![]() ![]() When the cable is unplugged, that disappears. When I enter Settings on my laptop (Start -> Settings -> System -> Display) while the HDMI cable is connected, I get a blue rectangle on the Display settings page that has a "1/2" displayed on it. We tried uninstalling and reinstalling my video driver. We tried rebooting both laptop and projector in various orders. I tried my laptop again, and it still didn't work. I tried a colleague's laptop, and the projector worked fine with that other laptop. Now, almost two years later, when I tried to do that again, the projector showed only an empty blue screen. ![]() Press the physical HDMI button or the HDMI Icon on the touchscreen.When I taught at school before coronavirus, I used to plug an HDMI cable into my laptop, and the machine in the classroom would share my laptop's screen image through the projector. The projector or LCD Screen should turn on. Press the “HDMI” button on the touchscreen or the physical button. HDMI Cable with Mini DisplayPort cable attached. If using a HDMI Port, the white adapter in the room should not be connected to anything. The adapter plugs into the USB-C port and then the HDMI cable connects to the adapter. ![]() If using USB-C, you will need to check out an adapter from RM 205. If your laptop uses a Mini DisplayPort connection, use the White HDMI to Mini DisplayPort adapter which is tied to the HDMI cable. Some rooms have the cable permanently attached to the wall, other rooms have a wall or rack connection for the cable. PC Laptop with both a Mini DisplayPort and HDMI connector USB-C Connection on a Mac LaptopĪttach the HDMI Cable - Every COM maintained classroom has a HDMI for attaching to the AV system. Mini DisplayPort on a Mac Laptop HDMI Connection on a Mac Laptop If your computer has multiple types of connections, either can be used. Step 1:įind the HDMI, MiniDisplay, or USB-C Port connection on your device. ![]() This guide will show the steps needed to connect these devices. Most cell phones and tablets can be connected the same way with the use of an adapter. Connecting a Laptop to a COM Classroom AV SystemĪlmost all laptops made within the 4-5 years feature a HDMI, Minidisplay, or USB-C port for connecting the computer to a screen or projector. ![]()
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