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ACERPOWER 8600
User Manual
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Acer ACERPOWER 8600 User Manual

AcerPower
8600

User’s Guide

Copyright 1999 Acer Incorporated All Rights Reserved. Printed in Taiwan
AcerPower 8600 User’s Guide Part No.: 49.30C01.001 Draft Version: November, 1999
Changes may be made periodically to the information in this publication without obligation to notify any person of such revision or changes. Such changes will be incorporated in new editions of this manual or supplementary documents and publications. This company makes no representations or warranties, either expressed or implied, with respect to the contents hereof and specifically disclaim s t h e im p lie d warranties of merchantability or fit n e ss fo r a particular purpose.
No part of this publication may be reproduced, stored in a retrieval system, or transmitted, in any form or by any means, electronic, mechanical, photocopy, recording, or otherwise, without the prior written permission of Acer Incorporated.
AcerPower 8600 User’s Guide
Model Number :_________________________________
Serial Number :_________________________________
Purchase Date : __________________ _______________
Place of Purchase : _________________________________
Acer and the Acer logo are registered trademarks of Acer incorporated. All trademarks, registered trademarks and/or service marks are the properties of their respective owners.

Notices

FCC Notice

This device has been tes te d and fo und to comply with the limits fo r a Class B dig ital device pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This device generates, uses, and can radiate r adio freque ncy energy and, if not inst alled and used in accordance with the instructions, may cause harmful i nter ference to radio communications.
However, there is no guaran te e th at interference will not occur in a particular installation. If this device does cause harmful interfe r ence to radi o or televis i on reception, which can be determined by turning the device off and on, the user is encouraged to try to correct the interference by one or more of the following measures:
Reorient or relocate the receiving antenna
❑ ❑ Increase the separation between the device and receiver ❑ Connect the device into an out l et on a circuit different from t hat to which the
receiver is connected
❑ Consult the dealer or an experienced radio/television technician for help
iii
Notice: Shield Cables
All connections to other computing devices must be made using shielded cables to maintain compliance with FCC regulations.
Notice: Peripheral Devices
Only peripherals (i n p ut / o u tp ut devices, terminals, p rin te rs, etc.) certified to co mp ly with the Class B limits may be attached to this equipment. Operation with non certified peripherals is likely to re sult in interference to radio and TV re cep tion.
Caution
Changes or modifications not expressly approved by the manufacturer could void the user’s authority, which is granted by the Federal Communications Commission, to operate this comp uter.
Notices
iv
Use Conditions
This part complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) this device may not cause harmful interference, and (2) this device must accept any interfer ence received, i ncluding interference that may cause undesired operation.
Notice: Canadian Users
This Class B digital apparatus me e ts all re quirements of the Canadian Interference-Causing Equipment Regulations.
Remarque à l’intention des utilisateurs canadiens
Cet appareil numérique de la classe B respected toutes les exigences du Règlement sur le matérie l br ouilleur du Canada.

Important Safety Instructions

Read these instructions carefully. Save these instructions for future reference.
1.
Follow all warnings and instructions marked on the product.
2.
Unplug this product from the wall outlet before cleaning. Do not use liquid cleaners or aerosol cleaners. Use a damp cloth for cleaning.
3.
Do not use this product near water.
4.
Do not place this product on an unstable cart, stand, or table. The product may fall, causing serious damage to the product.
5.
Slots and openings in the cabinet and the back or bottom are provided for ventilation; to ensure reliable operation of the pr oduct and to protect it from overheating, these openings must not be blocked or covered. The openings should never be blocked by placing the product on a bed, sofa, rug, or other similar surface. This product should never be placed near or over a radiator or heat register, or in a built-in installation unless proper ventilation is provided.
6.
This product should be operated from the type of power indicated on the marking label. If you are not sure of the type of power available, consult your dealer or local power company.
7.
Do not allow anything to rest on the power cord. Do not locate this product where persons will walk on the cord.
8.
If an extension co rd is used with this product, make sure that the to ta l ampere rating of the equipment plugged into the extension cord does not exceed the extension cord ampere rating. Also, make sure that the total rating of all products plugged into the wall outlet does not exceed the fuse rating.
9.
Never push objects of any kind into this product through cabinet slots as they may touch dangerous voltage points or short ou t parts that could result in a fire or electric shoc k. Never spill liquid of any kind on the product.
10.
Do not attempt to service this product yourself, as opening or removing covers may expose you to dangerous voltage points or other risks. Refer all servicing to qualified service personnel.
11.
Unplug this product from the wall outlet and refer servicing to qualified service personnel under the following conditions:
a.
When the power cord or plug is damaged or frayed
b.
If liquid has been spilled into the product
c.
If the product has been exposed to rain or water
d.
If the product does not operate normally when the operating instructions are followed. Adjust only those controls that are covered by the operating instructions since improper adjustment of other controls may result in damage and will often require extensive work by a qualified technician to restore the product to normal condition.
e.
If the product has been dropped or the cabinet has been damaged
f.
If the product exhibits a distinct change in performance, indicating a need for service.
12.
Replace the ba ttery with the same ty p e a s th e product's battery we recommend. Use of another battery may present a risk of fire or explosion. Refer battery replacement to a qualified serviceman.
13.
Warning! Batteries may explode if not handled properly. Do not disassemble or dispose of them in fire. Keep them away from children and dispose of used batteries promptly.
14.
Use only the proper type of power supply cord set (provided in your accessories box) for this unit. It should be a detachable type: UL listed/ CSA certified, type SPT-2, rated 7A 125V minimum, VDE approved or its equivalent. Maximum le n g th is 15 feet (4.6 meters).
v
Notices
vi

