Dell 7420 Laptop User Manual


 
After Working Inside Your Computer | 11
2
After Working Inside Your Computer
After you complete replacement procedures, ensure the following:
Replace all screws and ensure that no stray screws remain inside your computer
Connect any external devices, cables, cards, and any other part(s) you removed
before working on your computer
Connect your computer and all attached devices to their electrical outlets
CAUTION: Before turning on your computer, replace all screws and ensure that
no stray screws remain inside the computer. Failure to do so may damage your
computer.
book.book Page 11 Wednesday, April 11, 2012 4:13 PM