Dell Vostro 2420 Owner's Manual Regulatory Model: P22G Regulatory Type: P22G004
Notes, Cautions, and Warnings NOTE: A NOTE indicates important information that helps you make better use of your computer. CAUTION: A CAUTION indicates either potential damage to hardware or loss of data and tells you how to avoid the problem. WARNING: A WARNING indicates a potential for property damage, personal injury, or death. © 2012 Dell Inc.
Contents Notes, Cautions, and Warnings...................................................................................................2 1 Working on Your Computer.......................................................................................................5 Before Working Inside Your Computer.....................................................................................................................5 Turning Off Your Computer...............................................................
Removing the Processor.........................................................................................................................................26 Installing the Processor..........................................................................................................................................26 Removing the System Board...................................................................................................................................
Working on Your Computer 1 Before Working Inside Your Computer Use the following safety guidelines to help protect your computer from potential damage and to help to ensure your personal safety. Unless otherwise noted, each procedure included in this document assumes that the following conditions exist: • You have performed the steps in Working on Your Computer. • You have read the safety information that shipped with 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. 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: To connect a network cable, first plug the cable into the network device and then plug it into the computer. 3. Replace the battery. 4. Connect your computer and all attached devices to their electrical outlets. 5. Turn on your computer.
Removing and Installing Components 2 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 Battery 1. Follow the procedures in Before Working Inside Your Computer. 2. Slide the release latches to unlock the battery. 3. Slide the battery and remove it from the computer.
Installing the Battery 1. Slide the battery into its slot until it clicks into place. 2. Follow the procedures in After Working Inside Your Computer. Removing the Secure Digital (SD) Card 1. Follow the procedures in Before Working Inside Your Computer. 2. Press in on the SD memory card to release it from the computer. 3. Slide the SD memory card out of the computer. Installing the Secure Digital (SD) Card 1. Push the memory card into the compartment until it is fully engaged with a click sound.
4. Flip the computer around and remove the hinge cover. Installing the Hinge Cover 1. Install the hinge cover and press on it to secure its connection to the computer. 2. Flip the computer and install the screws that secure the hinge cover. 3. Install the battery. 4. Follow the procedures in After Working Inside Your Computer. Removing the Keyboard 1. Follow the procedures in Before Working Inside Your Computer. 2. Remove the battery. 3.
4. Flip the keyboard over and lay it on the palmrest. 5. Disconnect the keyboard cable from the system board. 6. Remove the keyboard from the computer.
Installing the Keyboard 1. Connect the keyboard cable to the system board. 2. Insert the keyboard at an angle of 30 degrees to its compartment. 3. Press down on the keyboard until it clicks into place. 4. Install the battery. 5. Follow the procedures in After Working Inside Your Computer. Removing the Optical Drive 1. Follow the procedures in Before Working Inside Your Computer. 2. Remove the battery. 3. Remove the keyboard. 4. Remove the screw that secures the optical drive. 5.
Installing the Optical Drive 1. Slide the optical drive into the compartment on the left side of the chassis. 2. Tighten the screw to secure the optical drive to the computer. 3. Install the keyboard. 4. Install the battery. 5. Follow the procedures in After Working Inside Your Computer. Removing the Memory Module 1. Follow the procedures in Before Working Inside Your Computer. 2. Remove the battery. 3. Remove the keyboard. 4.
Installing the Memory Module 1. Insert the memory module into the memory socket. 2. Press down on the memory module until the retention clips secure the memory module in place. 3. Install the keyboard. 4. Install the battery. 5. Follow the procedures in After Working Inside Your Computer. Removing the Palmrest 1. Follow the procedures in Before Working Inside Your Computer. 2. Remove the battery. 3. Remove the keyboard. 4. Remove the screws at the base of the computer. 5.
6. Remove the screws that secure the palmrest to the computer. 7. With a plastic carefully pry up the palmrest along the edges. Lift the palmrest and remove from the computer. Installing the Palmrest 1. Insert the palmrest towards the display screen at a 30–degree angle. 2. Starting from the edges of the palmrest, press downwards on the palmrest to engage the tabs on the computer. 3. Connect the power-board cable and touchpad cable to their respective connectors. 4.
