Owner manual

Dimensions
Inspiron
14R-5420/7420/
M421R-5425
Inspiron
15R-5520/7520/
M521R-5525
Height (front and back) 28.88 mm to 31.60 mm
(1.14 inches to 1.24
inches)
30.03 mm to 34.10 mm
(1.18 inches to 1.34
inches)
Width 347.00 mm (13.66 inches) 378.00 mm (14.88
inches)
Depth 240.00 mm (9.45 inches) 252.00 mm (9.92 inches)
Weight (with 6-cell
battery)
2.40 kg (5.30 lb)
NOTE: The weight of your
laptop will vary depending
on the configuration
ordered and the
manufacturing variability.
2.78 kg (6.13 lb)
NOTE: The weight of
your laptop will vary
depending on the
configuration ordered
and the manufacturing
variability.
System Information
Inspiron
14R-5420/7420/
M421R-5425
Inspiron
15R-5520/7520/
M521R-5525
Processor • Intel Pentium dual core
• Intel Core i3
• Intel Core i5
• Intel Core i7
• AMD A4-4300M
• AMD A6-4400M
• AMD A8-4500M
• AMD A10-4600M
• Intel Pentium dual
core
• Intel Core i3
• Intel Core i5
• Intel Core i7
• AMD A4-4300M
• AMD A6-4400M
• AMD A8-4500M
• AMD A10-4600M
System chipset • Intel HM77 Express
chipset
• AMD A70M FCH chipset
• Intel HM77 Express
chipset
• AMD A70M FCH
chipset