Lenovo ThinkPad X1 2nd Generation, Руководство пользователя, Страница: 102 / 134

Solution:
The Lenovo has no responsibility for the performance or safety of unauthorized batteries, and
provides no warranties for failures or damage arising out of their use.
Errors without messages
Problem
: My screen keeps blanking when I do not want it to.
Solution
: You can disable any system timers, such as the LCD turn-off timer or the blank timer by
doing the following:
1. Start Power Manager.
2. Click the
Power plan
tab, and then select
Maximum Performance
from the prede ned power plans.
Problem
: When I turn on the computer, nothing is displayed on the screen and the computer does not
beep while starting up.
Note:
If you are not sure whether you heard any beeps, turn off the computer by pressing and holding the
power button for four seconds or more. Turn it on and listen again.
Solution
: Ensure that:
The ac power adapter is connected to the computer and the power cord is plugged into a working
electrical outlet.
The computer is turned on. (Turn the power button on again for con rmation.)
If a power-on password is set:
Press any key to display the prompt for the power-on password. If the brightness level of the screen
is low, increase it by pressing Home.
Type the correct password and press Enter.
If these items are correctly set, and the screen remains blank, have the computer serviced.
Problem
: When I turn on the computer, only a white cursor is displayed on a blank screen.
Solution
: If you have modi ed a partition on your solid state drive by using partition software, information
about that partition, or the master boot record might have been destroyed.
1. Turn off the computer, and then turn it on again.
2. If you still see only the cursor on the screen, do the following:
If you have used the partition software, examine the partition on the solid state drive by using the
software, and recover the partition if required.
Use either the Rescue and Recovery workspace or the recovery discs to restore the system
to the factory state.
If the problem persists, have the computer serviced.
Problem
: My screen goes blank while the computer is on.
Solution
: Your screen saver or power management might have been enabled. Do either of the following:
Touch the TrackPoint pointing device or the touch pad, or press a key to exit the screen saver.
Press the power button to resume from sleep or hibernation mode.
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User Guide