Solving Internet Access Problems - HP Pro 3500 Maintenance And Service Manual

Table D-17
A USB device, headphone, or microphone is not recognized by the computer.
Cause
The device is not working.
USB ports on the computer are disabled in Computer Setup.

Solving Internet Access Problems

If you encounter Internet access problems, consult your Internet Service Provider (ISP) or refer to the
common causes and solutions listed in the following table.
Table D-18
Unable to connect to the Internet.
Cause
Internet Service Provider (ISP) account is not set up
properly.
Modem is not set up properly.
Web browser is not set up properly.
Cable/DSL modem is not plugged in.
Cable/DSL service is not available or has been interrupted
due to bad weather.
The CAT5 UTP cable is disconnected.
IP address is not configured properly.
Cookies are corrupted. (A "cookie" is a small piece of
information that a Web server can store temporarily with the
Web browser. This is useful for having the browser
remember some specific information that the Web server can
later retrieve.)
174 Appendix D Troubleshooting Without Diagnostics
Solving Front Panel Component Problems (continued)
Solving Internet Access Problems
Solution
1. Replace the device.
2. Restart the computer.
Run the Computer Setup utility and ensure that Device
available is selected for appropriate USB ports under
Security > USB Security.
Solution
Verify Internet settings or contact your ISP for assistance.
Reconnect the modem. Verify the connections are correct
using the quick setup documentation.
Verify that the Web browser is installed and set up to work
with your ISP.
Plug in cable/DSL modem. You should see a "power" LED
light on the front of the cable/DSL modem.
Try connecting to the Internet at a later time or contact your
ISP. (If the cable/DSL service is connected, the "cable" LED
light on the front of the cable/DSL modem will be on.)
Connect the CAT5 UTP cable between the cable modem
and the computers's RJ-45 connector. (If the connection is
good, the "PC" LED light on the front of the cable/DSL
modem will be on.)
Contact your ISP for the correct IP address.
1. Select Start > Control Panel.
2. Click Network and Internet.
3. Click Internet Options.
4. In the Browsing history section on the General tab,
click the Delete button.
5. Select the Cookies check box and click the Delete
button.