8. Follow the procedures in After Working Inside Your Computer. Removing the Power-Button Board 1. Follow the procedures in Before Working Inside Your Computer. 2. Remove: a) battery b) keyboard c) palmrest 3. Peel the power-button board cable from the adhesive affixing it to the palmrest. 4. Flip the palmrest and remove the screw that secures the power-button board to the palmrest. 5. Lift up the power-button board and remove the power-button board cable through the opening.
Installing the Power-Button Board 1. Insert the power-button board cable through the opening. 2. Fix the power-button board to its compartment. 3. Install the screw to secure the power-button board. 4. Flip the computer and attach the power-button board cable to the palmrest. 5. Install: a) palmrest b) keyboard c) battery 6. Follow the procedures in After Working Inside Your Computer. Removing the Hard Drive 1. Follow the procedures in Before Working Inside Your Computer. 2.
Installing the Hard Drive 1. Install the hard-drive bracket to the hard drive. 2. Tighten the screw that secures the hard-drive bracket. 3. Place the hard drive in its compartment and slide it towards the SATA connector to secure it to the system board. 4. Install: a) palmrest b) keyboard c) battery 5. Follow the procedures in After Working Inside Your Computer. Removing the Wireless Local Area Network (WLAN) Card 1. Follow the procedures in Before Working Inside Your Computer. 2.
Installing the Wireless Local Area Network (WLAN) Card 1. Slide the WLAN card into its slot until it clicks into place. 2. Connect the antennae according to the color code on the WLAN card. 3. Install: a) palmrest b) keyboard c) battery 4. Follow the procedures in After Working Inside Your Computer. Removing the Coin-Cell Battery 1. Follow the procedures in Before Working Inside Your Computer. 2. Remove: a) battery b) keyboard c) palmrest 3.
Installing the Coin-Cell Battery 1. Install the coin-cell battery to the coin-cell battery compartment. 2. Connect the coin-cell battery cable to the system board. 3. Install: a) palmrest b) keyboard c) battery 4. Follow the procedures in After Working Inside Your Computer . Removing the Audio Board 1. Follow the procedures in Before Working Inside Your Computer. 2. Remove: a) battery b) keyboard c) palmrest 3. Disconnect the WLAN card antennae hindering access to the audio-board cable. 4.
5. Disconnect the audio-board cable from the system board. 6. Pry the latch to release the audio board. 7. Remove the audio board from the computer.
Installing the Audio Board 1. Insert the audio board into its compartment and clip on the latch to secure it in place. 2. Connect the audio board cable to the system board. 3. Insert the coin-cell battery cable to its compartment and align it in place. 4. Connect the antennae to the WLAN card. 5. Install: a) palmrest b) keyboard c) battery 6. Follow the procedures in After Working Inside Your Computer. Removing the USB Board 1. Follow the procedures in Before Working Inside Your Computer. 2.
5. Lift up the USB board and remove it from the computer. Installing the USB Board 1. Insert and align the USB board into its compartment on the computer. 2. Install the screw that secures the USB board in place. 3. Connect the USB board cable to the system board. 4. Install: a) b) c) d) 5. palmrest optical drive keyboard battery Follow the procedures in After Working Inside Your Computer. Removing the Heat-Sink Fan Assembly 1. Follow the procedures in Before Working Inside Your Computer. 2.
4. Remove the captive screws that secure the heat-sink fan assembly by following the sequence in the image. 5. Remove the heat-sink fan assembly from the computer. Installing the Heat-Sink Fan Assembly 1. Place and align the heat-sink fan assembly. 2. Tighten the captive screws to secure the heat-sink fan assembly. 3. Connect the CPU fan cable to the system board. 4.
5. Follow the procedures in After Working Inside Your Computer. Removing the Processor 1. Follow the procedures in Before Working Inside Your Computer. 2. Remove: a) b) c) d) battery keyboard palmrest heat-sink fan assembly 3. Rotate the processor-cam screw in a counter-clockwise direction. 4. Lift up the processor and remove it from the computer. Installing the Processor 1. Insert the processor into the processor socket. Ensure the processor is properly seated. 2.
Removing the System Board 1. Follow the procedures in Before Working Inside Your Computer. 2. Remove: a) b) c) d) e) f) g) h) i) j) battery SD memory card keyboard optical drive memory module plamrest hard drive WLAN card heat-sink fan assembly processor 3. Disconnect the display cable (1), power connector (2), USB board cable (3), speaker cable (4), audio board cable (5), and the coin-cell battery cable (6). 4. Remove the screws that secure the system board. 5.
