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Chapter 4 Diagnostics
POST Error Messages
If you get a POST text error message in reverse video, details of the error are provided on the screen.
Recommendations for troubleshooting are sometimes displayed along with the error message or by pressing
Enter. Table 4-1 describes typical POST text errors and the corrective action you may take to remedy the
problem.
Table 4-1. POST Error Messages
NOTE HP recommends you correct the error before proceeding, even
if the server appears to start successfully.
Message Corrective Action
Error!! Flash protection switch is On This indicates that configuration switch 2 is currently set
to On. If you want to update the BIOS, do the following:
1. Power down the server.
2. Set configuration switch 2 to the Off position. Refer to
“System Board Jumper/Dip Switch Settings” in Chap-
ter 3.
Keyboard error or no keyboard
present
1. Verify the keyboard connector is firmly seated and
connected to the proper connector. Refer to “Connect-
ing Peripheral Devices” in Chapter 3.
2. Reboot the server.
3. If the error persists, replace the keyboard with a
known good keyboard and repeat steps 1 and 2.
4. If the error persists, try using a USB keyboard.
Keyboard is locked out - Unlock the
key
The BIOS detects that the keyboard is locked.
1. Try to identify which keyboard key is locked and
unlock the key. Reboot the server.
2. Try replacing the keyboard with a known good key-
board. Reboot the server.
3. Try using a USB keyboard. Reboot the server.
Mouse error or no mouse present
1. Verify the mouse connector is firmly seated and con-
nected to the proper connector. Refer to “Connecting
Peripheral Devices” in Chapter 3.
2. Reboot the server.
3. If the error persists, replace the mouse with a known
good mouse and repeat steps 1 and 2.
4. If the error persists, try using a USB mouse.
Your computer case has been opened The BIOS reports that the chassis cover has been opened.
This is a warning message. To avoid seeing this message
again, do the following:
1. Make sure that the chassis cover is securely closed.
2. Reboot the system and press F10 during POST to
enter the BIOS Setup.
3. When the “Message Confirmation” window appears,
press Enter.
4. Press F6 to save and exit.
Message Corrective Action