Westinghouse NB-14w2 - Manual (Page 21)

■ Chapter 1 Getting To Know The Basics
1-11
Warning:
Do not block the Fan Grill outlet. Place the machine on hard
surface only. The bottom case may get very hot.
3. System Device Cover
The system’s processor with cooler assembly, Wireless LAN
module, HDD, and DDR memory module are located under the
case cover. Note: opening this door will void the warranty.
4. Built-in Stereo Speakers
The built-in speakers output the sound in stereo.