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This cable is not giving me 120hz in 4k. It says it should in the description. I'm going to work with customer service for help. But I'm likely going to be returning this. -Update With some adjustments I was able to get this cable to work. I contacted LG They were able to help. If your having the same issue see some things that fixed my problem. • HDMI DEEP COLOR: (LG G1) 1. Press the Settings (Gear Icon) on your LG TV remote to access the Settings menu. 2. Select the 3 Dot’s Icon to access the All Settings. 3. On the All Settings, select GENERAL > DEVICES > HDMI SETTINGS > HDMI DEEP COLOR. 4. Select the appropriate HDMI input from where the device is connected and set the status to ON. •PC/Monitor Settings in NVIDA control panel Under change resolution be sure you choose a resolution under the PC selections. The first ones that will show are HDTV/4K Selections. Be sure to scroll down for the PC resolution settings. Select the PC 3840 x 2160 the 120hz Refresh rate should be under there if your TV is set up correctly. I hope this helps anyone with similar issues.