IBM C79EGMST manual Troubleshooting Charts, mode.Do

Title: C79EGMST CreationDate: 02/10/98 09:24:42

Troubleshooting Charts

Problem Action

Error19 appears and tThe battery pack power is getting low. Connect the AC Adapter to the

computer immediately computer, or replace the battery pack with a fully charged one. turns off.

The computer

does

not The

computer

automatically

enters

suspend

or

hibernation

mode

when

the

return

from

suspend

battery

power

is

exhausted. Do

one

of

the

following:

mode,

or

the

suspend

Replace

the

battery

pack

with

a

fully

chargedFn .one

and

then

pres

lamp stays

on

and the

Connect the AC Adapter to the computer;Fn .then press

computer

does

not

work.

The LCD is blank after

Check if

an

external

monitor

was

connected before the computer entere

resuming.

suspend

mode.Do

not

disconnect

the

external

monitor

while

the

computer

is

in

suspend

mode

or

hibernation mode.

If

no

external

monitor

is

attached

when the

computer

resumes,

the

LCD

remains

blank

and

output

is

not

displayed.

This

restriction

does

not

depend on the resolution value.

Your computer does

notCheck if

the

suspend or hibernation mode is disabled.

enter

suspend

or

If

you

are

using the AC Adapter and your computer is connected to

hibernation

mode.

do

the

following:

For

Windows

95:

1. Start

the

ThinkPad

Configuration

program.

2.

Click

onPower

Management

(

).

3.

Click

Hibernation

tab.

4.

Make

sure

that

hibernation

mode

is

enabled.

For

Windows

NT:

1. Start

the

ThinkPad

Configuration

program.

2.

Click

onPower

Management

(

).

3.

Click

on

theSuspend/Resume

Options

(

).

4.

Make

sure

that

hibernation

mode

is

enabled.

5. Click

onOK .

Chapter 4. Solving Computer Problems125