HP D5970A - NetServer - LCII Service & Reference Manual page 14

If the System Powers On but the System Fails the POST (Power-On Self Test)
Do one of the following:
If the system gives a series of beeps, this indicates a system error.
If the system fails POST, an error message displays on the screen.
If the System Passes the POST (Power-On Self Test) but Will Not Function
If an error message displays on the screen, read the error message text for actions to take.
If there is no error message, follow these steps:
1. Check to ensure that the HP NetServer is configured correctly in the configuration or setup
utility.
2. If the server still does not work, turn it off and remove all external peripherals, except the
monitor and keyboard. Test to see if the server now works.
3. If the server still doesn' t work, turn off the monitor, the server, and all external devices, and
check the internal hardware, as follows:
A. Unplug the power cord and all telephone cables. Remove the HP NetServer cover.
B. Check that all accessory boards are firmly seated in their slots.
C. Ensure that all disk drive power and data cables are securely and properly connected. Verify
the mass storage configuration with the cabling and switch diagrams on the Service
Reference Label/Card or in Information Assistant.
D. Verify that switches and jumpers on the mass storage devices and boards are properly set.
Check the manuals that came with the devices.
E. Verify that the SIMMs/DIMMs are firmly seated on the Memory Board. Verify that added
SIMMs/DIMMs are HP products.
F. Replace the HP NetServer covers.
G. Replace all power cords and power cables.
H. Turn on the monitor.
I. Turn on the server.
J. Check for error messages.
4. Run the HP diagnostic utility on the Navigator CD-ROM.
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