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My screen goes blank
while the computer is on.
T he critical low-battery
error message appears,
and the computer
immediately turns off.
T he computer enters
sleep mode immediately
after Power-on.
Note: If the battery is charged and the temperature is within range, have the computer serviced.
T he computer does not
return from sleep mode
and the computer does not
work.
Note: If the system still does not return f rom sleep mode, your system has stopped responding, and you
cannot turn of f the computer; reset the computer. Unsaved data may be lost. To reset the computer, press
and hold the power button f or 5 seconds or more. If the computer still does not reset, remove the AC
adapter, then connect the AC adapter to the computer again and press the power button.
T he screen is blank.
T he screen is unreadable or
distorted.
Your power management is enabled. Do one of the f ollowing to
resume f rom sleep mode:
- Press the power button.
- Press the Windows button. (Tablet mode only)
Sleep problems
T he battery power is getting low. Connect the AC adapter to the
computer.
Make sure that:
- T he battery is charged.
- T he operating temperature is within the acceptable range.
Storage and operating temperature depends upon the actual
temperature. Avoid subjecting your computer to extreme
temperatures (below 5°C/41°F or above 35°C/95°F).
If the computer does not return f rom sleep mode, the battery may be
depleted. Connect the AC power adapter to the computer.
If your computer is in sleep mode, connect the AC adapter to the
computer, then press the Windows button (Tablet mode only) or the
power button.
If your computer is powered-of f , connect the AC adapter to the
computer, then press the power button to resume operation.
Display panel problems
Do the f ollowing:
- If you are using the AC adapter, or using the battery, and the
battery status indicator is on, press F10 to make the screen
brighter. (Notebook mode only)
- Press the power button to conf irm whether the computer is in
sleep mode.
- If the problem persists, f ollow the solution in the next problem
"T he screen is unreadable or distorted."
Make sure that:
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