Lenovo YOGA 310 - Troubleshooting Display Problems; Troubleshooting Sleep Mode Issues

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Chapter 4. Troubleshooting
Troubleshooting - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
Display problems
When I turn on the
computer, nothing
appears on the screen.
• If the screen is blank, make sure that:
- The AC power adapter is connected to the computer, and
p
lugged into a working electrical outlet.
- The computer power is on. Press the Power button again for
co
nfirmation.
• If t
hese items are properly set, and the screen remains blank,
have the computer serviced.
When I turn on the
c
omputer, only a white
cursor appears on a blank
screen.
• Restore back
ed-up files to your Windows environment or the
entire contents of your hard disk to its original factory contents
using the Lenovo OneKey Recovery System. If you still see only
the cursor on the screen, have the computer serviced.
The screen goes blank
whil
e the computer is on.
• Your screen saver or power management may be enabled. Do
one of the following to resume from sleep mode:
- Press any key on the keyboard. (Notebook mode only)
- Press the Power button.
Sleep problems
The critical low-battery
error message appears,
and the computer
immediately turns off.
• Th
e battery power is getting low. Connect the AC power
adapter to the computer.
The computer enters sleep
mo
de immediately after
Power-on self-test (POST).
• Make sur
e that:
- The battery pack is charged.
- The operating temperature is within the acceptable range.
See “Chapt
er 2. Use and care Information” in the Lenovo
Safety and General Information Guide.
Note: If the battery pack is charged and the temperature is within range, have the computer serviced.
The computer does not
return from sleep mode,
and the computer does
not work.
• If y
our computer is in sleep mode, connect the AC power
adapter to the computer, then press the Power button.
• If t
he system still does not return from sleep mode, stops
responding, or cannot be turned off, reset the computer.
Unsaved data may be lost. To reset the computer, press and
hold the Power button for eight seconds or more. If the
computer is still not reset, remove the AC power adapter.