Note:
This driver/utility is for the Windows 8 Beta Support Program and intended for testing purposes only.

	Supported Think Systems
	Supported Operating Systems
	Summary of changes
	Installation Instruction
	Uninstallation Instruction
	How to change the Resolution and Color Depth
	Determining which Version is Installed

ThinkPad Systems:

• T420, T420s
• T520
• W520

• Microsoft Windows 8 (64-bit) Beta

Where:

• [Important] Important update
• (New) New function or enhancement
• (Fix) Correction to existing function

Version 9.18.13.0497/9.17.10.2791

• (New) Updated version

[Install Optimus Drivers (Intel and NVIDIA Drivers for Windows 8)]

1. Boot Windows 8 and logon with administrative privileges.
2. Copy the ZIP file to your HDD, for example C:\TEMP, then unzip it. If you are using PKUNZIP (D0S), specify '-d' option.
3. Open Command Prompt window as Administrator.
4. Change directory to where the driver was unzipped in step 2.
5. Run Setup.bat
6. If "Hardware installation" or "Software installation" window appears, click on Continue Anyway.
7. Restart the system.

[Install Intel or NVIDIA Drivers Individualy by Setup.exe (Windows 8)]

1. Boot Windows 8 and logon with administrative privileges.
2. Copy the ZIP file to your HDD, for example C:\TEMP, then unzipit. If you are using PKUNZIP (D0S), specify '-d' option.
3. (a) For NVIDIA: From the root directory of the extracted package, change directory to NVIDIA folder.
   (b) For Intel: From the root directory of the extracted package, change directory to Intel folder.
4. Locate SETUP.EXE, then double click to run it.
5. Follow the instructions on the screen. If "Hardware installation" or "Software installation" window appears, click on Continue Anyway.
6. Follow the instructions on the screen.
7. Restart the system.

[Uninstall Optimus Drivers]

1. Uninstall NVIDIA Display Driver.
   Please refer to 'Uninstall NVIDIA Drivers'.
2. Uninstall Intel Display Driver.
   Please refer to 'Uninstall Intel Drivers'.
3. Restart the system.

[Uninstall NVIDIA Drivers]

1. Open Control Panel.
2. Double-click the 'Programs and Features' icon.
3. Select the "NVIDIA Drivers" item in the listbox.
4. Click the 'Uninstall' button to remove the display driver.

[Uninstall Intel Drivers]

1. Open Control Panel.
2. Double-click the 'Programs and Features' icon.
3. Select the "Intel(R) Graphics media Accelerator Driver" item in the listbox.
4. Click the 'Uninstall' button to remove the display driver. The utilities should be removed as well if they were installed with the driver.

[Resolution]

1. Right-click on desktop then select "Screen resolution" from the pop up menu.
2. Select resolution.

[Color Depth]

1. Right-click on desktop then select "Screen resolution" from the pop up menu.
2. Click on Advanced settings.
3. Go to Monitor tab.
4. Select color depth.

1. Boot Windows.
2. Open Device Manger.
3. Right click on 'NVIDIA N12...' or 'Mobile Intel(R)... Graphics' under Display adapters. Select Properties.
4. Click on 'Driver' tab. Then you will see the Driver Version.