Hitachi HF-W2000 58 Instruction Manual page 222

(5) The screen flickers, nothing is displayed, or the display is incorrect.
Possible cause
There is an error in the display or in the video card.
Action
1. Make sure that the power cord for the display is plugged in.
2. Make sure that the equipment and the display are securely connected through a display interface cable. (Verify
that the cable connection is not loose.)
3. Replace the display interface cable with a new one. (Check whether the cable is broken.)
4. Review the display settings. For information about how to adjust the display, see the display manual.
5. If you are using a video card, check the following items:
i) Make sure that the settings of the video card are correct. (For information about how to set up the video
card, see the manual for the video card.)
ii) Turn off the main power switch. Replace the video card with another and check whether the new video card
works.
6. If you are using a display that supports the MST (Multi Stream Transport) technology of DisplayPort, check the
following items. (See the display manual for these settings.)
i) If the display can switch between DisplayPort 1.1 and DisplayPort 1.2, select DisplayPort 1.2.
ii) If the display can change the MST setting, set it to Primary.
NOTE
If MST is enabled, the DisplayPort topology item appears when you right-click the desktop window.
(6) In the screen resolution settings, an unconnected display appears.
Possible cause
It is possible that an unconnected display is shown due to the specifications of the OS.
Action
1. Right-click the desktop to display the pop-up menu. Click Screen resolution.
2. In the screen resolution setting window, select the unconnected display.
3. Under Multiple Displays, select Delete this display. If this setting change is not applied automatically, click
Apply to delete the unconnected display.
4. If multiple unconnected displays are shown, repeat steps 2 and 3.
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9. TROUBLESHOOTING