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Utility, Pc-doctor for windows, Power system checkout – Lenovo Z61e User Manual

Page 36: Checking the ac adapter, Power, System, Checkout

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Utility

v

Run

External

Tests

v

Surface

Scan

Hard

Disk

v

Benchmark

System

v

DOS

Shell

v

Tech

Support

Form

v

Battery

Rundown

v

View

Test

Log

v

Print

Log

v

Save

Log

v

Full

Erase

Hard

Drive

v

Quick

Erase

Hard

Drive

PC-Doctor

for

Windows

This

product

is

designed

to

help

you

troubleshoot

and

resolve

problems

related

to

your

computer.

Select

one

of

the

categories

listed

below

to

display

symptoms

and

solutions:

v

CHECK

SYSTEM

HEALTH

v

SYSTEM

AND

DEVICE

TESTS

v

LENOVO

TROUBLESHOOTING

v

CENTER

v

SYSTEM

REPORTS

v

UPDATES

AND

SUPPORT

Power

system

checkout

To

verify

a

symptom,

do

the

following:

1.

Turn

off

the

computer.

2.

Remove

the

battery

pack.

3.

Connect

the

ac

adapter.

4.

Check

that

power

is

supplied

when

you

turn

on

the

computer.

5.

Turn

off

the

computer.

6.

Disconnect

the

ac

adapter

and

install

the

charged

battery

pack.

7.

Check

that

the

battery

pack

supplies

power

when

you

turn

on

the

computer.

If

you

suspect

a

power

problem,

see

the

appropriate

one

of

the

following

power

supply

checkouts:

v

“Checking

the

ac

adapter”

v

“Checking

operational

charging”

on

page

31

v

“Checking

the

battery

pack”

on

page

31

v

“Checking

the

backup

battery”

on

page

32

Checking

the

ac

adapter

You

are

here

because

the

computer

fails

only

when

the

ac

adapter

is

used.

v

If

the

power

problem

occurs

only

when

the

port

replicator

is

used,

replace

the

port

replicator.

v

If

the

power-on

indicator

does

not

turn

on,

check

the

power

cord

of

the

ac

adapter

for

correct

continuity

and

installation.

v

If

the

computer

does

not

charge

during

operation,

go

to

″Checking

operational

charging.

To

check

the

ac

adapter,

do

the

following:

1.

Unplug

the

ac

adapter

cable

from

the

computer.

2.

Measure

the

output

voltage

at

the

plug

of

the

ac

adapter

cable.

See

the

following

figure:

Checkout

guide

30

MT

0660,

0672,

0673,

0674,

0675,

9450,

9451,

9452,

and

9453

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