Dell Vostro 2521 Owner's Manual
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Dell Vostro 2521 Owner's Manual

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

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Summary of Contents for Dell Vostro 2521

  • Page 1 Dell Vostro 2521 Owner's Manual Regulatory Model: P27F Regulatory Type: P27F001...

  • Page 2: Notes, Cautions, And Warnings

    Blu-ray Disc Association (BDA) and licensed for use on discs and players. The Bluetooth word mark is a registered ® trademark and owned by the Bluetooth SIG, Inc. and any use of such mark by Dell Inc. is under license. Wi-Fi is a registered ® ®...

  • Page 3: Table Of Contents

    Contents Notes, Cautions, and Warnings....................2 1 Working on Your Computer.......................5 ........................5 Before Working Inside Your Computer ............................6 Turning Off Your Computer ........................7 After Working Inside Your Computer 2 Removing and Installing Components..................9 ..............................9 Recommended Tools ........................9 Removing the Secure Digital (SD) Card ........................9 Installing the Secure Digital (SD) Card ...............................9...
  • Page 4 Deleting or Changing an Existing System and/or Setup Password 4 Diagnostics..........................41 ................41 Enhanced Pre-Boot System Assessment (ePSA) Diagnostics ..............................41 Battery Status Lights 5 Troubleshooting.........................43 ................43 Enhanced Pre-Boot System Assessment (ePSA) Diagnostics ................................43 Diagnostics ................................44 Beep Codes ..............................45 LED Error Codes 6 Technical Specifications......................47 7 Contacting Dell..........................53...

  • Page 5: Working On Your Computer

    Damage due to servicing that is not authorized by Dell is not covered by your warranty. Read and follow the safety instructions that came with the product.

  • Page 6: Turning Off Your Computer

    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. Remove the main battery. Turn the computer top-side up. Open the display.

  • Page 7: 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.

  • Page 9: Removing And Installing Components

    Removing and Installing Components This section provides detailed information on how to remove or install the components from your computer. Recommended Tools The procedures in this document may require the following tools: • Small flat-blade screwdriver • Phillips screwdriver • Small plastic scribe Removing the Secure Digital (SD) Card Before Working Inside Your Computer .

  • Page 10: Installing The Battery

    Installing the Battery Slide the battery into its slot until it clicks into place. After Working Inside Your Computer . Follow the procedures in Removing the Access Panel Follow the procedures in Before Working Inside Your Computer . Remove the battery. Loosen the captive screws that secure the access panel and remove it from the computer.

  • Page 11: Removing The Memory Module

    Install the battery. After Working Inside Your Computer . Follow the procedures in Removing the Memory Module Before Working Inside Your Computer . Follow the procedures in Remove: a) battery b) access panel Pry the securing clips away from the memory module until it pops up. Remove the memory module from its socket on the system board.
  • Page 12 Slide the hard drive in the direction shown and lift the tab to remove it from the computer. Remove the screw that secures the hard-drive caddy to the hard drive and remove it.

  • Page 13: Installing The Hard-Drive Assembly

    Installing the Hard-Drive Assembly Align the hard drive on the hard-drive bracket and snap it into place. Tighten the screws to secure the hard drive to the hard-drive bracket. Slide the hard-drive assembly in its slot in the computer. Replace the screws to secure the hard-drive assembly to the computer. Install: a) memory module b) access panel...

  • Page 14: Installing The Optical-Drive Assembly

    Remove the optical-drive bracket from the optical-drive assembly. Pry the optical-drive bezel and remove it from the optical-drive assembly. Installing the Optical-Drive Assembly Place the optical-drive bezel on the optical drive and snap it in place. Place the optical-drive bracket in to the optical drive. Tighten the screws to secure the bracket to the optical-drive assembly.

  • Page 15: Installing The Keyboard

    Disconnect the keyboard cable from the connector on the system board and lift the keyboard off the palmrest assembly. Installing the Keyboard Connect the keyboard cable to the connector on the system board. Slide the keyboard in its place on the computer and snap it into place. Install the battery.

  • Page 16: Removing The Wireless Mini-Card

    Removing the Wireless Mini-Card Before Working Inside Your Computer . Follow the procedures in Remove: a) battery b) access panel c) memory module d) optical-drive assembly e) keyboard Disconnect the antennae from the card, remove the screw and remove the wireless mini-card from its slot on the system board.
  • Page 17 Flip the computer and disconnect the touchpad cable and power-button cables from the system board. Remove the screws that secure the palmrest to the system board. Lift and release the tabs on palmrest from the slots on the computer. and lift the palmrest from the computer.

  • Page 18: Installing The Palmrest

    Installing the Palmrest Align and press the plamrest on the computer until it snap into place at all sides. Connect the touchpad cable and the power-button cables to the system board. Tighten the screws to secure the palmrest to the system board. Flip the computer and tighten the screws to secure the palmrest to the computer.

