ClearCube C/Port & MVX User Manual

Page 48

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38 •

Troubleshooting

Loss of peripheral devices (USB)

Unplug and re-plug-in the devices.

Pull blade out and re-insert.

No video or link lights at desktops and no power to blades

R4300: Have a qualified service technician check the fuse.

R4200: Check the chassis AC fuse.

MVX

No video is present

Turn the manual adjust knob on the back of the C/Port. The video signal can be cut off

when the manual adjustment knob is turned fully clockwise or counter-clockwise.

Adjust the color tuning knobs on the bottom of the C/Port. The video signal can be cut off

or rendered unintelligible if the tuning knobs are between stop positions.

Make sure the video adapter on the blade is a Quadro4.

The monitor’s Auto-Adjust does not give a clear, sharp image

Monitor auto-adjust routines do not always optimally adjust the image. Using the

auto-adjust routine a second or even third time may provide a better result.

Use the monitor’s manual functions to adjust picture size, position, brightness, and

contrast.

Use the Video Sharpness dial on the C/Port to sharpen the image, as described in "

C/Port

Installation

" on page 9.

The video signal is lost after changing display settings

This may occur if the user sets the screen resolution to a level that is unsupported by either the

MVX or the monitor(s) and the user confirmed the change.

To correct, the monitor’s resolution must be reset to a supported level by following the

following steps:

1. Reset the blade using the Reset button on the C/Port.
2. During restart, press the F8 key right before the Windows startup screen to display the

Windows startup option screen.

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