Year 2000 Compliance Statement

The AcerPower 8600 carries the "Hard ware NST L T e sted Year 2000 Compliant" logo, which certifies that this model has been tested by NSTL using the YMark2000 test, and has been found to me et NST L's standards for Year 2000 hardware compliance.
For more details, check the Acer Year 2000 Resource Center at http:// www.acer.com.tw/service/y2k/

Laser Compliance Statement

The CD-ROM drive in this computer is a laser product. The CD­ROM drive’s classification label (shown below) is lo cated on the drive.
CLASS 1 LASER PRODUCT
CAUTION:
EXPOSURE TO BEAM. APPAREIL A LASER DE CLASSE 1 PRODUIT
LASERATTENTION:
EN CAS D’OUVERTURE. EVITTER TOUTE EXPOSITION AUX RAYONS.
LUOKAN 1 LASERLAITE LASER KLASSE 1
VORSICHT:
ABDECKUNG GEÖFFNET NICHT DEM STRAHLL AUSSETZ EN PRODUCTO LÁSER DE LA CLASE I
ADVERTENCIA:
EVITE EXPONERSE A LOS RAYO S .
ADVARSEL:
STRÅLEN. VARO! LAVATTAESSA OLET ALTTINA LASERSÅTEILYLLE.
VARNING:
TUIJOTA SÅTEESEENSTIRRA EJ IN I STRÅLEN
INVISIBLE LASER RADIATION WHEN OPEN. AVOID
RADIATION DU FAISCEAU LASER INVISIBLE
UNSICHTBARE LASERSTRAHLUNG, WENN
RADIACIÓN LÁSER INVISIBLE AL SER ABIERTO.
LASERSTRÅLING VEDÅBNING SE IKKE IND I
LASERSTRÅLNING NÅR DENNA DEL ÅR ÖPPNAD ÅLÅ
vii
VARNING:
ÖPPNADSTIRRA EJ IN I STRÅLEN
ADVARSEL:
INN I STRÅL EN
LASERSTRÅLNING NAR DENNA DEL ÅR
LASERSTRÅLING NAR DEKSEL ÅPNESSTIRR IKKE

