Solving Front Panel Component Problems; Solving Internet Access Problems - HP ProDesk 680 G3 MT Maintenance And Service Manual

Solving front panel component problems

If you encounter problems with devices connected to the front panel, refer to the common causes and
solutions listed in the following table.
A USB device, headphone, or microphone is not recognized by the computer.
Cause
Device is not properly connected.
The device does not have power.
The correct device driver is not installed.
The cable from the device to the computer does not work.
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.
Unable to connect to the Internet.
Cause
Internet Service Provider (ISP) account 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.
86 Chapter 6 Troubleshooting without diagnostics
Solution
1. Turn off the computer.
2. Reconnect the device to the front of the computer and
restart the computer.
If the USB device requires AC power, be sure one end is connected
to the device and one end is connected to a live outlet.
1. Install the correct driver for the device.
2. You might need to reboot the computer.
1. If possible, replace the cable.
2. Restart the computer.
1. Replace the device.
2. Restart the computer.
Run the Computer Setup utility and ensure that the USB ports are
set to Enabled in Security > USB Security.
Solution
Verify Internet settings or contact your ISP for assistance.
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 7:
1. Select Start > Control Panel.