Installing updates with your managementserver is connected to the Internet . . . . 121Installing updates with your managementserver is not connected to the Internet . . . 121Updating the Universal Unique Identifier(UUID) . . . . . . . . . . . . . . 122Updating the DMI/SMBIOS data . . . . . . 124Chapter 4. Troubleshooting . . . . . 127Start here. . . . . . . . . . . . . . . 127Diagnosing a problem . . . . . . . . . 127Undocumented problems . . . . . . . . 129Service bulletins . . . . . . . . . . . . 130Checkout procedure . . . . . . . . . . . 130About the checkout procedure. . . . . . . 130Performing the checkout procedure . . . . . 131Diagnostic tools . . . . . . . . . . . . 132Light path diagnostics . . . . . . . . . 134Light path diagnostics LEDs . . . . . . 137Power-supply LEDs . . . . . . . . . 141System pulse LEDs . . . . . . . . . 145PCI riser-card LEDs . . . . . . . . . 145Event logs . . . . . . . . . . . . . 146Viewing event logs through the Setup utility 147Viewing event logs without restarting theserver . . . . . . . . . . . . . . 147Clearing the event logs . . . . . . . . 149POST . . . . . . . . . . . . . . . 149IBM Dynamic System Analysis . . . . . . 149DSA editions . . . . . . . . . . . 150Running the DSA Preboot diagnosticprograms . . . . . . . . . . . . . 151Diagnostic text messages . . . . . . . 152Viewing the test log results and transferringthe DSA collection . . . . . . . . . . 152Automated service request (call home) . . . . . 152IBM Electronic Service Agent . . . . . . . 153Error messages . . . . . . . . . . . . . 153Troubleshooting by symptom . . . . . . . . 153CD/DVD drive problems . . . . . . . . 154General problems . . . . . . . . . . . 155Hard disk drive problems . . . . . . . . 155Hypervisor problems . . . . . . . . . . 157Intermittent problems . . . . . . . . . 158Keyboard, mouse, or USB-device problems . . 158Memory problems . . . . . . . . . . . 160Microprocessor problems . . . . . . . . 161Monitor and video problems . . . . . . . 162Network connection problems . . . . . . . 164Optional-device problems . . . . . . . . 164Power problems . . . . . . . . . . . 166Serial-device problems . . . . . . . . . 172ServerGuide problems . . . . . . . . . 173Software problems. . . . . . . . . . . 174Universal Serial Bus (USB) port problems . . . 174Video problems. . . . . . . . . . . . 175Solving power problems. . . . . . . . . . 175Solving Ethernet controller problems . . . . . 176Solving undetermined problems . . . . . . . 177Problem determination tips. . . . . . . . . 178Recovering the server firmware (UEFI updatefailure) . . . . . . . . . . . . . . . 179In-band manual recovery method . . . . . 180In-band automated boot recovery method . . . 181Out-of-band method . . . . . . . . . . 182Automated boot recovery (ABR) . . . . . . . 182Nx-boot failure . . . . . . . . . . . . . 182Chapter 5. Parts listing, IBM Systemx3550 M4 Type 7914 . . . . . . . . 183Replaceable server components . . . . . . . 183Structural parts . . . . . . . . . . . . 192Power cords . . . . . . . . . . . . . . 193Chapter 6. Removing and replacingcomponents . . . . . . . . . . . . 197Returning a device or component . . . . . . 197Internal cable routing and connectors . . . . . 197Cabling SAS/SATA ServeRAID Controller . . . 198Cabling backplane. . . . . . . . . . . 199Cabling RAID adapter battery or flash powermodule . . . . . . . . . . . . . . 202Cabling SPECpower . . . . . . . . . . 203Cabling DVD drive . . . . . . . . . . 204Cabling operator information panel . . . . . 205Cabling front USB and video connector. . . . 206Removing and replacing server components . . . 207Removing and replacing structural parts . . . 207Removing the cover . . . . . . . . . 208Replacing the cover . . . . . . . . . 209Removing the air baffle . . . . . . . . 210Replacing the air baffle . . . . . . . . 211Removing a RAID adapter battery or flashpower module . . . . . . . . . . . 212Replacing a RAID adapter battery or flashpower module . . . . . . . . . . . 213Removing a RAID adapter battery or flashpower module holder . . . . . . . . 216Replacing a RAID adapter battery or flashpower module holder . . . . . . . . 217Removing and replacing Tier 1 CRUs . . . . 218Removing hot-swap hard disk drives . . . 218Replacing hot-swap hard disk drives . . . 219Removing simple-swap hard disk drives . . 222Replacing simple-swap hard disk drives . . 223Removing a DVD drive . . . . . . . . 225Replacing a DVD drive . . . . . . . . 227Removing the DVD drive cable . . . . . 231Replacing the DVD drive cable . . . . . 233Removing a memory module . . . . . . 236Installing a memory module . . . . . . 237Removing a PCI riser-card assembly. . . . 244Replacing a PCI riser-card assembly . . . . 245Removing the PCI riser-card bracket from theriser card . . . . . . . . . . . . . 246Replacing the PCI riser-card bracket to theriser card . . . . . . . . . . . . . 247Removing an adapter. . . . . . . . . 248Replacing an adapter . . . . . . . . . 250Removing a ServeRAID SAS/SATA controller 253iv IBM System x3550 M4 Type 7914: Installation and Service Guide