Dell Inspiron 11 3148 User Manual download pdf (Page 85)

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.

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Dell Inspiron 11 3148 User Manual Page 85