HP D3K72UT D3K72UT#ABA manual Solving Internet Access Problems, Click Network and Internet

Table D-17Solving Front Panel Component Problems (continued)

A USB device, headphone, or microphone is not recognized by the computer.

Cause	Solution
The device is not working.	1.	Replace the device.
	2.	Restart the computer.
USB ports on the computer are disabled in Computer Setup.	Run the Computer Setup utility and ensure that Device
	available is selected for appropriate USB ports under
	Security > USB Security.

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-18Solving Internet Access Problems

Unable to connect to the Internet.

Cause	Solution
Internet Service Provider (ISP) account is not set up	Verify Internet settings or contact your ISP for assistance.
properly.
Modem is not set up properly.	Reconnect the modem. Verify the connections are correct
	using the quick setup documentation.
Web browser is not set up properly.	Verify that the Web browser is installed and set up to work
	with your ISP.
Cable/DSL modem is not plugged in.	Plug in cable/DSL modem. You should see a “power” LED
	light on the front of the cable/DSL modem.
Cable/DSL service is not available or has been interrupted	Try connecting to the Internet at a later time or contact your
due to bad weather.	ISP. (If the cable/DSL service is connected, the “cable” LED
	light on the front of the cable/DSL modem will be on.)
The CAT5 UTP cable is disconnected.	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.)
IP address is not configured properly.	Contact your ISP for the correct IP address.
Cookies are corrupted. (A “cookie” is a small piece of	1. Select Start > Control Panel.
information that a Web server can store temporarily with the	2. Click Network and Internet.
Web browser. This is useful for having the browser
remember some specific information that the Web server can	3.	Click Internet Options.
later retrieve.)
	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.

174 Appendix D Troubleshooting Without Diagnostics