Lithium Battery Statement

CAUTION
Danger of explosion if battery is incorrectly replaced. Replace only with the same or equivalent type recommended by the manufacturer. Discard used batteries according to the manufacturer’s instructions.
ADVARSEL!
Lithiumbatteri - Eksplosionsfare ved fejlagtig håndtering. Udskiftning må kun ske med batteri af samme fabrikat og type. Léver det brugte batteri tilbage til leverandøren.
ADVARSEL
Eksplosjonsfare ved fe ilaktig skifte av batteri. Benytt sa mme b a tt eritype eller en tilsvarende type anbefalt av apparatfabrikanten. Brukte batterier kasseres i henhold til fabrikantens instruksjoner.
VARNING
Explosionsfara vid felaktigt batteribyte. Anvãnd samma batterityp eller en ekvivalent typ som rekomme n de ras av app arattillverkaren. Kassera anvãnt batteri enligt fabrikantens instruktion.
VAROITUS
Päristo voi räjähtää, jos se on virheellisesti asennettu. Vaihda paristo ainoastaan laitevalmistajan suositte le maan ty y p p iin. Hä vi tä käy te tty paristo valmistajan ohjeiden mukaisesti.
VORSICHT!
Explosionsgefahr bei unsachgemäßen Austausch der Batterie Ersatz nur durch denselben oder einem vom Hersteller empfohlenem ähnlichen Typ. Entsorgung gebrauchter Batterien nach Angaben des Herstellers.
viii
Notices
Table of Contents
Notices . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . iii
Chapter 1 Getting Started . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
Overview. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Preinstallation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
Selecting a Site . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
Unpacking Components . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
Features. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Front Panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Rear Panel. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Internal Components. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Connecting System Components . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Connecting the Keyboard . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Connecting the Monitor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
Connecting the Mouse . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
Connecting the Printer (optional) . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
Connecting Multimedia Components. . . . . . . . . . . . . . . . . . . . . . . . 12
Connecting to the Network (optional) . . . . . . . . . . . . . . . . . . . . . . . 13
Connecting USB Devices (optional). . . . . . . . . . . . . . . . . . . . . . . . . 14
Turning On Your Computer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
Turning Off Your Computer. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
Error Messages . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
Software Error Messages . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
System Error Messages. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
Correcting Error Conditions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
ix
Chapter 2 System Board Information . . . . . . . . . . . . . . . . . . . . . . . . . 25
Features. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
Board Layout. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
Jumpers and Connectors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
Floppy Disk/Hard Disk Support . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34
Video Function . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35
Audio Function . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36
USB Support. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37
Hardware Monitoring Function. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38
Chapter 3 BIOS Information. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39
Entering Setup. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42
Table of Conten ts
x
System Information. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44
Product Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47
Disk Drives . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49
Onboard Peripherals . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53
Power Management. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 56
Boot Options . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 59
Date and Time. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 62
System Security . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 63
Setting a Password . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 65
Changing or Removing the Password. . . . . . . . . . . . . . . . . . . . . . . . 66
Bypassing the Password . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 67
Advanced Options. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 68
Memory/Cache Options . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 69
PnP/PCI Options. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 72
System Event Log. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 75
View Event Log . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 76
Load Default Settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 77
Abort Settings Change . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 78
Exiting Setup. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 79
Chapter 4 Upgrading the System . . . . . . . . . . . . . . . . . . . . . . . . . . . . 81
Installation Precautions. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 83
ESD Precautions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 83
Preinstallation Instructions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 83
Post-installation Instructions. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 84
Opening the System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 85
Removing the Housing Cover. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 85
Replacing the Housing Cover. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 86
Installing Additional Memory. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 87
Installing a RIMM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 89
Removing a RIMM. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 90
Installing a C-RIMM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 91
Removing a C-RIMM. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 92
Reconfiguring the System. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 92
Upgrading the CPU. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 93
Removing the CPU. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 93
Installing the Upgrade CPU . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 95
Replacing the Hard Disk. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 97
Installing and Removing a PCI Card. . . . . . . . . . . . . . . . . . . . . . . . . . . . 99
Installing a PCI Card. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 99
Removing a PCI Card. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 100
Installing and Removing a AGP Card. . . . . . . . . . . . . . . . . . . . . . . . . . 101
Installing a AGP Card. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 101
Removing a AGP Card. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 102
Index. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 103
xi
Table of Conten ts
xii
Getting Started
Chapter 1
This chapter gives you a general introduction of the system unit and tel ls y o u how t o selec t a site and set up the system. It al so incl udes a sim ple troubl eshoo ting section to allow you to check your system before you ask for technical support.

Overview

The AcerPower 8600 is an all-in-one, high-performance system that supports the Intel Pentium III CPU. It utilizes the PCI (Peripheral Component Interface) and the AGP (Accelerated Graphics Port) bus designs. Both designs improve system performance, enabling the system to support various multimedia functions and applications.
Aside from the standard I/O (Input/Output) interfaces such as two serial ports, one parallel port, and PS/2 keyboard and mouse ports, the system also comes with two USB (Universal Serial Bus) ports, one mono Microphone-in port, one stereo Line-in port, one Line-out port, and one Game/MIDI (Musical Instrument Digital Interface) port. These additional por ts are included to enable the system to accommodate additional peripherals.
The system may also come with an onboard AGP video controller, an interface for LCD, a TV out port, an onboard audio con troller, an external fax/modem card and/or a network card. These additional features offer special functions that will enable you to take full advantage of the system. Special features such as hardware monitoring, USB, power management, video and audio functions are discussed in this manual.
3
Furthermore, this system is fully compatible with MS-DOS v6.X, OS/ 2, SCO UNIX, Windows 95/98 and Windows NT operat ing systems.
Chapter 1
4
Getting Started

Preinstallation

The preinstallation process involves t he following activities:

Selecting a site

❑

Unpacking components

❑
Selecting a Site
Consider the following when selecting a s ite for your computer:
Determine the best site for your system. Cable paths should not
❑
run near equipment that might cause electromagnetic or radio frequency interference such as radio transm itters, televisions, copy machines, or heating and ai r-conditioning equipment.
Route cables away from personnel and equipment traffic.
❑
Avoid dusty areas and extremes of temperat ure and humidity.
❑
Unpacking Components
Unpack the contents of each box carefully. Save all packing materials in case you need to move or ship the system in the future.
Check that all items are present and in good condition. Contact your dealer immediately if anything is mi ssing or damaged.

