SMC Networks SMC8002CM-US Benutzerhandbuch
Troubleshooting
9
Troubleshooting
Cannot Connect to the Internet
• Confirm that you have established an account with your service provider and that
a two-way cable service is provided.
• Check that all cables are connected to the modem and PC. Verify that the proper
cable type is used and its length does not exceed specified limits. Check the cable
connections for possible defects. Replace the defective cable if necessary.
connections for possible defects. Replace the defective cable if necessary.
• Verify that the modem and computer are powered on.
• If the power source has a switch, ensure that it is switched on.
• Check the power outlet by plugging in another device that is functioning properly.
• Check the power cord with another device.
• Power off the modem, wait for 20 seconds and then power back on.
• Close down your computer, power off, wait for 20 seconds, power back on, and
• If the power source has a switch, ensure that it is switched on.
• Check the power outlet by plugging in another device that is functioning properly.
• Check the power cord with another device.
• Power off the modem, wait for 20 seconds and then power back on.
• Close down your computer, power off, wait for 20 seconds, power back on, and
then re-boot.
• For USB connection:
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Check that the USB driver is correctly installed see “USB Installation for
Windows 98, Window 2000 and Windows Me” on page 6.
Windows 98, Window 2000 and Windows Me” on page 6.
• For Ethernet connection:
If the Link LED on the network adapter’s bracket does not light, check the
following items..
following items..
-
Check that your computer is properly configured for TCP/IP see “Ethernet
Installation for Windows” on page 6.
Installation for Windows” on page 6.
-
Make sure the UTP cable type complies with IEEE 802.3 Ethernet, or IEEE
802.3u standards for the type of network you are using. Also, make sure
cable lengths are within the requirements specified. (See “Making a
Connection to the Ethernet Port” on page 7.)
802.3u standards for the type of network you are using. Also, make sure
cable lengths are within the requirements specified. (See “Making a
Connection to the Ethernet Port” on page 7.)
-
Inspect all network cables and connections. Make sure the network cable
is securely attached to the network adapter’s connector.
is securely attached to the network adapter’s connector.
-
Make sure the correct network card driver is installed for your operating
system. If necessary, try reinstalling the driver.
system. If necessary, try reinstalling the driver.
-
Make sure the computer and other network devices are receiving power. If
you suspect a power outlet to be faulty, plug another device into it to verify
that it is working.
you suspect a power outlet to be faulty, plug another device into it to verify
that it is working.
-
If the the network adapter’s speed or duplex mode has been configured
manually, check that it matches that of the attached network device port.
Note that it is recommended to set the adapter to auto-negotiation when
installing the network driver.
manually, check that it matches that of the attached network device port.
Note that it is recommended to set the adapter to auto-negotiation when
installing the network driver.