HP ProDesk 600 Maintenance And Service Manual page 194

Unable to connect to the Internet.
Cause
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.)
Cannot automatically launch Internet programs.
Cause
You must log on to your ISP before some programs will start.
184 Chapter 8 Troubleshooting without diagnostics
Solution
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 7:
1. Select Start > Control Panel.
2. Click Internet Options.
3. In the Browsing history section on the General tab,
click the Delete button.
4. Select the Cookies check box and click the Delete
button.
Windows 8:
1. From the Start screen, type c, and then select Control
Panel from the list of applications..
2. Click Internet Options.
3. In the Browsing history section on the General tab,
click the Delete button.
4. Select the Cookies check box and click the Delete
button.
Solution
Log on to your ISP and launch the desired program.