Needed Materials:

7in HDMI LCD Kit
7in HDMI LCD Kit
RaspberryPi 400
RaspberryPi 400
4-Port Surge Strip
4-Port Surge Strip

Final Product:

RPi 400 on desk with attached keyboard, mouse, and 7in Screen
RPi 400 on desk with attached keyboard, mouse, and 7in Screen

Video Walk Through

Reference - 7in HDMI LCD Manual

Step 1

[YouTube Link]

Step 2

[YouTube Link]

Step 3

[YouTube Link]

Step 4

[YouTube Link]

Step 5

[YouTube Link]

Step 6

[YouTube Link]

Step 7

Screen plug in HDMI and USB cables [YouTube Link]

Step 8

RPi Plug in screen, keyboard, mouse, and power cables [YouTube Link]

Step 9

First power up [YouTube Link]

Step 10

[Long]Raspbian configuration and updates [YouTube Link]

Condensed Raspbian configuration and updates

Raspbian configuration and updates [YouTube Link]