Dell Vostro 2420 User Manual

6. Close the display and turn the computer upside-down on a flat work surface.
NOTE: To avoid damaging the system board, you must remove the main battery before you service the
computer.
7. Remove the main battery.
8. Turn the computer top-side up.
9. Open the display.
10. Press the power button to ground the system board.
CAUTION: To guard against electrical shock, always unplug your computer from the electrical outlet before
opening the display.
CAUTION: Before touching anything inside your computer, ground yourself by touching an unpainted metal
surface, such as the metal at the back of the computer. While you work, periodically touch an unpainted metal
surface to dissipate static electricity, which could harm internal components.
11. Remove any installed ExpressCards or Smart Cards from the appropriate slots.
Turning Off Your Computer
CAUTION: To avoid losing data, save and close all open files and exit all open programs before you turn off your
computer.
1. Shut down the operating system:
– In Windows 7:
Click Start , then click Shut Down.
– In Windows Vista :
Click Start , then click the arrow in the lower-right corner of the Start menu as shown below, and then
click Shut Down.
– In Windows XP:
Click Start → Turn Off Computer → Turn Off . The computer turns off after the operating system shutdown
process is complete.
2. Ensure that the computer and all attached devices are turned off. If your computer and attached devices did not
automatically turn off when you shut down your operating system, press and hold the power button for about 4
seconds to turn them off.
After Working Inside Your Computer
After you complete any replacement procedure, ensure you connect any external devices, cards, and cables before
turning on your computer.
CAUTION: To avoid damage to the computer, use only the battery designed for this particular Dell computer. Do not
use batteries designed for other Dell computers.
1. Connect any external devices, such as a port replicator, battery slice, or media base, and replace any cards, such
as an ExpressCard.
2. Connect any telephone or network cables to your computer.
6

Dell Vostro 2420 Specifications

General

Form factor	Clamshell
Product type	Laptop
Product color	Black, Silver
Bus type	DMI
Stepping	L1
Tjunction	90 °C
Processor cache	3 MB
Processor cores	2
Processor model	i3-3110M
System bus rate	5 GT/s
Processor family	Intel® Core™ i3
Processor series	Intel Core i3-3100 Mobile Series
Processor socket	BGA 1023
Processor threads	4
Processor codename	Ivy Bridge
Processor frequency	2.4 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 operating modes	64-bit
ECC supported by processor	No
PCI Express configurations	1x16, 2x8, 1x8+2x4
Thermal Design Power (TDP)	35 W
CPU multiplier (bus/core ratio)	24
Maximum number of PCI Express lanes	16
Motherboard chipset	Intel® HM75 Express
Memory slots	2x SO-DIMM
Internal memory	2 GB
Memory clock speed	1600 MHz
Memory form factor	SO-DIMM
Internal memory type	DDR3-SDRAM
Maximum internal memory	8 GB
Memory layout (slots x size)	1 x 2 GB
LightScribe	-
AC adapter included	Yes
Power adapter depth	137.16 mm
Power adapter width	57.9 mm
Disc types supported	CD, DVD
Power adapter height	28.2 mm
HDD interface	SATA
Storage media	HDD
Optical drive type	DVD Super Multi
Total storage capacity	500 GB
Compatible memory cards	Memory Stick (MS), MMC, SD
Number of HDDs installed	1
Pixel pitch	0.252 x 0.252 mm
Display surface	Matt
Display diagonal	14 \
Display brightness	200 cd/m²
Display resolution	1366 x 768 pixels
Native aspect ratio	16:9
On-board graphics card ID	0x166
Discrete graphics card model	Not available
On-board graphics card model	Intel® HD Graphics 4000
On-board graphics card family	Intel® HD Graphics
On-board graphics card base frequency	650 MHz
On-board graphics card dynamic frequency (max)	1000 MHz
Speaker power	2 W
Front camera resolution (numeric)	1 MP
Wi-Fi standards	802.11b, 802.11g, Wi-Fi 4 (802.11n)
Bluetooth version	4.0
Ethernet LAN data rates	10, 100, 1000 Mbit/s
Charging port type	DC-in jack
USB 2.0 ports quantity	3
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity	0
Pointing device	Touchpad
Operating system installed	Ubuntu Linux
Processor code	SR0N2
Processor ARK ID	65700
Processor package size	37.5 x 37.5 (rPGA988B); 31 x 24 (BGA1023) mm
Supported instruction sets	AVX
Intel Identity Protection Technology version	1.00
Battery voltage	11.1 V
Battery capacity	2200 mAh
Battery life (max)	- h
Number of battery cells	6
AC adapter power	65 W
AC adapter frequency	50 - 60 Hz
AC adapter input voltage	100 - 240 V
AC adapter output current	3.34 A
AC adapter output voltage	19.5 V
Cables included	AC
Operating shock	110 G
Operating altitude	-15.2 - 3048 m
Non-operating shock	160 G
Operating vibration	0.66 G
Non-operating altitude	-15.2 - 10668 m
Non-operating vibration	1.3 G
Storage temperature (T-T)	-40 - 65 °C
Operating temperature (T-T)	0 - 35 °C
Storage relative humidity (H-H)	5 - 95 %
Operating relative humidity (H-H)	10 - 90 %
Sustainability certificates	EPEAT Silver, ENERGY STAR

Weight and Dimensions

Depth	244 mm
Width	342 mm
Weight	2190 g
Height (rear)	34.7 mm
Height (front)	31.5 mm