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The battery completely discharged and left in the computer for a long time.
A cool battery is installed in a warm computer.
In such case, follow the steps below.
1.
Fully discharge the battery by leaving it in the computer with the power on until the
power automatically shuts off.
2.
Plug in the AC power cord.
Charge the battery until the Battery LED shows green.
3.
Repeat these steps two or three times until the battery charge recovers normal capacity.
Monitoring Battery Capacity
Remaining battery power can be monitored by a Pop-up window or by the MaxTime
program, which is available only in Windows. This section explains how to use the Pop-up
window. For information on MaxTime, refer to
The Pop-up window contains a bar gauge that shows how much power remains in the main
battery.
Press Fn + F2 or Fn + F3 to display the Pop-up window. The bar, labeled E (for empty)
and F (for full), is automatically set to full when the battery pack is fully charged.
NOTE
If you open the Pop-up window by pressing Fn + F2 and continue
holding down Fn, pressing F2 again changes the battery save
mode. In the case of F3, the Resume/Boot mode changes. See
Chapter 6, The
Battery Save Mode
E XXXX
F
Power-up Mode
If the battery pack is completely discharged to the point where the computer automatically
shuts down, the graph is set to empty.
The first time you use your computer and when you remove and replace the battery pack,
will appear between
The Pop-up window values are shown below:
Keyboard.
:
Full Power
:
Resume
and
.
E
F
Chapter 11, Setup and Password
Security.
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