Inside View Of Your Computer - Dell OptiPlex 7490 All-In-One Setup And Specifications

1. Display Built-in Self Test 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 selftest
for the display.
Press and hold down this button, and then press the power button to turn on the computer. The built-in color pattern for
the LCD monitor will appear on the screen.
For more information, see the Troubleshooting section in the Service Manual at www.dell.com/support/manuals.
2. Service tag label

Inside view of your computer

NOTE: The appearance of heat sink differs depending on the graphics configuration you ordered.
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