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.