Owner manual

Audio
Inspiron
14R-5420/7420/
M421R-5425
Inspiron
15R-5520/7520/
M521R-5525
Controller Conexant CX20672-21Z Conexant CX20672-21Z
Speaker 2 W 2 W
Internal microphone
support
single digital microphone
in camera
assembly
single digital
microphone in camera
assembly
Volume controls program menus and
keyboard media
control keys
program menus and
keyboard media
control keys
Video
Inspiron
14R-5420/7420/
M421R-5425
Inspiron
15R-5520/7520/
M521R-5525
Video type
Integrated Intel HD graphics
(Inspiron 14R-5420)
• Intel HD graphics
(Inspiron
15R-5520/7520)
• AMD Radeon HD
7420G (Inspiron
M521R-5525)
• AMD Radeon HD
7520G (Inspiron
M521R-5525)
• AMD Radeon HD
7640G (Inspiron
M521R-5525)
• AMD Radeon HD
7660G (Inspiron
M521R-5525)
Discrete • NVIDIA GeForce
GT630M (Inspiron
14R-5420)
• NVIDIA GeForce
GT640M (Inspiron
14R-7420)
• AMD Radeon HD
7650M (Inspiron
M421R-5425)
• AMD Radeon HD
7670M (Inspiron
15R-5520)
• AMD Radeon HD
7730M (Inspiron
15R-7520)
• AMD Radeon HD
7650M (Inspiron
M521R-5525)