Xfinity is a popular cable television provider in the United States. The telecommunications company, Comcast Cable Communications, LLC owns this service. Even though digital satellite TV is their primary service, they also market internet, television, and wireless services. Initially, they did their business under the name, Comcast and later changed it to Xfinity.
Moreover, the company soft-launched X1 (Xcalibur). It is a new hardware and software platform for its television services. X1 features wider support for internet content and video streaming apps. Also, it includes a voice recognition input remote control. Then, it has more features that give us the ultimate viewing experience. You can add many streaming apps, movies, and on-demand with X1.
How to Change Brightness on Xfinity TV?
X1 or Xfinity TV allows you to customize your TV through their, 4K ultra HD, DVR storage, etc. Similarly, changing the brightness on Xfinity TV is one of them. It is quite easy with some simple steps in this guide. So, look over the below instructions and follow them to adjust the brightness quickly.

Step 1:
First of all, press the Xfinity button using your X1 remote control.
Step 2:
Go to, Settings using the right arrow or left arrow button and press OK. (Press the center button in the directional pad if your remote does not have the OK button)
Step 3:
Now, select, Device Settings using the down arrow button and press OK.
Step 4:
Then, highlight “Device Lights” using the down arrow button and press OK.
Step 5:
Next, select “Power Light Brightness” and press OK.
Step 6:
Further, adjust your brightness level using the left arrow or right arrow button.
Step 7:
Finally, press OK and Exit to finish the process.
Changing the Brightness of your Smart TV
If the above method did not give you the expected output, you can use this method alternatively. You can try to adjust the brightness of your Smart TV in case you are not satisfied with the result. However, the method for adjusting brightness varies with various Smart TVs. Some of the Smart TVs include LG Smart TV, Samsung Smart TV, Vizio Smart TV, JVC Smart TV, etc.
Final Note
Conclusively, that is a brief and precise note on changing the brightness on Xfinity TV. So, you can follow each and every step to get it right. Whether you can maximize the brightness level or minimize it using this method. Hope this guide helped regarding your search to adjust the brightness on X1 TV.
People Also Ask
How do I turn off auto HD on Xfinity?
If you want to turn off the Auto HD Feature on your Xfinity TV, go to Highlight Preferences and press the OK Button on your Remote controller. Then, tap on the General option and press the OK Button. Finally hit the Prefer Best Available Resolution option and turn it off.
Why is my Xfinity Screen black?
The black screen of Xfinity can be caused by cable connection issues, input device issues, or outdated firmware updates. Whatever the reason may be, you should tighten your cable connections to ensure that they are not loose. Also, ensure that your TV is set to the proper input.

Elango is a Senior Content Writer for ‘Quick Smart Guides’, writing about the latest in tech with a particular focus on daily use devices and streaming services.