Dell Inspiron 5425 User manual

© 2012–2013 Dell Inc.
Dell™, the DELL logo, and Inspiron™are trademarks of Dell Inc. Microsoft® and Windows®are either trademarks
or registered trademarks of Microsoft Corporation in the United States and/or other countries. Intel®is a
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2013 - 10 A01
Regulatory Model: P33G/P25F | Type: P33G001/P33G002/P25F001/P25F002
Computer Model: Inspiron 5420/5425/5520/5525/7420/7520
Specifications
14R/M421R/15R/M521R

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

Memory
Inspiron
14R-5420/7420/
M421R-5425
Inspiron
15R-5520/7520/
M521R-5525
Connectors two internally-accessible
DDR3 SODIMM sockets
two internally-accessible
DDR3 SODIMM sockets
Capacities 2 GB and 4 GB 2 GB and 4 GB
Minimum memory 2 GB 2 GB
Maximum memory 8 GB 8 GB
Memory type 1600 MHz DDR3 SODIMM 1600 MHz DDR3
SODIMM
Memory configurations
supported
2 GB, 4 GB, 6 GB, and
8 GB
2 GB, 4 GB, 6 GB, and
8 GB
Communications
Inspiron
14R-5420/7420/
M421R-5425
Inspiron
15R-5520/7520/
M521R-5525
Modem (optional) external V.92 56 K USB
modem
external V.92 56 K USB
modem
Network adapter 10/100 Ethernet LAN on
system board
(Inspiron 14R-5420,
Inspiron M421R-5425)
10/100/1000 Ethernet
LAN on system board
(Inspiron 14R-7420)
10/100 Ethernet LAN on
system board
(Inspiron 15R-5520,
Inspiron M521R-5525)
10/100/1000 Ethernet
LAN on system board
(Inspiron 15R-7520)
Wireless WLAN, WiMax, Wi-Fi
abgn/bgn, Wi-Di
(optional), and Bluetooth
wireless technology
WLAN, WiMax, Wi-Fi
abgn/bgn, Wi-Di
(optional), and Bluetooth
wireless technology

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)

Video
Inspiron
14R-5420/7420/
M421R-5425
Inspiron
15R-5520/7520/
M521R-5525
Video memory
Integrated Shared Shared
Discrete 1 GB (Inspiron 14R-5420,
Inspiron M421R-5425)
1 GB (Inspiron 15R-5520,
Inspiron M521R-5525)
2 GB (Inspiron 14R-7420) 2 GB (Inspiron 15R-7520)
Ports and
Connectors
Inspiron
14R-5420/7420/
M421R-5425
Inspiron
15R-5520/7520/
M521R-5525
Audio one microphone-in port
one stereo headphone/
microphone combo port
one digital microphone
one microphone-in port
one stereo headphone/
speaker port
one digital microphone
Mini-Card one half-size Mini-Card
slot
one full-size Mini-Card
slot (optional)
(Inspiron 14R-5420/7420)
one half-size Mini-Card
slot
one full-size Mini-Card
slot (optional)
HDMI one 19-pin port one 19-pin port
Network adapter one RJ45 port one RJ45 port
USB three 9-pin USB
3.0-compliant ports
one 9-pin USB
3.0-compliant port with
PowerShare and Windows
debugging
three 9-pin USB
3.0-compliant ports
one 9-pin USB
3.0-compliant port
with PowerShare and
Windows debugging
Media Card Reader one 8-in-1 slot one 8-in-1 slot
VGA one 15-hole port one 15-hole port
mSATA (optional) one mSATA port that
supports up to 32 GB
(Inspiron 14R-5420/7420)
one mSATA port that
supports up to 32
GB (Inspiron 15R-
5520/7520)

Battery
Inspiron
14R-5420/7420/
M421R-5425
Inspiron
15R-5520/7520/
M521R-5525
6-cell “smart” lithium ion
Height 20 mm (0.79 inches) 20 mm (0.79 inches)
Width 208 mm (8.19 inches) 208 mm (8.19 inches)
Depth 51 mm (2.00 inches) 51 mm (2.00 inches)
Weight 0.33 kg (0.73 lb) 0.33 kg (0.73 lb)
Voltage 11.1 VDC 11.1 VDC
Charge time
(approximate)
4 hours (when the
computer is turned off)
4 hours (when the
computer is turned off)
Operating time battery operating time
varies depending on
operating conditions
and can be significantly
reduced under certain
power-intensive
conditions
battery operating time
varies depending on
operating conditions
and can be significantly
reduced under certain
power-intensive
conditions
Coin-cell battery CR-2032 CR-2032
Power adapter
Inspiron
14R-5420/7420/
M421R-5425
Inspiron
15R-5520/7520/
M521R-5525
Type 65 W
(Inspiron 14R-5420/7420)
90 W (Inspiron
14R-5420/7420, Inspiron
M421R-5425)
65 W/90 W
Input voltage 100-240 VAC 100—240 VAC
Input current (maximum) 1.50 A/1.60 A/2.50 A
(Inspiron M421R-5425)
1.50 A/1.60 A/1.70 A/
2.50 A (Inspiron
14R-5420/7420)
1.50 A/1.60 A/
1.70 A/2.50 A
Input frequency 50-60 Hz 50—60 Hz