  • Page 19: Installing The Input/Output (I/O) Board

    Installing the Input/Output (I/O) Board Place the I/O board in its slot and snap it in place. Tighten the screw to secure the I/O board to the computer. Connect the I/O cable to the system board. Install: a) palmrest b) keyboard c) optical-drive assembly d) memory module e) access panel...

  • Page 20: Installing The System Board

    c) I/O board cable Remove the screw that secures the system board to the computer. Lift the system board from the computer. Installing the System Board Align the system board in its place on the computer. Tighten the screw to secure the system board to the computer. Connect the following cable to the connectors on the system board: a) DC-In port cable b) speaker cable...

  • Page 21: Removing The Coin-Cell Battery

    Install: a) wireless mini-card b) palmrest c) keyboard d) optical-drive assembly e) SD card f) hard-drive assembly g) memory module h) access panel battery After Working Inside Your Computer . Follow the procedures in Removing the Coin-Cell Battery Before Working Inside Your Computer . Follow the procedures in Remove: a) battery...

  • Page 22: Removing The Heatsink

    After Working Inside Your Computer . Follow the procedures in Removing the Heatsink Follow the procedures in Before Working Inside Your Computer . Remove: a) battery b) access panel c) memory module d) hard-drive assembly e) optical-drive assembly f) keyboard g) palmrest h) wireless mini-card system board...

  • Page 23: Removing The System Fan

    Removing the System Fan Before Working Inside Your Computer . Follow the procedures in Remove: a) battery b) access panel c) memory module d) hard-drive assembly e) optical-drive assembly f) keyboard g) palmrest h) wireless mini-card system board Disconnect the system-fan cable. Remove the screw that secures the system fan to the system board.

  • Page 24: Removing The Speakers

    battery After Working Inside Your Computer . Follow the procedures in Removing the Speakers Before Working Inside Your Computer . Follow the procedures in Remove: a) battery b) access panel c) memory module d) hard-drive assembly e) optical-drive assembly f) keyboard g) plamrest h) wireless mini-card system board...

  • Page 25: Installing The Speakers

    Installing the Speakers Place the speaker assembly in its slot and route the cables through the channels. Replace the LED silicon tubes to the computer. Affix the tape that secures the LED silicon tubes to the computer. Install: a) system board b) wireless mini-card c) palmrest d) keyboard...

  • Page 26: Installing The Display Assembly

    Move the LVDS and camera cable aside and remove the screws that secure the display assembly to the computer and lift the display assembly off the computer. Installing the Display Assembly Place the display assembly on the computer. Tighten the screws to secure the LVDS and camera assembly to the computer. Connect the wireless mini-card antennae to the connectors on the wireless mini-card.

  • Page 27: Installing The Display Bezel

    c) memory module d) hard-drive assembly e) optical-drive assembly f) keyboard g) palmrest h) display assembly Press the hinge cover on the side. Lift and remove it from the computer. Pry the edges of the display bezel. Remove the display bezel from the computer. Installing the Display Bezel Align the display bezel in place and snap it in place.

  • Page 28: Removing The Display Hinges

    e) hard-drive assembly f) memory module g) access panel h) battery After Working Inside Your Computer . Follow the procedures in Removing the Display Hinges Before Working Inside Your Computer . Follow the procedures in Remove: a) battery b) access panel c) memory module d) hard-drive assembly e) optical-drive assembly...

  • Page 29: Removing The Display Panel

    f) hard-drive assembly g) memory module h) access panel battery After Working Inside Your Computer . Follow the procedures in Removing the Display Panel Before Working Inside Your Computer . Follow the procedures in Remove: a) battery b) access panel c) memory module d) hard-drive assembly e) optical-drive assembly...

  • Page 30: Installing The Display Panel

    Installing the Display Panel Connect the display cable to display panel. Affix the tape to secure the display cable. Place the display panel on the computer. Tighten the screws to secure the display panel to the computer. Install: a) display bezel b) display assembly c) palmrest d) keyboard...

  • Page 31: Installing The Camera Module

    Remove the screw, peel the tape and disconnect the camera cable from the connector and remove the camera module from the display assembly. Installing the Camera Module Connect the camera cable to the connector on the camera module. Align the camera module in its position on the computer. Tighten the screw to secure the camera module to the computer.

  • Page 33: System Setup

    Boot Sequence allows you to bypass the System Setup‐defined boot device order and boot directly to a specific device (for example: optical drive or hard drive). During the Power-on Self Test (POST), when the Dell logo appears, you can: •...

  • Page 34: System Setup Options

    Keys Navigation <Enter> Allows you to select a value in the selected field (if applicable) or follow the link in the field. Spacebar Expands or collapses a drop‐down list, if applicable. <Tab> Moves to the next focus area. NOTE: For the standard graphics browser only. <Esc>...
  • Page 35 Option Description L3 Cache Displays the processor L3 cache size. Fixed HDD Displays the model number and capacity of the hard drive. SATA ODD Displays the model number and capacity of the optical drive. AC Adapter Type Displays the type of the AC adapter.
  • Page 36 Option Description Miscellaneous Devices These fields let you enable or disable various on-board devices. External USB Ports Enables or disables external Default: Enabled USB ports. Microphone Enables or disables Default: Enabled microphone. Camera Enables or disables camera. Default: Enabled Internal Bluetooth Enables or disables internal Default: Enabled bluetooth.

