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Chapter 5. Troubleshooting
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Troubleshooting -------------------------------------------------------------------------------------
Display problems
When I turn on the computer, nothing appears on the screen.
•If the screen is blank, make sure that:
-The battery is installed correctly.
-The AC adapter is connected to the computer and the power cord is plugged into a working electrical outlet.
-The computer power is on. (Press the power button again for confirmation.)
-The memory is installed correctly.
•If these items are properly set, and the screen remains blank, have the computer serviced.
When I turn on the computer, | • Restore the system partition to its original status or a |
only a white cursor appears on | previously created |
a blank screen. | Recovery system. If you still see only the cursor on the |
| screen, have the computer serviced. |
My screen goes blank while the | • Your screen saver or power management may be enabled. |
computer is on. | Do one of the following to exit from the screen saver or to |
| resume from sleep mode: |
| - Press any key on the keyboard. |
| - Press the power button. |
| - Press Fn+F2 to confirm whether the backlight for the LCD |
| screen has been turned off. |
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Password problems |
|
I forgot my password. | • If you forget your user password, ask the system |
| administrator to clear your user password. |
| • 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. |
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