Dell 2355DN Service Manual page 65

Alignment and Troubleshooting
On the test execution window, if user touches some item then test for touched item will start and background
color will be changed to blue.
If user touch item which is on progress, then test will be stopped and background color will be revert back to
gray.
During some items are on testing, if user touches button then drop down menu will be displayed as
below.
Drop down menu will have "Stop All" button.
If no items are on testing, then this button will be gray out.
If user touch "Stop All" button then all items will stop testing.
and button will work only when all the test items are stopped.
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Service Manual