HP ML350 HP ProLiant Servers Troubleshooting Guide - Page 46

HP Trusted Platform Module problems, Memory, problems

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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 171). 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. • HP is not liable for blocked data access caused by improper TPM use. For operating instructions, see the encryption technology feature documentation provided by the operating system. Memory problems General memory problems are occurring Action: • Isolate and minimize the memory configuration. Use care when handling DIMMs ("DIMM handling guidelines" on page 18). o Be sure the memory meets the server requirements and is installed as required by the server. Some servers may require that memory banks be populated fully or that all memory within a memory bank must be the same size, type, and speed. To determine if the memory is installed properly, see the server documentation. o Check any server LEDs that correspond to memory slots. o If you are unsure which DIMM has failed, test each bank of DIMMs by removing all other DIMMs. Then, isolate the failed DIMM by switching each DIMM in a bank with a known working DIMM. o Remove any third-party memory. • To test the memory, run HP Insight Diagnostics (on page 74). Hardware problems 46

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HP Trusted Platform Module problems
m board and TPM board
Action
: If the TPM fails and is no longer detected by RBSU, request a new syste
from an HP authorized service provider ("
Contacting HP technical support or an authorized reseller
" on
page
171
).
CAU
the T
TION:
Any attempt to remove an installed TPM from the system board breaks or disfigures
PM 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.
Whe
ins
•
Do not remov
•
When installing or replacing hardware, HP service providers cannot enable the TPM or the
yption technology. For security reasons, only the customer can enable these features.
en returning a system board for service replacement, do not remove the TPM from the system
ested, 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
et.
nsider
the s
grity of the system data.
always retain the recovery key/password. The recovery key/password is
ry Mode after BitLocker™ detects a possible compromise of system integrity.
ccess caused by improper TPM use. For operating instructions, see
ature documentation provided by the operating system.
Memory
General memory problems are occurring
•
figuration. Use care when handling DIMMs ("
DIMM handling
ver requirements and is installed as required by the server.
Some servers may require that memory banks be populated fully or that all memory within a
memory bank must be the same size, type, and speed. To determine if the memory is installed
properly, see the server documentation.
s.
a bank with a known working
n
talling or replacing a TPM, observe the following guidelines:
e an installed TPM. Once installed, the TPM becomes a permanent part of the system
board.
encr
•
Wh
board. When requ
•
riv
Upon locating a broken or disfigured rivet on an installed TPM, administrators should co
ystem compromised and take appropriate measures to ensure the inte
•
When using BitLocker™,
required to enter Recove
•
HP is not liable for blocked data a
the encryption technology fe
problems
Action
:
Isolate and minimize the memory con
guidelines
" on page
18
).
o
Be sure the memory meets the ser
o
Check any server LEDs that correspond to memory slot
o
If you are unsure which DIMM has failed, test each bank of DIMMs by removing all other
DIMMs. Then, isolate the failed DIMM by switching each DIMM in
DIMM.
o
Remove any third-party memory.
•
To test the memory, run HP Insight Diagnostics (on page
74
).
Hardware problems 46