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Troubleshooting C-1
Appendix C: Troubleshooting
This appendix provides information on pinpointing and solving common problems
that you may encounter using the notebook.
Problems with your notebook can be caused by something as minor as an unplugged
power cord or as major as a damaged hard disk drive. The information in this
appendix is designed to help you find and solve minor problems. If you still have a
problem after trying all the suggested remedies in this appendix contact your dealer.
The problems that you might encounter can be divided into two basic categories:
hardware and software. Hardware problems can be further divided into being of an
electrical or a mechanical nature. You will know you have a hardware problem if, for
example, the screen is blank, the notebook cannot recognize the disk drives, or you
get an error message during the Power-On Self Test (POST).
Software problems can occur at several levels. Both your operating system and your
software application programs are capable of generating errors and error messages.
If you encounter a software error, try to determine if the error message is from your
operating system or from an application program, and refer to the appropriate
manual for possible remedies.
You can also refer to the Windows 95 manual or Windows Help program to solve
the problem. To access the Help program, click the Start button, then point to Help.
It also gives you Troubleshooting tips and Index.
Common Problems
Successful troubleshooting is the result of careful observation, deductive reasoning,
and an organized approach to solving the problem. If you encounter a problem,
begin by performing a careful visual inspection. Check the exterior of the notebook
first. If no lights are displayed, check the battery charge or power outlet, the plug and
power cord, and any power switches that may affect your notebook. If the notebook
has been connected to any peripheral devices, look for loose or disconnected cables.
You may also need to check the fuses and breakers in your electric box.
A few common problems and suggested solutions are presented in the examples
which follow.
Question: Why doesn’t the power switch function?
•
The power switch does not accept just a light touch. Depress the switch firmly.
- Notice for Users in the USA 1
- About Modem 2
- Copyright 3
- Notice for Users in Canada 4
- Notice for Users in Australia 6
- Notice for Users in the UK 7
- Notice for Users in Europe 8
- CAUTION: 9
- Safety Precautions 10
- About This Manual 11
- Recording the Information 12
- How to Use this Manual 13
- Manual Conventions 14
- Table of Contents 16
- Chapter 3 Using Your Notebook 17
- Appearance of the Notebook 18
- Left Side 19
- Quick Setup 20
- Getting Started 22
- Unpacking the Notebook 23
- Installing the Battery Pack 24
- Connecting to AC Power 26
- Opening the Notebook 28
- Turning on the Power 29
- Adjusting Screen Brightness 30
- Setting up Windows 95 31
- Setting Initial Condition 32
- Shutting Down the System 33
- Customizing Your Notebook 34
- Running the Setup Utility 36
- Using Your Notebook 44
- Status Indicator LEDs 46
- Power Sources 48
- Using Battery Power 49
- Maintaining the Battery Pack 50
- Disposing of Battery Packs 50
- Battery Precautions 51
- CD-ROM Drive 52
- Inserting a CD 54
- Removing a CD 55
- Floppy Disk 56
- Hard Disk Drive 58
- GlidePoint 61
- Changing the Configuration 63
- Video Subsystem 64
- Switching Display Mode 65
- PC Cards and Devices 66
- Infrared Communications 68
- Audio System 70
- Audio Features 72
- Audio Software 73
- Connecting Peripherals 74
- Handling Precautions 76
- Installing a Memory Module 77
- Changing the Hard Disk Drive 80
- Changing the Battery 82
- Connecting a Printer 83
- CRT Connector 85
- Connecting a Serial Device 86
- PS/2 Keyboard/Mouse Connector 87
- Audio Equipment 88
- Connecting Video Equipment 89
- Connecting TV 89
- Port Replicator 91
- Environment 94
- Maintenance 95
- The LCD Screen 95
- Cleaning the Notebook 96
- Appendix B: 97
- Appendixes 100
- Appendix C: Troubleshooting 102
- Question: Why can’t I print? 105
- COM interface? 105
- The POST Error Messages 106
- Appendix D: System Mapping 107
- System Interrupts 108
- DMA Channels 108
- I/O Address Map 109
- Port Pin Assignment E-1 110
- E-2 Port Pin Assignment 111
- Technical Specifications F-1 112
- F-2 Technical Specifications 113
- Technical Specifications F-3 114
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