IBM 6266 User Manual page 105

Table 1: Hardware problems (Continued)
If the problem is:
Modem/communications
errors
When the computer is
turned on, the message
"Insert a system diskette
and press Enter to reboot"
appears
Here's what to do:
1. Make sure the telephone cord is securely connected.
2. Make sure the telephone line works by plugging a
working telephone into the same telephone outlet that
the computer was plugged into. Then make sure you
can place a call.
3. Make sure your modem cord is connected to an analog
telephone line. For additional help, see "Setting up
communications" on page 2-9.
4. Make sure you are calling the correct number, and that
you are using the correct communications settings. For
additional help, see the user's guide for your
communications software.
5. Make sure no one is using the telephone while you are
communicating with another computer.
6. If some communications programs work but others do
not, there may be a configuration problem. For
additional help, see the user's guide for your
communications software.
7. Make sure the modem adapter card is installed
correctly. For instructions on installing adapter cards in
the system unit, see "Adding and removing adapter
cards for type 6266" on page 6-4 and "Adding and
removing adapter cards for type 6270 and 6276" on
page 6-5.
8. If you have Call Waiting feature on your phone, make
sure it is disabled.
1. Choose BIOS Features Setup from the Configuration/
Setup Utility menu, and make sure that the Boot
Sequence is set correctly.
2. Make sure the drive power and signal cables are
securely attached to the back of the hard disk drive.
For instructions on working in the system unit, see
"Removing and adding drives" on page 6-6.
3. See " Quick Reference " for recovery information.
Diagnosing and recovering from problems 8-11