User Manual
33
Sleep problems
The critical low-battery error
message appears, and the
computer turns off
• The battery power is getting low.
Connect the AC adapter to the computer.
The computer enters sleep
mode immediately after
Power-on.
• Make sure that the battery is charged.
- The operating temperature may be too
hot. Move to a cooler environment and try
to wake the computer.
The computer does not
return from sleep mode and
the computer does not
work.
• Connect the AC adapter, then press the
Windows button or the power button.
• If your computer is powered-off, connect
the AC adapter first, and then press the
power button to resume operation.
Display problem
The screen is blank.
• Do the following:
- If you are using the AC adapter, or using
the battery, and the battery status
indicator is on, press Fn+F8 to make the
screen brighter.
- If the power indicator is blinking, press
the power button to resume from sleep
mode.
- If the problem persists, follow the
solution in the next problem “The screen
is unreadable or distorted.”
The screen is unreadable or
distorted.
• Make sure that:
- The screen resolution and color quality
are correctly set.
- The monitor type is correct.