• All Settings ⇒ General ⇒ System ⇒ Additional Settings ⇒ Screen Saver Promotion

• All Settings ⇒ General ⇒ System ⇒ Additional Settings ⇒ Home Settings
  • Home Promotion
  • Content Recommendation

• All Settings ⇒ General ⇒ System ⇒ Additional Settings ⇒ Home Settings
  • Power On Screen ⇒ Recent Input

• Auto Power Sync - When enabled, turning on a SIMPLINK-linked device will also turn on the TV, and conversely, turning off the TV will turn off the connected devices.
• Screen Saver
• Show LG Logo when turning off the TV

• All Settings ⇒ General ⇒ System ⇒ Time & Timer ⇒ Timers ⇒ Auto Power Off After 4 Hours

• All Settings ⇒ General ⇒ Energy Saving ⇒ Auto Power Off ⇒ 2 Hours

It is not possibile to disable the image slideshow when entering the No Signal state (e.g. on HDMI input with no signal on the cable). After 15 minutes of no signal, the TV does a power off; it is not possibile to modifiy the 15 minutes wait time.

• All Settings ⇒ Support ⇒ Software Update ⇒ Auto Update

• All Settings ⇒ General ⇒ Devices ⇒ HDMI Settings ⇒ SIMPLINK (HDMI-CEC)

The BMAX Mini PC Gemini Lake N4000 seems that does not support CEC. No mention of CEC function in BIOS and cec-client does not detect a device:

cec-client -l
libCEC version: 6.0.2, compiled on Linux ... , features: P8_USB, DRM, P8_detect, randr, Exynos, Linux, AOCEC
Found devices: NONE

dmidecode -s system-product-name
Intel
dmidecode -s bios-version
V2.0_231
dmidecode -s bios-release-date
09/14/2024