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Lenovo G770 manual Switching between Mode 1 and Mode

Models: G770

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Chapter 2. Learning the basics

4On the Switchable Graphics page, the currently active GPU is displayed under the current active graphics processing unit. You can click High-performance GPU or Power-Saving GPU under Choose a Graphics Processing Unit to switch the graphics processor.

Switching between Mode 1 and Mode 2

Switch between the two modes as follows:

1Start your computer under the Windows 7 operating system.

2Click Start → All Programs → Catalyst Control Center, and run the CCC.

3On the Catalyst Control Center setting page, click Power → Switchable Graphics Method, choose Select the graphics processor manually or based on power source, and click Apply.

4On the Switchable Graphics dialog box that appears, click Change to switch between the two modes.

5On the contrary, you can switch back to Mode 1 from Mode 2.

Note: It may take several seconds to switch between Mode 1 and Mode 2.

Prior to switching between the two modes or manual switching between the two GPUs, it is recommended that you close any running applications.

Under the Windows XP or Windows Vista operating system, none of the configurations supports switching between graphics processors, and they can work only under the mode of integrated GPU.

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Lenovo G770 manual Switching between Mode 1 and Mode

Contents

Lenovo G770 Regulatory Notice First Edition March Copyright Lenovo Contents Page Top view Getting to know your computerBuilt-in microphone Touchpad Getting to know your computer IntegratedLeft-side view Optical drive Right-side viewFront view Bottom view „ Configuring the operating system „ Conncting to the powerLearning the basics „ Reading the manuals„ Shutting down your computer „ Putting your computer into sleep state or shutting it down„ Charging the battery „ Checking battery status„ Handling the battery „ Removing the battery packTouchpad Using the touchpad„ Numeric keypad Using the keyboard„ Function key combinations Learning the basics „ Using memory cards not supplied Connecting external devices„ Connecting USB devices Enabling Bluetooth communications on your computer „ Connecting Bluetooth enabled device on select modelsSpecial keys and buttons „ OneKey Rescue system button aSystem status indicators „ Attaching a security lock not supplied „ Using VeriFaceSecuring your computer On select models „ Using passwordsSwitching between Mode 1 and Mode Wired connection Connecting to the InternetConnecting to the Internet „ Software configuration„ Hardware connection Wi-Fi WiMAX Wireless connectionHardware connection „ Introduction OneKey Rescue systemOneKey Rescue system OneKey Rescue system „ Creating a recovery discsOneKey Rescue system Frequently asked questions TroubleshootingWhere can I find warranty information? Display problems TroubleshootingSleep or hibernation problems Troubleshooting Password problemsSound problems Troubleshooting Computer screen problemsBattery problems Hard disk drive problemOneKey Rescue system problems Troubleshooting Startup problemOther problems Appendix A. CRU instructions Replacing the battery packHandling a hard disk drive Appendix A. CRU instructionsAppendix A. CRU instructions Appendix A. CRU instructions Appendix A. CRU instructions Replacing memory Appendix A. CRU instructions Appendix A. CRU instructions Removing the optical drive Appendix A. CRU instructions Trademarks Page New World. New Thinking.TM