Dell Inspiron 5721 User Manual

Before You Begin | 9
Before You Begin
Turn Off Your Computer and Connected Devices
CAUTION: To avoid losing data, save and close all open files and exit all open
programs before you turn off your computer.
1 Save and close all open files and exit all open programs.
2 Shut down your computer.
Windows 8:
a Point your mouse pointer to the upper-right or lower-right corner of the
screen to open the Charms sidebar.
b In the Charms sidebar, click Settings→ Power→ Shut down.
Windows 7:
Click Start and click Shut down.
Microsoft Windows shuts down and then the computer turns off.
NOTE: If you are using a different operating system, see the documentation
of your operating system for shut-down instructions.
3 Disconnect your computer and all attached devices from their electrical outlets.
4 Disconnect all telephone cables, network cables, and attached devices from your
computer.
5 After you unplug all the cables from the computer, press and hold the power
button for 5 seconds to ground the system board.
book.book Page 9 Friday, December 14, 2012 3:32 PM

Dell Inspiron 5721 Specifications

General

Bus type	DMI
Stepping	L1
Tjunction	105 °C
Processor cache	4 MB
Processor cores	2
System bus rate	5 GT/s
Processor family	Intel® Core™ i7
Processor series	Intel Core i7-3500 Mobile series
Processor socket	BGA 1023
Processor threads	4
Processor codename	Ivy Bridge
Processor frequency	2 GHz
Processor cache type	Smart Cache
Processor lithography	22 nm
Processor manufacturer	Intel
Processor front side bus	- MHz
PCI Express slots version	2.0
Processor boost frequency	3.1 GHz
Processor operating modes	64-bit
ECC supported by processor	No
PCI Express configurations	1x8, 1x16, 2x4, 2x8
Thermal Design Power (TDP)	17 W
CPU multiplier (bus/core ratio)	20
Maximum number of PCI Express lanes	16
Motherboard chipset	Intel HM76 Express
Memory slots	2x SO-DIMM
Internal memory	8 GB
Memory clock speed	1600 MHz
Memory form factor	SO-DIMM
Internal memory type	DDR3-SDRAM
Memory layout (slots x size)	2 x 4 GB
LightScribe	-
AC adapter included	Yes
Disc types supported	CD, DVD
Intel® Virtualization Technology (Intel® VT)	VT-d, VT-x
HDD size	2.5 \
HDD speed	5400 RPM
HDD interface	SATA
Storage media	HDD
Optical drive type	DVD Super Multi DL
Total storage capacity	1000 GB
Compatible memory cards	Memory Stick (MS), MMC, MMC+, MS PRO, MSXC, SD, SDHC, SDXC
Number of HDDs installed	1
Display diagonal	17.3 \
Native aspect ratio	16:9
On-board graphics card ID	0x166
Discrete graphics card model	AMD Radeon HD 8730M
On-board graphics card model	Intel® HD Graphics 4000
Discrete graphics card memory	2 GB
Discrete graphics memory type	GDDR5
On-board graphics card family	Intel® HD Graphics
On-board graphics card base frequency	350 MHz
On-board graphics card dynamic frequency (max)	1200 MHz
Audio system	Waves MaxxAudio 4
Front camera resolution (numeric)	1 MP
Data network	Not supported
Wi-Fi standards	802.11b, 802.11g, Wi-Fi 4 (802.11n)
Bluetooth version	4.0
Ethernet LAN data rates	10, 100 Mbit/s
HDMI version	1.4a
Charging port type	DC-in jack
USB 2.0 ports quantity	USB 2.0 ports have a data transmission speed of 480 Mbps, and are backwards compatible with USB 1.1 ports. You can connect all kinds of peripheral devices to them.
VGA (D-Sub) ports quantity	0
Pointing device	Touchpad
Operating system installed	Windows 8
Form factor	Clamshell
Product type	Laptop
Product color	Charcoal
Processor code	SR0XG
Processor ARK ID	72054
Processor package size	31 x 24 (BGA1023) mm
Supported instruction sets	AVX
Intel Identity Protection Technology version	1.00
Battery capacity	65 Wh
Battery life (max)	- h
Number of battery cells	6
Cable lock slot type	Kensington
Cables included	AC
AC adapter power	65 W

Weight and Dimensions

Depth	270 mm
Width	412 mm
Weight	2730 g
Height (rear)	35.6 mm
Height (front)	28.34 mm