Safely Using Digital Devices in a Computer Lab

What is the proper way to turn on a PC in a computer lab?

• Press the power button repeatedly until the computer starts

• Shake the mouse vigorously to wake up the PC.

• Turn on the power switch on the wall, the CPU and the monitor, wait for the system to boot and sign-in to Windows

• Kick the CPU to activate the power.

What are some common solutions to the problems that may arise when using a projector in a computer lab?

• If the projector is overheating, cover it with a cloth to protect it from external factors.

• In case of a blurry image, put on the projector lens cover and wait until it re-adjusts.

• If the projector is not turning on, leave it plugged in until it turns on.

• Adjust the resolution settings on the computer to match the projector's native resolution for optimal display.

How should you set up a projector in a computer lab?

• Connect the projector to the PC using the correct cable and ensure both devices are turned on.

• Place the projector lens facing the wall and turn on the PC, it will auto-detect & configure the projector.

• Turn on the projector first and wait for the projector to connect to the computer automatically.

• Connect the projector to a monitor for better graphics, then turn on the computer.

How should you shut down a PC in a computer lab?

• Pull the power cord from the wall

• Press the power button on the computer

• Select 'Shut Down' from the Start menu or use the keyboard shortcut Ctrl + Alt + Delete and then select 'Shut Down'.

• Close all the windows and leave the computer on

What safety precautions should be taken when using digital devices in a computer lab?

• Place the devices near water or other liquids

• Keep the computer lab door open for ventilation

• Stand near the computer to use it safely

• Follow proper ergonomic practices and keep food and drinks away from devices.

What are some troubleshooting steps for a projector that is not displaying properly?

• Unplug the projector and throw it away

• Hit the projector to see if it starts working

• Change the color settings on the projector

• Check connections, adjust resolution, clean lens, replace bulb if necessary

What cables are needed to connect a projector to a PC?

• VGA, HDMI, or USB-C

• Coaxial, AUX, or Serial

• RCA, DisplayPort, or FireWire

• Ethernet, DVI, or Thunderbolt

What should you do if the projector image is blurry?

• Hit the projector to try to fix the blurry image

• Increase the volume of the projector to improve the image quality

• Move the projector closer to the screen to fix the blurry image

• Adjust the focus and clean the lens if dirty.

What should you do if a PC in the computer lab is running slowly?

• Install more software on the PC

• Delete all the files on the PC

• Check for running background processes and restart the PC

• Ignore the issue and continue using the slow PC

How should you clean the projector lens?

• Use a dirty cloth to wipe the lens in any direction

• Spray water directly onto the lens and wipe it with a tissue

• Use a soft, lint-free cloth and gently wipe the lens in a circular motion.

• Use a rough paper towel and scrub the lens vigorously