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7. If you have installed a hard disk drive made by another
company in your computer, you need to install MS-DOS.
See the MS-DOS Installation Guide for instructions. If the
hard disk needs a low-level format, do that before you
install MS-DOS. (See Appendix E for instructions.)
8. If you have installed a hard disk drive that has its controller
on an option card, you may need to change the position of
jumper JP1 on the main system board. See "Changing
Jumper Settings" in Appendix A. Also, if your computer
came with a hard disk drive that you are no longer using, be
sure the cable leading from that drive to the main system
board and the hard disk drive power cable are disconnected.
Software Problems
If you are having trouble with an application program, try the
following solutions:
If the application program does not start, check that you are
1.
following the correct procedure for starting the program,
and that it is installed correctly. If you have a hard disk and
the program is stored in a directory on that drive, make sure
you are logged onto or specifying the correct directory. If
you don't have a hard disk, make sure you have inserted the
application program diskette in the top drive (drive A).
Your computer can run at either high speed (25 MHz or
2.
24 MHz) or low speed (simulated 8 MHz). While almost all
programs work properly at the faster speed, some must run
at the slower speed. Check your software manual to see if
this is the case, and change the CPU operating speed if
necessary. (See Chapter 3 for instructions.) Also see the
description of the Auto speed function in Chapter 2 for
information on accommodating copy-protected programs.
Troubleshooting
B-17
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