Asus X77JV - Manual (Page 17)

Notebook PC User Manual 17
Audio Sub-Woofer
The built-in sub-woofer speaker allows you to enjoy
amazing bass (low frequency) sounds in your multimedia
applications.
Hard Disk Drive Compartments
The hard disk drive is secured in a compartment. Visit an
authorized service center or retailer for information on hard
disk drive upgrades for your Notebook PC. Only purchase
hard disk drives from authorized retailers of this Notebook
PC to ensure maximum compatibility and reliability.
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