v Follow the suggested actions in the order in which they are listed in the Action column until the problem is
solved.
v If an action step is preceded by “(Trained technician only),” that step must be performed only by a trained
technician.
v Go to the support website at http://www.ibm.com/supportportal/ to check for technical information, hints, tips,
and new device drivers or to submit a request for information.
Symptom Action
The server is hung while the
screen is on. Cannot start the
Setup utility by pressing F1.
1. See “Nx-boot failure” on page 177 for more information.
2. See “Recovering the server firmware (UEFI update failure)” on page 174 for
more information.
Hard disk drive problems
Use this information to solve hard disk drive problems.
v Follow the suggested actions in the order in which they are listed in the Action column until the problem is
solved.
v If an action step is preceded by “(Trained technician only),” that step must be performed only by a trained
technician.
v Go to the support website at http://www.ibm.com/supportportal/ to check for technical information, hints, tips,
and new device drivers or to submit a request for information.
Symptom Action
A hard disk drive has failed,
and the associated yellow hard
disk drive status LED is lit.
Replace the failed hard disk drive (see “Removing hot-swap hard disk drives” on
page 211 and “Replacing hot-swap hard disk drives” on page 212).
150 System x3550 M4 Type 7914: Installation and Service Guide
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