NEC VERSA 2600 Service Manual page 64

Problem
PC card does not work
NEC VersaGlide doesn't work
Serial device does not work
Parallel device does not work
Table 3-1 Quick Troubleshooting
Corrective Actions
Check the PC card driver installation for any IRQ
or I/O address conflict.
Check that the PC card is inserted properly and
all connections are set.
If the PC card is a Type II card, install it in the
system's other PC card slot.
Replace the PC card.
Replace the main board.
Check that the mouse driver is properly installed.
Check that the VersaGlide cable inside the
system is inserted properly.
Remove the VersaGlide and clean it.
Check the keyboard controller chip for any cold
or loose solder.
Replace the main board.
Check that the serial device driver is installed
properly.
Check that the serial device is connected
properly.
Replace the serial device.
Check the I/O controller chip on the main board
for any cold or loose solder.
Replace the main board.
Check all connections.
Check that the external device is turned on.
Test another parallel device.
Check the I/O controller chip on the main board
for any cold or loose solder.
Replace the main board.
Troubleshooting 3-3