User Manual
After working inside your 
computer
CAUTION: Leaving stray or loose screws inside your computer may 
severely damage your computer.
1  Replace all screws and ensure 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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