Users Guide

Basic Troubleshooting Steps 85
Troubleshooting
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 switched on and all the components are
receiving power.
•Make sure all the cables are firmly 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.
NOTE: For more information on troubleshooting, solutions to
commonproblems, and FAQs, see 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 Boot Menu.
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.