Lenovo ThinkPad 560Z Notebook PC Model 560Z manual Codes or, Messages

Title: C79FPMST CreationDate: 06/22/98 12:26:52

Troubleshooting Charts

No

Error

Codes or

Messages

Problem

Action

The

screen

is

blank

andIf a power-on password is set, press any

key to display the power-

you

don't

hear

any

beepsprompt,.

and

then

type

the correct

passwordEnter

(seeandpresspage 70).

Note:

If

you

are

notIfsurethe power-on password does not

appear, the brightness control might

whether you heard anyto minimum brightness. Adjust the brightness.

beeps,

power

the

If the screen still remains blank,

make

sure

that:

computer

off;

then

power

The

battery

pack

is

installed correctly.

it on again, and listen

again.

The AC Adapter is connected to

the computer and the power cord i

If

you

are

using

an

plugged

into

a working

electrical

outlet.

The

computer

power

is

on. (Power on

the

power switch again for

external

monitor, go

to

confirmation.)

“External

Monitor

Problems”

on

page 124.If

these

items

are

correct and

the

screen remains blank, have the

serviced.

The screen is blank andHave the computer serviced. you hear a continuous

beep, or two or more beeps.

Only the cursor appearsReinstall. your operating system and power on the computer.

If you still have a problem, have the computer serviced.

Chapter 4. Solving Computer Problems111