Bottom - Dell Inspiron 27 7720 All-in-One Owner's Manual

8. Universal headset jack
Connect audio-output devices such as speakers, amplifiers, and so on.
9. SD-card slot
Reads from and writes to the SD card. The computer supports the following card types:
● Secure Digital (SD)
● Secure Digital High Capacity (SDHC)
● Secure Digital Extended Capacity (SDXC)

Bottom

Figure 5. Bottom view
1. Power button
Press to turn on the computer if it is turned off, in sleep state, or in hibernate state.
When the computer is turned on, press the power button to put the computer into sleep state; press and hold the power
button for 10 seconds to force shut-down the computer.
NOTE: You can customize the power-button behavior in Windows.
2. Display Built-in Self Test button/Input-source selection button
This button has two functions:
● When the computer is on, use this button to select the video input-source.
Press the button to switch the display between the internal system display and HDMI input.
● When the computer is off (there is no power; neither is it in sleep state nor hibernate state), use this button to run the
built-in self-test for the display.
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