Hi THM9,
Thank you for posting in the Microsoft Community.
Sorry to know that you are having issues while installing the ATI Moblity Radeon X600 display adapter.
Uninstall the graphic card drivers.
Let’s try the following steps and check if it helps.
Method 1:
You may try running the Hardware and Device troubleshooter and check windows updates for driver updates. You may try installing the same and check.
Method 1:
Step 1:
Follow these steps and check if it helps.
a. ****Press Windows Key +R, type
Control Panel.
b. ****Type troubleshootingin the search bar, click on troubleshooting.
c. ****Click on Hardware and Sound, click on
Hardware and Devices.
d. ****Follow the steps from the wizard to run the troubleshooter.
Step 2:
After running the troubleshooter, check in Windows updates if any drivers’ updates are available for the
Display adapter. If so, install the same and check if it helps.
a. At the Start screen, type
Windows Update.
b. Click or
tap Settings on the right side of the screen, and then select
Install optional updates from the left results.
c. When the Windows Update control panel opens, click on “Check for Updates”
on the top left corner to receive a fresh list of updates.
Method 2:
If the issue persists, you may try to reinstall the drivers.
Step 1:
Uninstall the graphic card drivers.
a.
Press Windows logo +X and select Device manager.
b. Expand
Display adapter and right-click on driver and select ‘uninstall’.
Step 2:
You may refer the Toshiba website and trying installing the windows 7 display adapter drivers in Windows 7 compatibility mode:
Toshiba
Tecra A4 Driver downloads.
Follow these steps to install the drivers in compatibility mode and check if that helps.
a. Download the
driver from the manufacturer’s website.
b. Right-click on the driver setup file and click on
‘properties’.
c. Click on the
‘compatibility’ tab and check the box ‘Run this program in compatibility mode for’ and select Windows 7 operating system from the drop down menu.
d. Click on
‘Apply’ and click ‘OK’ and run the file to install it.
You may also get in touch with Toshiba support and check for Windows 8 driver updates for your system.
Toshiba Support
You may also check the system requirements:
Windows 8 system requirements
If you need further assistance, please reply and we will be happy to help you.