Hardware problems 47
1.
Check the LEDs to be sure the hot-plug fans are working. Refer to the server documentation for LED
information.
NOTE: For servers with redundant fans, backup fans may spin up periodically to test
functionality. This is part of normal redundant fan operation.
2. Be sure no POST error messages ("POST error messages and beep codes" on page 115) are
displayed.
3. Be sure hot-plug fan requirements are being met. Refer to the server documentation.
All fans in an HP BladeSystem c-Class enclosure are operating at a high speed
...while fans in the other enclosures are operating at normal speed.
Action:
If all fan LEDs are solid green, but the fans in this enclosure are operating at a higher speed than normal,
then access more information from the Onboard Administrator or iLO 3.
All fans in an HP ProLiant G6 server are not spinning or are not spinning at the
same speed
Action:
For all servers, access the IML. If no error messages are listed, then the fans are operating as designed. If
an error message is listed in the IML, then perform the suggested procedure to correct the error.
For all server blades, access more information from the Onboard Administrator or iLO 3.
HP Trusted Platform Module problems
Action: If the TPM fails and is no longer detected by RBSU, request a new system board and TPM board
from an HP authorized service provider ("Contacting HP technical support or an authorized reseller" on
page 173).
CAUTION: Any attempt to remove an installed TPM from the system board breaks or
disfigures the TPM security rivet. Upon locating a broken or disfigured rivet on an installed
TPM, administrators should consider the system compromised and take appropriate measures
to ensure the integrity of the system data.
When installing or replacing a TPM, observe the following guidelines:
• Do not remove an installed TPM. Once installed, the TPM becomes a permanent part of the system
board.
• When installing or replacing hardware, HP service providers cannot enable the TPM or the
encryption technology. For security reasons, only the customer can enable these features.
• When returning a system board for service replacement, do not remove the TPM from the system
board. When requested, HP Service provides a TPM with the spare system board.
• Any attempt to remove an installed TPM from the system board breaks or disfigures the TPM security
rivet. Upon locating a broken or disfigured rivet on an installed TPM, administrators should consider
the system compromised and take appropriate measures to ensure the integrity of the system data.
• When using BitLocker™, always retain the recovery key/password. The recovery key/password is
required to enter Recovery Mode after BitLocker™ detects a possible compromise of system integrity.
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