3Com 8R-002700-00, Руководство по началу работы

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7
T
ROUBLESHOOTING AND
S
UPPORT
R
ESOURCES
Troubleshooting
My computer went
into "power save"
mode. When it came
out of power save
mode, my screen was
frozen.
If the upstream (TELCO) connection is active when a computer goes into
power save mode, the computer may freeze when coming out of power
save mode. Either hang up the TELCO modem before your computer
goes into power save mode or disable power save on your PC. If you
choose to disable power save, disable it in both the Windows Control
Panel and the BIOS setup. To disable power save in Windows, click
Windows
Start , point to Settings , and click Control Panel . Double-click
the Power icon and select “OFF” in the "Power Management" box. Click
Apply . To disable power save in the BIOS setup, you usually must press a
function key while booting up to enter the setup menu. Consult your
computer's manual for exact instructions.
My cable modem
scans for an active
channel, pauses on
an active channel, but
instead of locking on
to it, continues to
scan for active
channels.
Your cable modem may be assigned to IRQ 12, which is often a problem,
though Windows will not report it as such. Right-click the
My Computer
icon on your desktop and then click Properties . Click Device Manager
and then click Network Adapters . Double-click 3Com HomeConnect
Cable Modem TMI and then click Resources . Look for "Interrupt
Request" in the “Resource Type” column. If the number listed to the right
is 12, you will need to move the cable modem to a different interrupt
request (IRQ). See the troubleshooting issue with the heading “How do I
free an IRQ for use by the cable modem?" later in this section for more
information.
I installed the cable
modem, but it does
not work.
■
Your cable modem may have been installed with an IRQ conflict.
Right-click the
My Computer icon on your desktop and then click
Properties . Click the "Device Manager" tab at the top of the
"System Properties" screen. Look for a yellow exclamation point over
the
3Com HomeConnect Cable Modem TMI in the “Network
adapters” category. If the modem has a yellow exclamation point, it