Dell Vostro 2521 User Manual

Table 5. Boot Options
Option Description
Secure Boot Allows you to boot securely. (Default: Disabled)
Load Legacy Option ROM Allows you to load legacy option. (Default: Disabled)
Boot List Option Allows you to view the boot options.
Add Boot Option Allows you to add a boot option.
Delete a Boot Option Allows you to delete a boot option.
View Boot Option Properties Allows you to view the properties of the boot option.
Exit — This section allows you to save, discard, and load default settings before exiting from System Setup.
Updating the BIOS
It is recommended to update your BIOS (system setup), on replacing the system board or if an update is available. For
notebooks, ensure that your computer battery is fully charged and connected to a power outlet
1. Restart the computer.
2. Go to support.dell.com/support/downloads.
3. If you have your computer's Service Tag or Express Service Code:
NOTE: For desktops, the service tag label is available on the front of your computer.
NOTE: For notebooks, the service tag label is available on the bottom of your computer.
NOTE: For All-In-One Desktops, the service tag label is available at the back of your computer.
a) Enter the Service Tag or Express Service Code and click Submit.
b) Click Submit and proceed to step 5.
4. If you do not have your computer's service tag or express service code, select one of the following:
a) Automatically detect my Service Tag for me
b) Choose from My Products and Services List
c) Choose from a list of all Dell products
5. On the application and drivers screen, under the Operating System drop-down list, select BIOS.
6. Identify the latest BIOS file and click Download File.
7. Select your preferred download method in the Please select your download method below window; click Download
Now.
The File Download window appears.
8. Click Save to save the file on your computer.
9. Click Run to install the updated BIOS settings on your computer.
Follow the instructions on the screen.
System and Setup Password
You can create a system password and a setup password to secure your computer.
37

Dell Vostro 2521 Specifications

General

Form factor	Clamshell
Product type	Laptop
Product color	Black, Silver
Market positioning	Business
Bus type	DMI
Stepping	P0
Tjunction	105 °C
Processor cache	2 MB
Processor cores	2
Processor model	2127U
System bus rate	5 GT/s
Processor family	Intel® Pentium®
Processor series	Intel Pentium 2000 series for Mobile
Processor socket	BGA 1023
Processor codename	Ivy Bridge
Processor frequency	1.9 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)	17 W
Maximum number of PCI Express lanes	16
Motherboard chipset	Intel HM77 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
HDD size	2.5 \
HDD interface	SATA
Storage media	HDD
Optical drive type	DVD Super Multi
Total storage capacity	320 GB
Number of HDDs installed	1
Display surface	Matt
Display diagonal	15.6 \
Display resolution	1366 x 768 pixels
Native aspect ratio	16:9
Discrete graphics card model	Not available
On-board graphics card model	Intel® HD Graphics
On-board graphics card base frequency	350 MHz
On-board graphics card dynamic frequency (max)	1100 MHz
Audio system	HD
Speaker power	2 W
Front camera resolution (numeric)	1 MP
Wi-Fi standards	802.11b, 802.11g, Wi-Fi 4 (802.11n)
Ethernet LAN data rates	10, 100 Mbit/s
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 7 Home Premium
Processor code	SR105
Processor ARK ID	75191
Processor package size	31 x 24 mm
Supported instruction sets	SSE4.1, SSE4.2
Battery capacity	48 Wh
Battery life (max)	- h
Number of battery cells	6
Sustainability certificates	EPEAT Silver, ENERGY STAR

Weight and Dimensions

Depth	259 mm
Width	376 mm
Height	25.4 mm
Weight	2400 g