HDR is a technology that enriches the picture on your TV with a wider color gamut, higher color volume, contrast ratio, and more precise color accuracy.
AirTag is a Bluetooth-connected beacon with a limited range of approximately 30 feet. It does not have GPS or Wi-Fi capabilities and can only send data when connected to another Apple device via Bluetooth. If the AirTag is out...
If you need to turn on Roku TV without a remote, you have two main options: using the physical buttons on the case and the official Roku app for smartphones.
16:9 is the most common format in our days, both for TVs and content. But 21:9 is still dominating in theaters and 4:3 is legacy that a lot of people are still watching.
To fix Windows activation error code 0xC004F213 you need to log in to your Microsoft account, try to enter the license key manually, use PowerShell to find out the key written into the motherboard or use the built-in activation error troubleshooting tool.