Service Manual

9 Replace the coin-cell battery.
10 Replace the battery.
11 Replace the computer base.
12 Replace the rear I/O cover
13 Replace the solid-state drive.
14 Replace the wireless card.
15 Replace the base cover.
Flashing the BIOS
You may need to flash (update) the BIOS when an update is available or when you
replace the system board. To flash the BIOS:
1 Turn on your computer.
2 Go to www.dell.com/support.
3 Click Product support, enter the Service Tag of your computer, and then
click Submit.
NOTE: If you do not have the Service Tag, use the auto-detect
feature or manually browse for your computer model.
4 Click Drivers & downloads → Find it myself.
5 Select the operating system installed on your computer.
6 Scroll down the page and expand BIOS.
7 Click Download to download the latest version of the BIOS for your
computer.
8 After the download is complete, navigate to the folder where you saved the
BIOS update file.
9 Double-click the BIOS update file icon and follow the instructions on the
screen.
Boot menu
This computer includes a one-time boot menu. By using this feature, you can
change the sequence of devices that your computer attempts to boot from, for
example, CD-ROM, hard drive, or network.
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