Lenovo System x3850 X6 Installation And Service Manual page 197

Table 45. Symptoms and user actions for network connectivity problems
• Follow the suggested actions in the order in which they are listed in the Action column until the problem is
solved.
• See Chapter 5 "Parts listing, System x3850 X6 and x3950 X6 Type 6241" on page 201 to determine which
components are customer replaceable units (CRU) and which components are field replaceable units (FRU).
• If an action step is preceded by (Trained service technician only), that step must be performed only by a
Trained service technician.
Symptom
The server will not connect to
the network.
The server intermittently looses
connection.
Action
1. If the network adapter is newly installed, verify that it is supported by the server
(see http://www.lenovo.com/serverproven/
2. Verify the network adapter slot power state and configuration (see "Using the
Setup utility" on page 123).
3. Check to make sure that the server is properly connected to the network and
that there is no damage to the network cables.
4. Check the firmware device driver.
5. Check the Retain Tips for related issues on the Support web site at
datacentersupport.lenovo.com/
1. Verify that the network router or switch is operating properly.
2. Check to make sure that the server is properly connected to the network.
3. Check the firmware device driver.
4. Check the Retain Tips for related issues on the Support web site at
datacentersupport.lenovo.com/
).
.
.
Chapter 4
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. 183
Troubleshooting