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Appendix A
Troubleshooting
Identifying Your System
........................
A-2
Error Messages
..............................
A-3
The Computer Won’t Start
.......................
A-3
Battery Problems
.............................
A-4
AC Adapter Problems
..........................
A-5
The LCD Screen Is Blank
........................
A-6
The External Monitor Screen Is Blank
.................
A-6
The Computer Locks Up
........................
A-7
Password Problems
...........................
A-8
Diskette Problems
............................
A-9
Diskette Drive Problems
........................
A-10
Hard Disk Problems
...........................
A-10
Software Problems
............................
A-11
Printer Problems
.............................
A-12
Memory Module problems
.......................
A-12
Trackball or Pointing Device Problems
................
A-13
External Keyboard Problems
......................
A-13
Numeric Coprocessor
Problems
....................
A-14
CMOS Battery Problems
........................
A-14
Appendix B
Fax/Modem
Built-in Command Set
.........................
B-3
AT Command Summary
........................
B-4
Dial Modifiers
.........................
B-6
MNP Command Summary
.......................
B-7
AT Register Summary
..........................
B-8
Option Registers
..........................
B-10
MNP Register Summary
........................
B-12
Result Code Summary
.........................
B-13
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