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Troubleshooting
3.
Press any key to display the next test pattern.
One of two test patterns is displayed.
• If the system color option is enabled, a 32–color test palette is displayed.
• If the system color option is not enabled, various grey scale test patterns
4.
Verify there are no problems with the test pattern displayed.
5.
Press any key to exit the test.
Speaker Test
Use the Speaker Test to verify that the speaker and sound chip on the CPU are
working correctly.
1.
From the System Diagnostics menu, select Speaker Test.
Two options are displayed: Loud and Soft.
2.
Select the desired option and press Enter to produce a tone.
NOTE:
3.
Verify the selected tone is audible.
If the tone is not audible, it could indicate a problem with the speaker or the
sound chip on the CPU.
4.
Select Return and press Enter to return to the System Diagnostics menu.
Keyboard Test
Use the Keyboard Test to verify that all the keys are functioning properly.
1.
From the System Diagnostics menu, select Keyboard Test.
A graphic image of the keyboard is displayed on the screen.
44
are displayed.
The difference between the two tones is minimal.
MAC™ 3500
2046275-019H
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