Power adapter
Inspiron
14R-5420/7420/
M421R-5425
Inspiron
15R-5520/7520/
M521R-5525
Output current
(continuous)
3.34 A (Inspiron
14R-5420/7420)
4.62 A (Inspiron
14R-5420/7420, Inspiron
M421R-5425)
3.34 A/4.62 A
Output power 65 W (Inspiron
14R-5420/7420)
90 W (Inspiron
14R-5420/7420, Inspiron
M421R-5425)
65 W/90 W
Rated output voltage 19.50 +/– 1 VDC 19.50 +/–1 VDC
Temperature range
Operating 0 °C to 40 °C
(32 °F to 104 °F)
0 °C to 40 °C
(32 °F to 104 °F)
Storage –40 °C to 70 °C
(–40 °F to 158 °F)
–40 °C to 70 °C
(–40 °F to 158 °F)
Media-card reader
Cards supported • Secure Digital (SD) memory card
• Secure Digital High Capacity (SDHC)
• Secure Digital Extended Capacity (SDXC) with ultra
high-speed
• Memory Stick
• Memory Stick PRO (MS-PRO)
• Memory Stick Extended Capacity (MSXC)
• MultiMedia Card (MMC)
• MultiMedia Card plus (MMC+)

Touchpad
Inspiron
14R-5420/7420/
M421R-5425
Inspiron
15R-5520/7520/
M521R-5525
X/Y position resolution
(graphics table mode)
240 cpi 240 cpi
Size
Height 52.7 mm (2.07 inches)
sensor-active area
52.7 mm (2.07 inches)
sensor-active area
Width 97.0 mm (3.82 inches)
rectangle
97.0 mm (3.82 inches)
rectangle
Keyboard (backlit)
Inspiron
14R-5420/7420/
M421R-5425
Inspiron
15R-5520/7520/
M521R-5525
Number of keys 102 (U.S.)
103 (United Kingdom)
106 (Japan)
105 (Brazil)
102 (U.S.)
103 (United Kingdom)
106 (Japan)
105 (Brazil)

Display
Inspiron
14R-5420/7420/
M421R-5425
Inspiron
15R-5520/7520/
M521R-5525
Type 14.0” HD WLED TrueLife
(1366 x 768)
14.0” HD+ WLED TrueLife
(optional) (1600 x 900)
(Inspiron 14R-5420/7420)
15.6” HD WLED TrueLife
(1366 x 768)
15.6” FHD WLED, AG
(optional) (1920 x 1080)
Maximum resolution 1600 x 900 (Inspiron 14R-
5420/7420)
1366 x 768 (Inspiron
M421R-5425)
1920 x 1080
Dimensions
Height 173.95 mm
(6.85 inches)
193.54 mm
(7.62 inches)
Width 309.40 mm
(12.18 inches)
344.23 mm
(13.55 inches)
Diagonal 355.60 mm
(14.00 inches)
396.42 mm
(15.60 inches)
Refresh rate 60 Hz 60 Hz
Operating angle 0 degree (closed) to
135degrees
0 degree (closed) to
135degrees
Horizontal viewing angle 40/40 40/40
Vertical viewing angle 15/30 (H/L) 15/30 (H/L)
Pixel pitch 0.226 mm x 0.226 mm 0.252 mm x 0.252 mm
Camera
Inspiron
14R-5420/7420/
M421R-5425
Inspiron
15R-5520/7520/
M521R-5525
Camera resolution 720p HD;
1280 x 720 pixels
720p HD;
1280 x 720 pixels
Video resolution
(maximum)
1280 x 720 pixels 1280 x 720 pixels
Diagonal viewing angle 60 degrees 60 degrees

Computer
environment
Inspiron
14R-5420/7420/
M421R-5425
Inspiron
15R-5520/7520/
M521R-5525
Temperature range
Operating 0 °C to 35 °C
(32 °F to 95 °F)
0 °C to 35 °C
(32 °F to 95 °F)
Storage –40 °C to 65 °C
(–40 °F to 149 °F)
–40 °C to 65 °C
(–40 °F to 149 °F)
Relative humidity (maximum)
Operating 10 % to 90 %
(non-condensing)
10 % to 90 %
(non-condensing)
Storage 10 % to 95 %
(non-condensing)
10 % to 95 %
(non-condensing)
Maximum vibration (using a random vibration spectrum that simulates user
environment)
Operating 0.66 GRMS 0.66 GRMS
Storage 1.3 GRMS 1.3 GRMS
Maximum shock (Measured with hard drive in operating status and a 2-ms
half-sine pulse for operating. Also measured with hard drive in head-parked
position and a 2-ms half-sine pulse for storage)
Operating 110 G 110 G
Storage 160 G 160 G
Altitude (maximum)
Operating –15.2 m to 3048 m
(–50 ft to 10,000 ft)
–15.2 m to 3048 m
(–50 ft to 10,000 ft)
Storage –15.2 m to 10,668 m
(–50 ft to 35,000 ft)
–15.2 m to 10,668 m
(–50 ft to 35,000 ft)
Airborne contaminant
level
G1 as defined by
ISA-S71.04-1985
G1 as defined by
ISA-S71.04-1985