Dell Latitude X1 - Manual (Page 6)

power button — Press the power button to turn on the computer or to enter or exit a power management mode.
Back View
security cable slot — Lets you attach a commercially available antitheft device to the computer. For more information, see the instructions included with the
device.
Bottom View
NOTICE: To avoid losing data, use the operating system to shut down your computer instead of pressing the power button.
1 security cable slot
NOTE: Before you buy an antitheft device, ensure that it will work with the security cable slot.
1 battery-bay latch releases (2)
2 battery charge gauge
3 battery
4 speaker