External Display (3546)
External Display
If the screen is rolling, replace the external display.
If the problem is not corrected, replace FRUs in the following
order one at a time until the problem is corrected:
NOTE: If the replaced parts did not resolve the problem,
put the original parts back in the Dock II. Do not replace
non-defective parts.
- If the external display is attached to Dock II
- If the external display is attached to the display adapter:
- Display adapter
- Main card of Dock II
- Riser card
If the screen is not rolling, do the following to run the
display self-test:
- Turn off Dock II and the external display.
- Disconnect the external display signal cable from Dock II.
- Turn on the external display.
- Turn the contrast control to its maximum position.
- Turn the brightness control to its center detent position.
Check for the following conditions:
- The screen should be white or light gray,
with a black margin as described below:
- 2-20 mm
(0.08-0.79 in.) wide on one or both sides
- 2-50 mm (0.08-1.97 in.) wide
on the top, bottom, or both sides
- For other test patterns, see the appropriate display
manual.
- The screen contrast and brightness controls should vary the
intensity of the screen.
If the external display does not meet these specifications, replace
the external display.
If the external display meets these specifications, replace
FRUs in the following order one at a time until the problem is corrected.
NOTE: If the replaced parts did not resolve the problem,
put the original parts back in the Dock II. Do not replace
non-defective parts.
If the external display is attached to Dock II:
- Main card of Dock II
- External display
If the external display is attached to the display adapter:
- Display adapter
- Main card of Dock II
- Riser card
- External display
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