Table 4-1 System Troubleshooting (Continued) - Digital Equipment AlphaStation 500 Series User Information

Table 4-1 System Troubleshooting (continued)

Problem
System does not boot
Possible Cause
Operating system software is
not installed on the hard disk
drive.
System cannot find the boot
device.
Environment variables
incorrectly set.
AlphaStation 500 Series User Information 4-3
Troubleshooting
Action
Install the appropriate operating
system.
Check the system configuration
for correct device parameters.
Digital UNIX and OpenVMS:
Use the SRM show config
and show device commands.
(Refer to Appendix A, "Console
Commands.") Use gathered
information to identify target
devices for the boot command
and verify that the system
acknowledges all installed
devices.
Windows NT: Use the ARC
console to display the available
boot devices. First, from the
Boot menu select
Supplementary menu ... ;
then select Display
hardware configuration.
Verify that the target boot device
is listed.
Check and set the environment
variables, if necessary.
Digital UNIX and OpenVMS:
Use the SRM console show
envar and set enva r
commands to check and set the
values assigned to boot-related
variables such as auto_action,
bootdef_dev, and boot_osflag.
(Refer to Appendix A, "Console
Commands.")