Features

The basic configuration consists of a system unit, a keyboard, a CD­ROM drive, a diskette drive, a fixed disk drive and a mouse.

Front Panel

The figure below shows the system unit front panel.
5
No. Component
1 Floppy disk drive
2 Floppy disk drive eject bu tt on
3 CD-ROM drive
4 Drive bay cover for additional 5.2 5-i nch storage
5 Power button
Device
Chapter 1
6
Getting Started

Rear Panel

The figure below shows the system unit rear panel.
No. Component
1Fan
2 System main power switch
3 Voltage selector
4 System power socket
5 USB ports
6 PS/2 mouse port
7 Parallel port
8 Game/MIDI port
No. Component
9 VGA/Monitor port
10 PS/2 keyboard port
11 Serial port 1
12 Serial port 2
13 Speaker-out/Line-out port
14 Line-in port
15 Microphone-in port
16 Add-on card brackets

Internal Components

The figure below shows the system unit internal components.
7
Chapter 1
8
Getting Started
No. Component
1 Power supply
2 PCI socket
3 System Board
4 Hard disk drive
5 Floppy disk drive
6 Metal bracket for additional hard disk drives
7 AGP slot
8 AMR slot

Connecting System Components

Caution: Do not turn on the system main power switch on the rear pan el of the system or plug the system in until you finish connecting all system components.
The following sections show how to connect each component to the system:

Connecting the Keyboard

Plug the keyboard cable into the keyboard socket on the rear panel .
9
Chapter 1
10
Getting Started

Connecting the Monitor

Plug the monitor signal cable into the VGA connector on the rear panel.

Connecting the Mouse

Plug the mouse cable into the mouse connector on the rear panel.

Connecting the Printer (optional)

Check your printer before you connect it to your system. If you have a parallel printer, connect it to the parallel port on t he rear panel.
If you have a serial printer or other serial peripheral, connect it to the serial port (COM2). See “Rear Panel” on page 6 for the location of the serial ports.
11
Chapter 1
12
Getting Started

Connecting Multimedia Compon en ts

Your system also supports optional multimedia features. Connect the multimedia components as shown below:

Connecting to the Network (optional)

Your system may come with a LAN (Local Area Network) card for network connection. To connect your system to the network, plug the network cable into the card’s network port.
13
Chapter 1
14
Getting Started

Connecting USB Devices (optional)

The USB ports on the rear panel enable the system to support additional serial devices without using up your system resources.
To connect a USB device, simply plug the device cable into a USB port on the rear panel.
Note: Most USB devices have a built-in USB port which al lows you to daisy-chain other devices.

Turning On Your Computer

After you have connected all peripherals and cables, follow these steps to turn on your computer:
1.

Turn on all peripherals connected to the system such as the monitor, printer, fax, speakers, etc.

2.

Locate the system main power switch on the back of the system and turn it on.

15
Chapter 1
16
Getting Started
3.

Press the power button located on the front of the system unit..

When the system finishes booting, the computer is now ready for use.

Turning Off Your Computer

1.
Turn off all peripherals connected to the system such as the monitor, printer, fax, speakers, etc.
2.
Press the power button located on the front of the syst em unit for at least four seconds. Quickly pressin g the button puts the system in Suspend mode only.
Note: You do not need to turn off the system main power switch on the rear panel every time you t urn off your computer.
Turn off the system main power switch only:
- if you will not use your system for a long period of time.
- if you need to open your system for any purpose, such as troubleshooting or upgrading.
If the system main power switch is not available, you must unpl ug t he system.
17
Chapter 1
18
Getting Started

Troubleshooting

If you encounter a hardware problem, we recommend you to review the following suggestions before calling for service:

General failure

❑ ❑ ❑ ❑
❑
Front panel light doesn’t work
❑
Are all cables securely plugged? Are all system components and peripherals turned on? Is the system main power switch on? Is the power outlet burned out? You may check this by
plugging in and turning on some other piece of equipment. Are any cables damaged? Are they properly routed and coi led?
Entwined cables may cause signal interference.
After turning off the computer, check inside the system unit and make sure that the front panel LED connector for the LED that is not working is correctly plugged. Refer to “Jumpers and Connectors” on page 31 to identify the proper LED connector.

“Garbage” or nothing appears on the screen

Is the monitor turned on? Is the screen brightness adjusted
❑
properly?
Warning! Never open the monitor case. The CRT monitor retains very high voltage levels even afte r the power is turned off. Refer all monitor service to qualified service te chnicians.

Keyboard is dead

Is the keyboard cable plugged in? Turn off the system and plug
❑
in the keyboard.
Caution: Do not plug or unplug the keyboard while the power is on.

Printer doesn’t work

Is the printer power turned off?
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