Dell P31F001 Personal Computer User Manual


 
Before Working Inside Your Computer | 7
Before Working Inside Your Computer
Before You Begin
CAUTION: To avoid data loss, save and close all open files and exit all open
programs before turning off your computer.
1 Save and close all open files and exit all open programs.
2 Move your mouse pointer to the upper-right or lower-right corner of the screen to
open the Charms sidebar and then click Settings Power Shut down.
NOTE: If you are using a different operating system, see the documentation of
your operating system for shut-down instructions.
3 After the computer shuts down, disconnect it from the electrical outlet.
4 Disconnect all cables — such as power and USB cables — from your computer.
5 Disconnect all peripherals connected to your computer.
Recommended Tools
The procedures in this document require the following tools:
Phillips screwdriver
Plastic scribe