Lenovo IdeaPad U460 Lenovo IdeaPad U460 UserGuide V1.0 - Page 61
Troubleshooting, A Password problem, The system cannot be, switched from highperform
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Chapter 5. Troubleshooting The system cannot be • If you are outputting the screen to an external switched from highperform- display through an HDMI cable, you might not be ance GPU to power-saving able to switch to power-saving GPU. Change the GPU. display device back to the LCD display of your notebook before you switch to power-saving GPU. A Password problem I forgot my password. • If you forget your user password, you must take your computer to a Lenovo authorized servicer or a marketing representative to have the password changed. • If you forget your HDD password, a Lenovo authorized servicer cannot reset your password or recover data from the hard disk. You must take your computer to a Lenovo authorized servicer or a marketing representative to have the hard disk drive replaced. Proof of purchase is required, and a fee will be charged for parts and service. • If you forget your supervisor password, a Lenovo authorized servicer cannot reset your password. You must take your computer to a Lenovo authorized servicer or a marketing representative to have the system board replaced. Proof of purchase is required, and a fee will be charged for parts and service. 47