IBM 5000 manual Troubleshooting, Monitor, General

Troubleshooting

Monitor

Problems

Action

The

screen is

blank.

Verify

that:

1. The

system power

cord

is

plugged

into

the

system

and

a

working

electrical

outlet.

2. The

monitor

power

cord

is

plugged

into

the

monitor

and

a

working

electrical

outlet.

3. The

monitor

is turned on and the Brightness and Contrast controls

adjusted correctly.

4. The

monitor

signal

cable

is

connected to

the

correct

connector

system.

If the items above are correct and the screen remains blank, hav system serviced.

Only

the

cursor appears.

Have

the

system serviced.

The

monitor

works

when

Verify that

the

primary

monitor

cable

is

connected

to

the

video

you

turn

on

the

system,

find

the

video

port,

see

“Input/Output

Connectors”

on

page 12.

To

but goes blank when you

start

some

application Be

sure that you installed the necessary device drivers for the

programs.

applications.

The

screen

flickers.

Set

the

monitor

for

the

highest,

noninterlaced

refresh

rate

To reset the refresh rate, use a utility program, such as AnyVie

Professional

or

WinMode.

Wavy,

unreadable,

If

the monitor self-tests show the monitor is OK,

consider

the

loc

rolling,

distorted

screen,the

monitor. Magnetic

fields

around

other

devices

(such

as

transfor

or

screen

jitter.

appliances,

fluorescent

lights,

and

other

monitors)

can

cause

screen

or

wavy,

unreadable,

rolling,

or

distorted

screen

images. If

this

turn

off the monitor. (Moving a color monitor

while

it

is

turned

on

cause screen discoloration.) Then move the device

and

the

monitor

at

least 305

mm

(12

in.)

apart. Turn

on

the

monitor.

Note:

1. To prevent diskette drive read/write errors. be

sure

th

distance

between

monitors

and diskette drives

is

at

least

mm

(3

in.).

2. Non-IBM

monitor

cables

might

cause

unpredictable

problems.

3.An enhanced monitor cable with additional shielding is available for the 9521 and 9527 monitors. For information

about the enhanced monitor cable, see your IBM reseller o IBM marketing representative.

If the problem still exists, have the monitor

and

system serviced.

Wrong

characters

appearIf

the wrong language is displayed, update

the

BIOS

with the co

on

the

screen.

language. See the

“Getting Help

Information” Serversection

of

this

Libraryfor information

about obtaining updates

for

the

BIOS.

If

the

problem

still

exists,

have the system

serviced.

General

Problems

Action

Problems

such

as

brokenHave

the

system

serviced.

cover

latch,

broken

door

lock,

or

indicator

lights

not

working.

144 Netfinity 5000 Server Hardware Information and Procedures