Compaq Deskpro EN Series Maintenance & Service Manual page 150

CD-ROM Drive
Problem
Cannot read compact
disc.
System will not boot from
CD-ROM drive.
Cannot eject compact
disc.
CD-ROM device is not
detected; driver is not
loaded.
Network
These guidelines do not discuss the process of debugging network cabling.
Problem Cause
System does not Possible I/O address conflict
detect a network with another expansion
controller. board.
System Setup Possible I/O address conflict
utility reports an with another expansion
unprogrammed board.
EPROM.
Network controller is
defective.
Network drivers are not
loaded.
Possible Solution
1. CD is not properly seated in the drive. Eject the CD, correctly seat it in
the drive, then reload.
2. CD has been loaded upside down. Eject the CD, turn it over, then
reload.
3. The CD-ROM boot is not enabled through the Computer Setup utility.
Run the Computer Setup utility and set the drive priorities.
4. Ensure that drive cabling and jumpers are set correctly. To boot a SCSI
drive, the drive ID number must be set to 0.
CD is not properly seated in the drive. Turn off the computer and insert a
thin metal rod into the emergency eject hole and push firmly (a straightened
paper clip can be used). Slowly pull the tray out from the drive until the tray
is fully extended, then remove the CD.
CD-ROM drive is not connected properly. Open the computer and check to
see that the drive cable is connected properly.
Solution
Factory default is 300h to 30Fh for Ethernet. Either
remove and reconfigure the conflicting expansion
board, or reconfigure the network controller. If the
address is changed, ensure that the drive
parameters match the new I/O address for the
network controller.
Factory default is 300h to 30Fh for Ethernet. Either
remove and reconfigure the conflicting expansion
board,
or reconfigure the network controller. If the address
is changed, ensure that the drive parameters
match the
new I/O address for the network controller.
Replace the controller or the system board.
Boot the computer without the network drivers,
using a system boot diskette, and reconfigure the
network controller.
Compaq Deskpro EN Series, Small Form Factor and Net PC Models F-7