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

Verify Internet settings or contact your ISP for assistance.

properly.

 

 

 

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.)

 

 

180 Appendix D Troubleshooting Without Diagnostics

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HP C7A34UT, Pro 3515 E3S87UTABA, D3K31UTABA manual Solving Front Panel Component Problems, Solving Internet Access Problems
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