Final answer:
When a user reports an issue with a monitor, the first things to check are the connections, power source, and monitor settings.
Step-by-step explanation:
When a user reports an issue with a monitor, one of the first things to check is the connections between the monitor and the computer. Ensure that the cables are securely plugged in and that there are no loose connections. Sometimes, a loose cable can cause display issues.
Next, check the power source. Make sure the monitor is properly connected to a power outlet and that it is receiving power. If the monitor is not turning on or staying on, it could be due to a power problem.
Lastly, adjust the monitor settings. Check the brightness, contrast, and resolution settings to ensure they are properly configured for the user's preferences. Sometimes, incorrect settings can cause issues with the display.