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Dell Vostro 2521 User Manual

Dell Vostro 2521
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Dell Vostro 2521
Owner's Manual
Regulatory Model: P27F
Regulatory Type: P27F001

Table of Contents

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Dell Vostro 2521 Specifications

General IconGeneral
Form factorClamshell
Product typeLaptop
Product colorBlack, Silver
Market positioningBusiness
Bus typeDMI
SteppingP0
Tjunction105 °C
Processor cache2 MB
Processor cores2
Processor model2127U
System bus rate5 GT/s
Processor familyIntel® Pentium®
Processor seriesIntel Pentium 2000 series for Mobile
Processor socketBGA 1023
Processor codenameIvy Bridge
Processor frequency1.9 GHz
Processor cache typeSmart Cache
Processor lithography22 nm
Processor manufacturerIntel
Processor front side bus- MHz
PCI Express slots version2.0
Processor operating modes64-bit
ECC supported by processorNo
PCI Express configurations1x16, 2x8, 1x8+2x4
Thermal Design Power (TDP)17 W
Maximum number of PCI Express lanes16
Motherboard chipsetIntel HM77 Express
Memory slots2x SO-DIMM
Internal memory2 GB
Memory clock speed1600 MHz
Memory form factorSO-DIMM
Internal memory typeDDR3-SDRAM
Maximum internal memory8 GB
Memory layout (slots x size)1 x 2 GB
LightScribe-
AC adapter includedYes
HDD size2.5 \
HDD interfaceSATA
Storage mediaHDD
Optical drive typeDVD Super Multi
Total storage capacity320 GB
Number of HDDs installed1
Display surfaceMatt
Display diagonal15.6 \
Display resolution1366 x 768 pixels
Native aspect ratio16:9
Discrete graphics card modelNot available
On-board graphics card modelIntel® HD Graphics
On-board graphics card base frequency350 MHz
On-board graphics card dynamic frequency (max)1100 MHz
Audio systemHD
Speaker power2 W
Front camera resolution (numeric)1 MP
Wi-Fi standards802.11b, 802.11g, Wi-Fi 4 (802.11n)
Ethernet LAN data rates10, 100 Mbit/s
Charging port typeDC-in jack
USB 2.0 ports quantityUSB 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 quantity0
Pointing deviceTouchpad
Operating system installedWindows 7 Home Premium
Processor codeSR105
Processor ARK ID75191
Processor package size31 x 24 mm
Supported instruction setsSSE4.1, SSE4.2
Battery capacity48 Wh
Battery life (max)- h
Number of battery cells6
Sustainability certificatesEPEAT Silver, ENERGY STAR
Weight and Dimensions IconWeight and Dimensions
Depth259 mm
Width376 mm
Height25.4 mm
Weight2400 g

Summary

Working on Your Computer

Before Working Inside Your Computer

Safety guidelines and preparation steps before working inside the computer.

Removing and Installing Components

Removing the Battery

Steps to remove the computer's main battery.

Installing the Battery

Steps to install the computer's main battery.

Removing the Memory Module

Steps to remove the memory module from the computer.

Installing the Memory Module

Steps to install the memory module into the computer.

Removing the Hard-Drive Assembly

Steps to remove the computer's hard-drive assembly.

Installing the Hard-Drive Assembly

Steps to install the computer's hard-drive assembly.

Removing the Keyboard

Steps to remove the computer's keyboard.

Removing the System Board

Steps to remove the computer's system board.

Installing the System Board

Steps to install the computer's system board.

Removing the Display Assembly

Steps to remove the computer's display assembly.

Installing the Display Assembly

Steps to install the computer's display assembly.

Removing the Display Panel

Steps to remove the display panel from the computer.

Installing the Display Panel

Steps to install the display panel onto the computer.

System Setup

Updating the BIOS

Instructions for updating the computer's BIOS.

Assigning a System Password and Setup Password

Steps to assign or change system and setup passwords.

Deleting or Changing an Existing System and/or Setup Password

Steps to delete or change existing system and setup passwords.

Diagnostics

Troubleshooting

Enhanced Pre-Boot System Assessment (ePSA) Diagnostics

How to run hardware diagnostics using the ePSA utility.

Beep Codes

Lists beep codes and their corresponding causes and troubleshooting steps.

LED Error Codes

Lists LED error codes and their corresponding causes and troubleshooting steps.

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