Dell Inspiron 15 (3521, Late 2012) - Manual (Page 16)

Specifications
Views
Battery
System
Information
Memory
Ports and
Connectors
Dimensions and
Weight
Computer
Environment
Storage
Touchpad Power Adapter Camera
Communications Video Audio
Display
Media-card
reader
Keyboard
Display
Type • 15.6-inch HD
• 15.6-inch HD with touch
Resolution (maximum) 1366 x 768
Dimensions:
Height 8.83 in (224.30 mm)
Width 14.17 in (360 mm)
Diagonal 15.60 in (396.24 mm)
Refresh rate 60 Hz
Operating angle 0 degree (closed) to 140 degrees
Pixel pitch 0.252 mm x 0.252 mm
Controls Brightness can be controlled using shortcut keys.