Operation Manual

Troubleshooting

Topics:

• Basic troubleshooting steps

• Diagnostics

Basic troubleshooting steps

This section lists some basic troubleshooting steps you can use to resolve common issues with your computer.

• Make sure your computer is turned on and all the components are receiving power.

• Make sure all the cables are rmly connected to the respective ports.

• Make sure that the cables are not damaged or frayed.

• Make sure that there are no bent or broken pins on the connectors.

• Restart your computer and check whether the problem persists.

• For internet connection issues, unplug your modem and router from the electrical outlet, wait for about 30 seconds, plug in the power

cables, and try connecting again.

• For audio issues, make sure that the volume button is not on mute or connect an external speaker and check for sound.

NOTE

: For more information on troubleshooting, solutions to common problems, and FAQs, see www.dell.com/support. To

contact Dell for technical support, see Contacting Dell.

Diagnostics

Your computer has built-in diagnostic tools to help you determine the issue with you computer. These tools may notify you of a problem

using error messages, light codes, or beep codes.

Pre-Boot System Assessment

You can use the Pre-Boot System Assessment (PSA) to diagnose various hardware problems. The ePSA tests devices such as the system

board, keyboard, display, memory, hard drive, and so on.

NOTE

: PSA may not be supported on all computers.

Invoking PSA

1 Turn on or restart your computer.

2 Press F12 at the Dell logo to access the BIOS setup program.

NOTE

: If you wait too long and the operating system logo appears, continue to wait until you see the Windows desktop,

then restart your computer and try again.

3 Select Diagnostics and press Enter.

4 Follow the instructions on the screen to complete the test.

Troubleshooting 57