Lenovo ThinkPad 300 Service Guide - Page 34

Battery

problems

Problem:

The

battery

does

not

charge.

-or-

The

operating

time

for

a

fully

charged

battery

is

short.

-or-

The

battery

cannot

be

fully

charged

by

the

power-off

method

in

the

standard

charge

time

for

the

computer.

Solution:

For

details,

see

″

Problem

solving

″

in

Access

Help

Problem:

The

computer

does

not

operate

with

a

fully

charged

battery.

Solution:

The

surge

protector

in

the

battery

might

be

active.

Turn

off

the

computer

for

one

minute

to

reset

the

protector;

then

turn

on

the

computer

again.

Problem:

The

computer

shuts

down

before

the

battery

status

indicator

shows

empty.

-or-

The

computer

operates

after

the

battery

status

indicator

shows

empty.

Solution:

Discharge

and

recharge

the

battery.

AC

adapter

problems

Problem:

The

AC

adapter

is

connected

to

the

computer

and

the

working

electrical

outlet,

but

the

power

adapter

(power

plug)

icon

is

not

displayed

on

the

task

bar.

Also

the

AC

power

indicator

does

not

light

up.

Solution:

1.

Make

sure

that

the

connection

of

the

AC

adapter

is

correct.

For

connecting

the

AC

adapter,

see

the

Setup

Instructions

manual

included

in

the

shipping

contents

of

your

computer.

2.

If

the

above

step

is

correct,

turn

off

the

computer,

then

disconnect

the

AC

adapter

and

uninstall

the

main

battery.

3.

Reinstall

the

battery

and

reconnect

the

AC

adapter,

then

turn

on

the

computer.

4.

If

the

power

adapter

icon

still

does

not

appear

on

the

task

bar

and

the

AC

power

indicator

does

not

light

up,

have

the

AC

adapter

and

your

computer

serviced.

26

ThinkPad

®

X300

Service

and

Troubleshooting

Guide

Lenovo ThinkPad 300 Service Guide - Page 34

Battery, problems, adapter - thinkpad x300 manual

Page 34 highlights