  • Page 37: Updating The Bios

    Automatically detect my Service Tag for me b) Choose from My Products and Services List c) Choose from a list of all Dell products On the application and drivers screen, under the Operating System drop-down list, select BIOS. Identify the latest BIOS file and click Download File.

  • Page 38: Assigning A System Password And Setup Password

    Password Type Description System password Password that you must enter to log on to your system. Setup password Password that you must enter to access and make changes to the BIOS settings of your computer. CAUTION: The password features provide a basic level of security for the data on your computer. CAUTION: Anyone can access the data stored on your computer if is not locked and left unattended.
  • Page 39 In the System BIOS or System Setup screen, select System Security and press <Enter>. The System Security screen is displayed. In the System Security screen, verify that Password Status is Unlocked. Select System Password, alter or delete the existing system password and press <Enter> or <Tab>. Select Setup Password, alter or delete the existing setup password and press <Enter>...

  • Page 41: Diagnostics

    Diagnostics If you experience a problem with your computer, run the ePSA diagnostics before contacting Dell for technical assistance. The purpose of running diagnostics is to test your computer's hardware without requiring additional equipment or risking data loss. If you are unable to fix the problem yourself, service and support personnel can use the diagnostics results to help you solve the problem.
  • Page 42 • Light off — Battery in full charge mode with AC adapter present. • White light on — Battery in charge mode with AC adapter present.

  • Page 43: Troubleshooting

    Power-on the computer. As the computer boots, press the <F12> key as the Dell logo appears. On the boot menu screen, select the Diagnostics option. The Enhanced Pre-boot System Assessment window is displayed, listing all devices detected in the computer. The diagnostics starts running the tests on all the detected devices.

  • Page 44: Beep Codes

    If the computer is connected to an electrical outlet, the battery light operates as follows: Table 7. Battery Status Lights Alternately blinking amber light and blue light An unauthenticated or unsupported non-Dell AC adapter is attached to your laptop. Alternately blinking amber light with steady blue light Temporary battery failure with AC adapter present.

  • Page 45: Led Error Codes

    Code Cause and Troubleshooting Steps Memory failure Real-time clock power fail CMOS battery failure Video BIOS test failure Video card failure CPU - cache test failure Processor failure Display Display failure LED Error Codes Diagnostic LED codes are communicated via the Power Button LED. The Power Button LED blinks the corresponding LED codes for the corresponding fault condition.

  • Page 47: Technical Specifications

    Technical Specifications NOTE: Offerings may vary by region. For more information regarding the configuration of your computer, click Start (Start icon) → Help and Support, and then select the option to view information about your computer. Table 9. System Information Feature Description Chipset...
  • Page 48 Feature Description Stereo conversion 24-bit (analog to digital and digital to analog) Interface Intel HDA bus Speakers 2 x 2 W Volume controls program menu and keyboard media-control keys Table 13. Video Feature Description Video type LVDS Video Controller: Intel HD Graphics 3000/4000 (shared memory) Discrete AMD Radeon HD 7670M (1 GB DDR3) Data bus...
  • Page 49 Feature Description NOTE: The powered USB 3.0 connector also supports Microsoft Kernel Debugging. Media card reader one 8-in-1 slot Table 17. Display Feature Description Type 15.6 inches HD Dimensions: Height 344.23 mm (13.55 inches) Width 193.54 (7.61 inches) Diagonal 396.24 mm (15.60 inches) Active area (X/Y) 344.23 x 193.54 mm (13.55 inches x 7.61 inches) Maximum Brightness...
  • Page 50 Feature Description Height 12.50 mm (0.49 inch) Width 66.00 mm (2.60 inches) Depth 291.70 mm (11.48 inches) Weight 0.30 kg (0.66 lb) Life span 600 discharge/charge cycle Voltage • 14.80 VDC (4 cells) • 11.10 VDC (6 cells) Temperature range: Operating 0 °C to 35 °C (32 °F to 95 °F) Non-Operating...
  • Page 51 Table 23. Environmental Feature Description Temperature: Operating 0 °C to 35 °C (32 °F to 95 °F) Storage –40 °C to 65 °C (–40 °F to 149 °F) Relative humidity (maximum): Operating 10 % to 90 % (non-condensing) Storage 10 % to 95 % (non-condensing) Altitude (maximum): –15.2 m to 3048 m (–50 to 10,000 ft) Operating...

  • Page 53: Contacting Dell

    Dell product catalog. Dell provides several online and telephone-based support and service options. Availability varies by country and product, and some services may not be available in your area. To contact Dell for sales, technical support, or customer service issues: Visit www.dell.com/support.

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