NEC VXI Series, Service And Reference Manual

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Troubleshooting 7-3
Quick Troubleshooting
Problem or Symptoms Corrective Actions
Diskette drive does not work Check if the diskette drive option is not installed in BIOS Setup.
Check if the diskette drive cable is connected properly.
Check that the diskette is not faulty.
Replace the diskette drive.
Replace the main board.
Hard disk drive malfunction Check if the hard disk drive is set properly in BIOS Setup.
Check the connection.
Check if the disk drive is working properly. If not, replace the drive.
Replace the main board.
CD-ROM drive malfunction Check if the drive is set properly in BIOS Setup.
Check if the device driver is installed properly. Do not use any other
CD-ROM driver.
Check the connection.
Replace the drive or main board.
Memory malfunction Check if the memory module is inserted properly. Try to insert it into the
other slot.
Replace the memory module.
Replace the main board.
External keyboard or PS/2
mouse does not work Check if the keyboard or mouse is connected properly. Check if the
PS/2 Y-cable is being used. Power off the system first before plugging
in the device.
Check if the PS/2 mouse driver is installed properly.
Replace the keyboard or mouse.
Replace the main board.
PC card does not work Check if the PC card is inserted properly and check the connection.
Check the PC card driver installation for an IRQ conflict. Try to disable
the COM2 port in BIOS Setup menu to free up an unused IRQ.
If the PC card is not detected, insert it to the other PC slot. Otherwise,
replace the PC card.
Contact the PC card manufacturer for support.
Replace the main board.
VersaGlide does not work Check if PS/2 or Alps mouse driver is properly installed.
Check if the VersaGlide cable inside the system is inserted properly.
Replace the VersaGlide module.
Check the keyboard controller chip for any cold or loose soldering.
Replace the main board.