Dell Alienware 15 (Early 2015) - Manual (Page 15)

After working inside your
computer
CAUTION: Leaving stray or loose screws inside your
computer may severely damage your computer.
1 Replace all screws and make sure that no stray screws remain inside your
computer.
2 Connect any external devices, peripherals, and cables you removed before
working on your computer.
3 Replace any media cards, discs, and any other parts that you removed
before working on your computer.
4 Connect your computer and all attached devices to their electrical outlets.
5 Turn on your computer.
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