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6-6 CHAPTER 6: DIAGNOSTICS AND TROUBLESHOOTING
4 Verify that all the internal tests are enabled.
If they are not, click the Enable All button to set all internal
tests to Enabled.
5 In the Test Select box, select Ext Loopback Test and verify
that the External Loopback Test is disabled.
If the External Loopback Test is not disabled, click Disable All.
6 Click OK.
The main screen shown in Figure 6-1 reappears.
7 From the Test menu, select Run Tests.
The Run Tests screen appears, as shown in Figure 6-3.
Figure 6-3 Run Tests Screen
8 Click Start to run the internal tests.
9 If any test fails, go to the section “What to Do If a Test Fails”
later in this chapter.