Installing updates with your management
server is connected to the Internet ....121
Installing updates with your management
server is not connected to the Internet . . . 121
Updating the Universal Unique Identifier
(UUID) ..............122
Updating the DMI/SMBIOS data......124
Chapter 4. Troubleshooting .....127
Start here...............127
Diagnosing a problem .........127
Undocumented problems ........129
Service bulletins ............130
Checkout procedure ...........130
About the checkout procedure.......130
Performing the checkout procedure .....131
Diagnostic tools ............132
Light path diagnostics .........134
Light path diagnostics LEDs ......137
Power-supply LEDs .........141
System pulse LEDs .........145
PCI riser-card LEDs .........145
Event logs .............146
Viewing event logs through the Setup utility 147
Viewing event logs without restarting the
server ..............147
Clearing the event logs ........149
POST ...............149
IBM Dynamic System Analysis ......149
DSA editions ...........150
Running the DSA Preboot diagnostic
programs.............151
Diagnostic text messages .......152
Viewing the test log results and transferring
the DSA collection..........152
Automated service request (call home) .....152
IBM Electronic Service Agent .......153
Error messages .............153
Troubleshooting by symptom ........153
CD/DVD drive problems ........154
General problems ...........155
Hard disk drive problems ........155
Hypervisor problems ..........157
Intermittent problems .........158
Keyboard, mouse, or USB-device problems . . 158
Memory problems...........160
Microprocessor problems ........161
Monitor and video problems .......162
Network connection problems.......164
Optional-device problems ........164
Power problems ...........166
Serial-device problems .........172
ServerGuide problems .........173
Software problems...........174
Universal Serial Bus (USB) port problems . . . 174
Video problems............175
Solving power problems..........175
Solving Ethernet controller problems .....176
Solving undetermined problems .......177
Problem determination tips.........178
Recovering the server firmware (UEFI update
failure) ...............179
In-band manual recovery method .....180
In-band automated boot recovery method . . . 181
Out-of-band method ..........182
Automated boot recovery (ABR) .......182
Nx-boot failure .............182
Chapter 5. Parts listing, IBM System
x3550 M4 Type 7914 ........183
Replaceable server components .......183
Structural parts............192
Power cords ..............193
Chapter 6. Removing and replacing
components ............197
Returning a device or component ......197
Internal cable routing and connectors .....197
Cabling SAS/SATA ServeRAID Controller. . . 198
Cabling backplane...........199
Cabling RAID adapter battery or flash power
module ..............202
Cabling SPECpower ..........203
Cabling DVD drive ..........204
Cabling operator information panel .....205
Cabling front USB and video connector....206
Removing and replacing server components . . . 207
Removing and replacing structural parts . . . 207
Removing the cover .........208
Replacing the cover .........209
Removing the air baffle ........210
Replacing the air baffle ........211
Removing a RAID adapter battery or flash
power module ...........212
Replacing a RAID adapter battery or flash
power module ...........213
Removing a RAID adapter battery or flash
power module holder ........216
Replacing a RAID adapter battery or flash
power module holder ........217
Removing and replacing Tier 1 CRUs ....218
Removing hot-swap hard disk drives . . . 218
Replacing hot-swap hard disk drives . . . 219
Removing simple-swap hard disk drives . . 222
Replacing simple-swap hard disk drives . . 223
Removing a DVD drive ........225
Replacing a DVD drive ........227
Removing the DVD drive cable .....231
Replacing the DVD drive cable .....233
Removing a memory module ......236
Installing a memory module ......237
Removing a PCI riser-card assembly....244
Replacing a PCI riser-card assembly ....245
Removing the PCI riser-card bracket from the
riser card .............246
Replacing the PCI riser-card bracket to the
riser card .............247
Removing an adapter.........248
Replacing an adapter .........250
Removing a ServeRAID SAS/SATA controller 253
iv IBM System x3550 M4 Type 7914: Installation and Service Guide