Service Manual

Fixing a no-boot issue caused by USB emulation

Sometimes the computer does not boot to the operating system when USB devices are

connected to the computer during startup. This behavior occurs because the computer is

looking for bootable files in the USB devices. Follow these steps to fix the no-boot

issue:

1 Turn on or restart your computer.

2 Press F2 when the Dell logo is displayed on the screen to enter the BIOS setup

program.

The BIOS setup program is displayed.

3 On the Advanced tab, select USB Configuration.

4 Select the USB Boot Support to disable it.

5 Save the settings and exit.

Wi-Fi

Alienware Alpha R2 is shipped with Wi-Fi 802.11a/g/n or Wi-Fi 802.11a/g/n/ac.

Turning on or off Wi-Fi

NOTE: There is no physical switch to enable or disable Wi-Fi. It has to be done

through computer settings.

1 Swipe-in from the right edge of the display, or click the Action Center icon on the

taskbar to access the Action Center.

2 Click Wi-Fi to turn Wi-Fi on or off.

Downloading the Wi-Fi driver

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 Scroll down the page and expand Network.

6 Click Download to download the Wi-Fi driver for your computer.