Dell Inspiron 11 (3147, Mid 2014) - Manual (Page 88)

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Basic Troubleshooting Steps
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, solution 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.