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Appendix A-troubleshooting, Appendix

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Appendix A Troubleshooting If you encounter a problem while using your computer, refer to this appendix. It provides the following problem-solving sections: The computer won't start Battery problems AC adapter problems The LCD screen is blank The external monitor screen is blank The computer locks up Password problems Diskette problems External diskette drive problems Hard disk problems Software problems Printer problems PC card problems Mouse or pointing device problems External keyboard problems Memory module problems Troubleshooting A-1

Section	Page
FRONT MATTER	1
TABLE OF CONTENTS	8
INTRODUCTION	12
Where to Get Help	13
What This Manual Covers	14
Conventions Used in This Manual	15
CHAP 1-SETTING UP THE COMPUTER	16
Opening the Screen	17
Identifying the System Parts	18
Front View	18
Rear Panel and Left Side	21
Connecting the AC Adapter	23
Connecting an External Diskette Drive	25
Turning On the Computer	26
CHAP 2-RUNNING SETUP	28
Starting the SETUP Program	29
Setting the Date and Time	31
Setting the Diskette Drive or Printer	32
Setting the Trackball	32
Setting the Self Test (Halt On) Error Level	33
Setting the Shadow RAM	33
Setting the Password (Security) Options	34
Changing or Deleting a Password	35
Setting the Hard Disk Drive(s)	36
Defining Your Own Drive Type	37
Checking System Memory	38
Setting the Rooting Sequence	39
Setting the Virus Warning	39
Setting the Default Speed	40
Setting the Power Management Options	41
Saving Your Settings and Exiting Setup	42
Post-Setup Procedures	43
CHAP 3-USING YOUR COMPUTER	44
Taking Care of the Computer	45
Using the Password Function	45
Typing the Password	46
Using the Keyboard	47
Special Keys	48
Using F11 and F12	49
Display Key Combinations	50
Using the Embedded Numeric Keypad	50
Stopping a Command or Program	51
Resetting the Computer	52
Turning Off the Computer	53
Changing the CPU Speed	54
Adjusting the LCD Screen	55
Using the Trackball	56
Using Diskettes	57
Inserting and Removing Diskettes	57
Write-protecting Diskettes	58
Making Backup Copies	59
Using a Single Diskette Drive System	59
Using a Hard Disk	60
Backing Up the Hard Disk	60
Removing and Insetting the Hard Disk	61
Saving Battery Power	62
Using PC Cards	63
Inserting a PC Card	64
Using Memory	65
CHAP 4-POWERING THE COMPUTER	67
Using the AC Adapter	67
Using the Battery	68
Replacing the Battery	68
Recharging the Battery	70
Low Battery Indicator	72
Using the Suspend Mode	73
Using SETUP to Conserve Battery Power	74
CHAP 5-CONNECTING OPTIONAL DEVICES	75
Connecting an External Monitor	76
Connecting a Parallel Printer	78
Connecting a Serial Device	79
Checking the Serial Port Settings	81
Using the Ext Kb Port	81
Connecting an External Keyboard or Keypad	82
Connecting a Mouse or Other Pointing Device	83
Installing a Memory Module or a Numeric Coprocessor	85
Removing the Access Cover	85
Installing a Memory Module	86
Installing a Numeric Coprocessor	90
Replacing the Access Cover	91
CHAP 6-USING THE VGA UTILITIES	92
Lotus 1-2-3, Version 2.x	94
Microsoft Windows, Version 3.0	95
WordPerfect, Version 5.1	96
Using the VGACONF Utility Program	97
Display Status	98
Select Option	99
Standby Timer	100
Quit	101
Using VGACONF From the Command Line	101
APPENDIX A-TROUBLESHOOTING	104
Identifying Your System	105
Error Messages	106
The Computer Won’t	106
Battery Problems	107
AC Adapter Problems	108
The LCD Screen Is Blank	109
The External Monitor Screen is Blank	110
The Computer Locks Up	111
Password Problems	111
Diskette Problems	112
External Diskette Drive Problems	113
Hard Disk Problems	114
Software Problems	115
Printer Problems	116
PC Card Problems	116
Mouse or Pointing Device Problems	117
External Keyboard Problems	118
Memory Module Problems	118
Numeric Coprocessor Problems	119
CMOS Battery Problems	119
APPENDIX B-SPECIFICATIONS	120
Main Unit	120
Controllers	121
Interfaces	121
Input Devices	122
Mass Storage	122
Monochrome VGA LCD	122
Power Supply	123
Physical Dimensions	123
Environmental Requirements	124
Power Source Requirements	125
GLOSSARY	126