Network connection problemsUse this information to solve network connection problems.v Follow the suggested actions in the order in which they are listed in the Action column until the problem issolved.v If an action step is preceded by “(Trained technician only),” that step must be performed only by a trainedtechnician.v Go to the IBM 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 ActionUnable to wake the serverusing the Wake on LANfeature.1. If you are using the dual-port network adapter and the server is connected tothe network using Ethernet 5 connector, check the system-error log or IMM2system event log (see “Event logs” on page 146), make sure:a. Fan 3 is running in standby mode, if Emulex dual port 10GBase-Tembedded adapter is installed.b. The room temperature is not too high (see “Server features andspecifications” on page 6).c. The air vents are not blocked.d. The air baffle is installed securely.2. Reseat the dual-port network adapter (see “Removing the dual-port networkadapter” on page 262 and “Replacing the dual-port network adapter” on page263).3. Turn off the server and disconnect it from the power source; then, wait 10seconds before restarting the server.4. If the problem still remains, replace the dual-port network adapter.Log in failed by using LDAPaccount with SSL enabled. 1. Make sure the license key is valid.2. Generate a new license key and log in again.Optional-device problemsUse this information to solve optional-device problems.v Follow the suggested actions in the order in which they are listed in the Action column until the problem issolved.v If an action step is preceded by “(Trained technician only),” that step must be performed only by a trainedtechnician.v Go to the IBM 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 ActionAn IBM optional device thatwas just installed does notwork.1. Make sure that:v The device is designed for the server (see http://www.ibm.com/systems/info/x86servers/serverproven/compat/us/).v You followed the installation instructions that came with the device and thedevice is installed correctly.v You have not loosened any other installed devices or cables.v You updated the configuration information in the Setup utility. Whenevermemory or any other device is changed, you must update the configuration.2. Reseat the device that you just installed.3. Replace the device that you just installed.164 IBM System x3550 M4 Type 7914: Installation and Service Guide
