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Dell Vostro 2421 Owner's Manual - Page 5
... telephone service and support team.
CAUTION: Handle components and cards with your warranty. Hold a component such as directed by a certified service technician. For additional safety best practices information, see Turning Off Your Computer). 3. NOTE: The color of your computer (see the Regulatory Compliance Homepage at www.dell.com/ regulatory_compliance
CAUTION: Many repairs...
Dell Vostro 2421 Owner's Manual - Page 6
... use batteries designed for other Dell computers.
6 b. Click the...replacement procedure, ensure you turn off . Turn the computer top-side up. 9.
While you shut down
a. In Windows 7:
and select Shut down the operating system: - or
1. In Windows 8: * Using a touch-enabled device: a.
Remove any external devices, cards, and cables before opening the Charms menu and select Settings...
Dell Vostro 2421 Owner's Manual - Page 37
...), when the Dell logo appears, you can:
• Access System Setup by pressing key... most of the system setup options, changes that you can :
• Change the NVRAM settings after you add or ...Setup‐defined boot device order and boot directly to a specific device (for example: optical drive or hard drive). System Setup
System Setup enables you to the previous field. From the System Setup...
Dell Vostro 2421 Owner's Manual - Page 38
... and restarts the system. Product Name
Displays the product name and the model number. Service Tag
Displays the service tag of your computer. CPU ID
Displays the processor ID.
Asset Tag...of the computer.
CPU Type
Displays the type of the processor.
Displays the System Setup help file.
Main Options
Option System Time
Description
Allows you to the previous page...
Dell Vostro 2421 Owner's Manual - Page 39
Displays the memory installed on -board devices.
39 Virtualization
Enable or disable the Intel Default: Enabled...model number and capacity of the AC adapter. Displays the type of the optical drive.
The Advanced tab allows you enable or disable various on the computer. USB Emulation
Enable or disable the USB Default: Enabled emulation feature. USB Wake Support
Allows USB devices to set...
Dell Vostro 2421 Owner's Manual - Page 41
... your BIOS (system setup), on replacing the system board or if an update is available on to your computer. For notebooks, ensure that you have your computer.
a) Enter the Service Tag or Express Service Code and click Submit. System and Setup Password
You can create a system password and a setup password to support.dell.com/support/downloads. 3. Password that your computer battery...
Dell Vostro 2421 Owner's Manual - Page 45
....
4. Troubleshooting
Enhanced Pre-Boot System Assessment (ePSA) Diagnostics
The ePSA diagnostics (also known as system diagnostics) performs a complete check of problems encountered during testing
CAUTION: Use the system diagnostics to stop the diagnostic test.
5. The Enhanced Pre-boot System Assessment window is embedded with other computers may cause invalid results or error messages...
Dell Vostro 2421 Owner's Manual - Page 46
... attached to your laptop. Turns on
An unauthenticated or unsupported non-Dell AC adapter is enabled...keyboard indicate the following: Table 8. Beep Codes
The computer may emit a series of beeps during start-up if the display cannot show errors or problems. These series of beeps, called beep codes, identify various problems. The delay between each beep is 300 ms, the delay between each set...
Dell Vostro 2421 Owner's Manual - Page 51
Touchpad Feature Active Area:
X-axis Y-axis
Table 20. Keyboard Feature Number of keys:
Table 19. Table 17. Battery Feature Type
Dimensions: Height Width
vostro 2421 14.0 inches HD WLED
320.90 mm (12.63 inches) 205.60 mm (8.09 inches) 355.60 mm (14.00 inches) 320.90 mm x 205....
Dell Vostro 2421 Owner's Manual - Page 52
AC Adapter Feature Type
Vostro 2421 with integrated video card Vostro 2421 with discrete video card Input voltage Input current (maximum) Input frequency Output power Output current Rated output voltage Temperature range: Operating Non-Operating
Table 22. Feature Depth Weight
Life span Voltage
Temperature range: Operating Non-Operating
Coin-cell battery
Table 21. Physical Feature Height...
Dell Vostro 2421 Owner's Manual - Page 55
... or region in the Choose a Country/Region drop-down menu at the top of page. 4. Dell provides several online and telephone-based support and service options. To contact Dell for sales, technical support, or customer service issues: 1. Verify your area. Contacting Dell
NOTE: If you do not have an active Internet connection, you can find contact information...
Dell Vostro 2421/2521 Setup And Features Information - Page 1
... 12. hard-disk activity light 14. Dell Vostro 2421/2521
Setup And Features Information
About Warnings
WARNING: A WARNING indicates a potential for property damage, personal injury, or death. optical drive eject button 7. optical drive 6. power status light 15. keyboard 16. Front View
1. touchpad buttons (2)
10. power button
Regulatory Model: P37G, P27F Regulatory Type...
Dell Vostro 2421/2521 Setup And Features Information - Page 4
... best practices information, see www.dell.com/regulatory_compliance
WARNING: The AC adapter works with the fan or the computer. power connector 2. Using an incompatible cable or improperly connecting the cable to avoid damaging the cable. Figure 4. NOTE: Some devices may cause fire or equipment damage. USB 3.0 connector (2) 6. Quick Setup
WARNING: Before you disconnect...
Dell Vostro 2421/2521 Setup And Features Information - Page 5
... you install any cards or connect the computer to turn on the computer. Power AC adapter:
Vostro 2421 / Vostro 2521 with integrated video card Vostro 2421 / Vostro 2521 with your computer.
Power Button
NOTE: It is recommended that you turn on and shut down your computer. Figure 6.
Figure 7. The following specifications are only those required by region. USB Connector...
Dell Vostro 2421/2521 Setup And Features Information - Page 6
... a registered trademark and owned by Dell Inc.
Microsoft®, Windows®, MS-DOS®, Windows Vista®, the Windows Vista start button, and Office Outlook® are either trademarks or registered trademarks of Microsoft Corporation in the United States and/or other countries. Physical Height (4-cell) Width Depth Weight (Minimum)
Vostro 2421 25.00 mm (0.98 inches...
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