Dell Inspiron 3521 driver and firmware
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Owners Manual - Page 2
... your computer.
CAUTION: A CAUTION indicates potential damage to hardware or loss of data if instructions are not followed.
WARNING: A WARNING indicates a potential for property damage, personal injury, or death.
© 2012 Dell Inc.
Trademarks used in this text: Dell™, the DELL logo, and Inspiron™ are trademarks of Dell Inc.; Microsoft®, Windows®, and the Windows start...
Owners Manual - Page 7
... of your operating system for shut-down instructions. 3 Disconnect your computer and all attached devices from their electrical outlets. 4 Disconnect all telephone cables, network cables, and attached devices from your computer. 5 Press and hold the power button for 5 seconds, after the computer is unplugged, to ground the system board.
Safety Instructions
Use the following safety guidelines to...
Owners Manual - Page 8
...aligned to avoid bending any connector pins. When connecting cables, ensure that the connectors and ports are correctly oriented and aligned. CAUTION: To disconnect a network cable, first unplug the cable from your computer and then unplug the cable from the network device. CAUTION: Press and eject any installed card from the media-card reader.
Recommended Tools
The procedures in this document may...
Owners Manual - Page 37
... a wireless mini-card with your computer, the card is already installed. Your computer has a half wireless mini-card slot which supports a Wireless Local Area Network (WLAN) + Bluetooth combo card.
Prerequisites
1 Remove the battery. See "Removing the Battery" on page 11. 2 Follow the instructions from step 1 to step 2 in "Removing the Memory Module(s)"
on page 15. 3 Remove the optical-drive...
Owners Manual - Page 51
... the BIOS settings before removing the coin-cell battery.
Prerequisites
1 Remove the battery. See "Removing the Battery" on page 11. 2 Follow the instructions from step 1 to step 2 in "Removing the Memory Module(s)"
on page 15. 3 Remove the hard-drive assembly. See "Removing the Hard-Drive Assembly" on
page 23. 4 Remove the optical-drive assembly. See "Removing the Optical-Drive Assembly...
Owners Manual - Page 53
... "Replacing the Optical-Drive Assembly" on
page 21. 5 Replace the hard-drive assembly. See "Replacing the Hard-Drive Assembly" on
page 25. 6 Follow the instructions from step 3 and step 4 in "Replacing the Memory Module(s)"
on page 17. 7 Replace the battery. See "Replacing the Battery" on page 13. 8 Follow the instructions in "After Working Inside Your Computer" on page...
Owners Manual - Page 93
... the system board. To flash the BIOS:
1 Turn on the computer. 2 Go to support.dell.com/support/downloads. 3 Locate the BIOS update file for your computer:
NOTE: The Service Tag for your computer is located on a label at the back of your computer. For more information, see the Quick Start Guide that shipped with your computer. If you have your computer's Service Tag or Express Service Code: a Enter...