Belden Grass valley T2 4K Series, Руководство по обслуживанию

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September 1, 2019 T2 4K Series Service Manual
53
Checking external equipment
Checking external equipment
This section provides troubleshooting procedures for external devices that connect to the T2.
PC monitor problems
The BIOS startup screen is displayed with VGA resolution.
Keyboard problems
The keyboard is detected during BIOS startup. The USB keyboard is detected with
plug-and-play.
Problem Possible Causes Corrective Actions
Screen turns on, but nothing
from the T2 is displayed. The monitor ports (DisplayPort/
DVI-D) are faulty, or the cable
is broken. Replace the PC monitor cable. Make sure, the PC
monitor can display at least SXGA resolution.
BIOS settings have been
tampered with. Enter the BIOS setting menu. And run "Load
Setup Default".
The T2 system settings have
been tampered with. Restore to factory default from built-in USB stick.
Refer to
"Restoring to the factory default
condition" on page 49 .
The dual monitor cannot be
used. The monitor ports (DisplayPort/
DVI-D) cannot be connected
simultaneously. (Exclusive use
only) Single monitor should be connected via either
DisplayPort or DVI-D.
Problem Possible Causes Corrective Actions
The T2 does not respond
correctly to keyboard operation. • Failure to detect connected
keyboard
• Keyboard hardware fault
• Motherboard hardware fault
1. Disconnect and re-connect the keyboard. If the
problem still persists, use another USB port to
connect the keyboard.
2. Replace the keyboard.
3. Restore the T2 to factory default. If the
problem still persists, replace the motherboard.
• Incorrect operation of Plug
and Play in the T2
• Motherboard hardware fault
• Restore to factory default from the built-in USB
stick. Refer to "Restoring to the factory default
condition" on page 49 .
• If restoring to factory default does not resolve
the problem, replace the motherboard.