NEC Versa LXi Series Service And Reference Manual page 74

Problem
Hard disk drive malfunction
Memory malfunction
External keyboard or PS/2 mouse does
not work
Serial device does not work
PC card does not work
NEC VersaGlide does not work
Quick Troubleshooting
Corrective Action
Check if hard disk drive is set properly on CMOS
Setup.
Check the drive connections.
Check if the disk drive is good.
Replace the CPU board or main board.
Check if the memory module is inserted properly.
Replace the memory module.
Replace the CPU board.
Check if keyboard or mouse is connected
properly. Check Y adapter if it is being used.
Power off system first before plugging in the
device.
Replace the keyboard or mouse.
Replace the CPU board or main board.
Check if device driver is installed properly.
Check if serial device is connected properly.
Check the device drive installation for any IRQ or
I/O address conflict.
Replace serial device.
Check the I/O controller chip on the main board
for any cold or loose soldering.
Check the PC card driver installation for any IRQ
or I/O address conflict.
Check if 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 if PS/2 or Alps mouse driver is properly
installed.
Check VersaGlide cable inside the system if it is
inserted properly.
Clean VersaGlide surface.
Check the keyboard controller chip for any cold
or loose soldering.
Replace the main board.
Troubleshooting 3