Installing the System Board 1. Insert the system board with the LAN, VGA, HDMI, and USB connectors into their respective sockets and align the system board in place. 2. Install the screws that secure the system board in place. 3. Connect the LCD cable, power connector cable, USB board cable, audio board cable, coin-cell battery cable, and the speaker cable. 4. Install: a) b) c) d) e) f) g) h) i) j) 5.
m) hinge cover n) display assembly 3. Release the speaker cable from the routing channel. 4. Press the securing latches and lift up the left speaker. 5. Press the securing latches and lift up the right speaker. 6. Remove the speaker assembly and the speaker cable from the computer.
Installing the Speakers 1. Insert and attach the left and right speakers into their respective compartments. 2. Align and route the speaker cable to the chassis. 3. Install: a) b) c) d) e) f) g) h) i) j) k) l) m) n) 4. display assembly hinge cover system board processor heat-sink fan assembly USB board WLAN card hard drive palmrest memory module optical drive keyboard SD memory card battery Follow the procedures in After Working Inside Your Computer. Removing the Display Assembly 1.
4. Disconnect the WLAN antennae and release it from the routing channel on the chassis. 5. Disconnect the display cable from the system board. 6. Remove the screw that secures the left and right hinges.
7. Lift up the display assembly from the computer and remove. Installing the Display Assembly 1. Insert the display assembly hinges into their holders. 2. Install the screw that secures the right and left hinges in place. 3. Connect the display cable to the system board. 4. Align the WLAN antennae routing cable to its holder and connect the antennae to the WLAN card. 5. Connect the USB board cable. 6. Install: a) b) c) d) e) 7.
4. Remove the bezel from the display assembly. Installing the Display Bezel 1. Align the display bezel in line with the top cover. 2. Starting from the bottom edge, press downward on the display bezel to engage the tabs. 3. Install the battery. 4. Follow the procedures in After Working Inside Your Computer. Removing the Camera 1. Follow the procedures in Before Working Inside Your Computer. 2. Remove the battery. 3. Remove the display bezel. 4.
5. Pry the latch, lift up the camera, and remove it from the computer. Installing the Camera 1. Insert and align the camera module to its compartment. 2. Connect the camera cable to the camera module. 3. Install the display bezel. 4. Install the battery. 5. Follow the procedures in After Working Inside Your Computer . Removing the Display Panel 1. Follow the procedures in Before Working Inside Your Computer. 2. Remove: a) b) c) d) e) f) g) 3.
4. Remove the screws that secure the display brackets and hinges. 5. Release the wireless antennae from the right hinge. 6. Release the display cable from the left hinge.
7. Lift up the display panel and brackets from the display top cover. 8. Remove the screws on the left and right display brackets and remove the display panel. Installing the Display Panel 1. Attach the left and right brackets to the display panel and secure the screws. 2. Insert and route the display cable and wireless antennae to the left and right hinges. 3. Align the display panel with its brackets to the top cover. 4.
a) b) c) d) e) f) g) 8. display bezel display assembly palmrest optical drive keyboard hinge cover battery Follow the procedures in After Working Inside Your Computer. Removing the Display Cable 1. Follow the procedures in Before Working Inside Your Computer. 2. Remove: a) b) c) d) e) f) g) h) battery hinge cover keyboard optical drive palmrest display assembly display bezel display panel 3. Peel off the tape covering the display connection. 4. Disconnect the display cable from the display panel.
Installing the Display Cable 1. Attach the display cable to the display panel. 2. Connect the display cable to the display panel and affix the tape securing them. 3. Install: a) b) c) d) e) f) g) h) 4. 38 display panel display bezel display assembly palmrest optical drive keyboard hinge cover battery Follow the procedures in After Working Inside Your Computer.
System Setup 3 System Setup enables you to manage your computer hardware and specify BIOS‐level options.
Keys Navigation 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. Moves to the next focus area. NOTE: For the standard graphics browser only. Moves to the previous page till you view the main screen. Pressing in the main screen displays a message that prompts you to save any unsaved changes and restarts the system. Displays the System Setup help file.
