code:
Dism /image:D:\ /Get-Drivers
Replace the
D:\ drive letter with the assigned drive letter of the Windows OS installed partition.
Display information about an INF file installed.
Installed 3rd party drivers will be named OEM1.inf, OEM2.inf, and so on.
Use the Published Name from the /Get-Drivers list to view information on installed drivers.
Code:
Dism /image:D:\ /Get-DriverInfo /Driver:oem1.inf
Replace the
D:\ drive letter with the assigned drive letter of the Windows OS installed partition.
Also replace the
oem1.inf driver name with driver name you want to view its details.
Removes driver package from an offline Windows operating system.
Code:
DISM /Image:D:\ /Remove-Driver /Driver:oem1.inf
Replace the
D:\ drive letter with the assigned drive letter of the Windows OS installed partition.
Also replace the
oem1.inf driver name with the driver name of the driver you want to uninstall.