Solving Internet Access Problems - HP dx7500 - Microtower PC Service & Reference Manual

Table C-16 Solving Front Panel Component Problems (continued)
A USB device, 1394 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.
1394 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 C-17 Solving Internet Access Problems
Unable to connect to the Internet.
Cause
Internet Service Provider (ISP) account is not set up properly. Verify Internet settings or contact your ISP for assistance.
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.)
Solution
1. Replace the device.
2. Restart the computer.
Enter Computer Setup (F10) and enable the USB ports in
Advanced > USB Ports.
Enter Computer Setup (F10) and enable the 1394 ports in
Advanced > Onboard 1394.
Solution
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.
Windows Vista
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. Click the Delete cookies button.
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