Checking external equipment, Vga display problems, Keyboard and mouse problems – Grass Valley K2 Summit Client Service Manual Nov.23 2009 User Manual
Page 79: Power connection sequence, Vga display problems keyboard and mouse problems
12 October 2009
K2 Summit Production Client Service Manual
79
Checking external equipment
The K2 Summit Client is set to attempt to boot from a USB drive first, before it boots
from the CompactFlash boot media. If you have a drive connected to a USB port that
does not contain an appropriate operating system and you start up the K2 Summit
Client, an error message is displayed and the boot up process halts.
Checking external equipment
This section provides troubleshooting procedures for external devices that connect to
the K2 Summit Client. Before using these procedures, first check connections, as in
“Step 2: Check connections and external equipment” on page 76
VGA display problems
Keyboard and mouse problems
The keyboard and mouse are detected during BIOS startup. There should be a very
brief message displayed indicating detection of input devices connected to USB ports
Power connection sequence
The following table lists the sequence of behaviors you should expect to see and/or
hear as you connect the first power cable to a normally operating K2 Summit Client.
If you observe behaviors other than those listed, refer to other sections of this manual
to investigate potential problems.
Problem
Possible Causes
Corrective Actions
Screen turns on, but nothing
from K2 Summit Client is
displayed
VGA connector or cable is not
connected or is faulty.
Replace VGA monitor.
K2 Summit Client system
settings have been tampered
with.
Restore default settings by
restoring the system drive image
from a recent backup image.
Problem
Possible Causes
Corrective Actions
The K2 Summit Client does not
respond correctly when one or
more of the keys on the
keyboard are pressed or the
mouse is used.
The keyboard or mouse is faulty.
Replace the keyboard or mouse.
K2 Summit Client system
settings have been tampered
with.
Restore default settings by
restoring the system drive image
from a recent backup image.
In this
time…
On the K2 Summit Client front panel or chassis,
look/listen for the following…
If not, refer to the following.
0 seconds
Power supply fans go on and stay on.
“Power supply problems” on page 82
Power on LED goes on and stays on.
Drive busy LED goes on then off.