Advanced Intel SpeedStep Enable or disable the Intel SpeedStep feature. Default: Enabled Virtualization Enable or disable the Intel Virtualization feature. Default: Enabled Integrated NIC Enable or disable the power supply to the on–board network card. Default: Enabled USB Emulation Enable or disable the USB emulation feature. Default: Enabled USB Wake Support Allows USB devices to wake-up the computer from standby. This feature is enabled only when the AC adapter is connected.
Boot Boot Priority Order Specifies the order of different devices in which the computer will boot through at start up. Hard Disk Drives Specifies which hard drive the computer can boot through. USB Storage Device Specifies which USB storage device the computer can boot through. CD/DVD ROM Drives Specifies which CD/DVD the computer can boot through. Network Specifies which network device the computer can boot through.
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. NOTE: Your computer is shipped with the system and setup password feature disabled.
1. In the System BIOS or System Setup screen, select System Security and press . The System Security screen is displayed. 2. In the System Security screen, verify that Password Status is Unlocked. 3. Select System Password, alter or delete the existing system password and press or . 4. Select Setup Password, alter or delete the existing setup password and press or . NOTE: If you change the System and/or Setup password, re-enter the new password when promoted.
Diagnostics 4 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.
• Light off — Battery in full charge mode with AC adapter present. • White light on — Battery in charge mode with AC adapter present. Device Status Lights Turns on when you turn on the computer and blinks when the computer is in a power management mode. Turns on when the computer reads or writes data. Turns on steadily or blinks to indicate battery charge status. Turns on when wireless networking is enabled.
5 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 2. System Information Feature Specification Chipset Intel HM75 Express chipset DRAM bus width 64-bit Flash EPROM SPI 32 Mbits Table 3.
Feature External Specification microphone-in/stereo headphones/external speakers connector Speakers 2 x 2 Watt Volume controls keyboard function keys and program menus Table 6. Video Feature Video type Specification • • integrated on system board discrete Data bus: UMA Discrete integrated video • • PCI-E x16 Gen1 PCI-E x16 Gen2 • • • Intel HD Graphics Intel HD Graphics 3000 Intel HD Graphics 4000 Video controller: UMA Discrete (Vostro 2420) nVidia GeForce GT 620M Table 7.
Feature Specification Network adapter one RJ-45 connector USB three 4-pin USB, 2.0-compliant connectors Media card reader one 3-in-1 (SD/MMC/MS) Table 10. Display Feature Vostro 2420 Vostro 2520 Type HD WLED TrueLife; HD WLED AG Size 14.0 inches 15.0 inches Height 192.50 mm (7.58 inches) 193.50 mm (7.62 inches) Width 324.00 mm (12.76 inches) 344.20 mm (13.55 inches) Diagonal 355.60 mm (14.00 inches) 396.24 mm (15.60 inches) Active area (X/Y) 309.40 mm x 173.95 mm 344.23 mm x 193.
Table 13. Battery Feature Specification Type 6-cell lithium ion (2.20 Whr) Dimensions: Height 20.20 mm (0.80 inch) Width 208.36 mm (8.20 inches) Depth 56.52 mm (2.22 inches) Weight 0.33 kg (0.73 lb) Charge time approximately 4 hours (when the computer is turned off) Voltage 11.1 VDC Temperature range: Operating 0 °C to 35 °C (32 °F to 95 °F) Non-operating –40 °C to 65 °C (–40 °F to 149 °F) Coin-cell battery 3 V CR2032 lithium coin cell Table 14.
Feature Specification Operating 0 °C to 40 °C (32 °F to 104 °F) Non-operating –40 °C to 70 °C (–40 °F to 158 °F) Table 15. Physical Feature Specification Vostro 2420: Height (with a WLED panel) 31.50 mm to 34.70 mm (1.24 inches to 1.36 inches) Width 342.00 mm (13.46 inches) Depth 244 mm (9.60 inches) Weight (minimum) 2.2 kg (4.85 lb) Vostro 2520: Height (with a WLED panel) 31.50 mm to 34.50 mm (1.24 inches to 1.35 inches) Width 376.00 mm (14.80 inches) Depth 260 mm (10.
Contacting Dell 6 NOTE: If you do not have an active Internet connection, you can find contact information on your purchase invoice, packing slip, bill, or 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: 1. Visit support.dell.com. 2. Select your support category. 3.
