HP ProDesk 400 G5 Micro Maintenance and Service Guide - Page 94

Solving front panel component problems, Solving Internet access problems

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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 Solution Device is not properly connected. 1. Turn off the computer. 2. Reconnect the device to the front of the computer and restart the computer. The device does not have power. 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. The correct device driver is not installed. 1. Install the correct driver for the device. 2. You might need to reboot the computer. The cable from the device to the computer does not work. 1. If possible, replace the cable. 2. Restart the computer. 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 the USB ports are set to Enabled in 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. Unable to connect to the Internet. Cause Solution Internet Service Provider (ISP) account is not set up properly. Verify Internet settings or contact your ISP for assistance. 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 due to bad weather. 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.) 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 information that 1. 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.) 2. Type control panel in the taskbar search box, and then select Control Panel from the list of applications. Click Internet Options. 88 Chapter 6 Troubleshooting without diagnostics

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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
Solution
Device is not properly connected.
1.
Turn off the computer.
2.
Reconnect the device to the front of the computer and restart
the computer.
The device does not have power.
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.
The correct device driver is not installed.
1.
Install the correct driver for the device.
2.
You might need to reboot the computer.
The cable from the device to the computer does not work.
1.
If possible, replace the cable.
2.
Restart the computer.
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 the USB ports are
set to
Enabled
in
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.
Unable to connect to the Internet.
Cause
Solution
Internet Service Provider (ISP) account is not set up properly.
Verify Internet settings or contact your ISP for assistance.
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 due to
bad weather.
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.)
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 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.)
1.
Type
control panel
in the taskbar search box, and then
select
Control Panel
from the list of applications.
2.
Click
Internet Options
.
88
Chapter 6
Troubleshooting without diagnostics