P330 -

Press the front power button; if unresponsive, hold for four seconds to force a shutdown.

Use the color-coded rear ports for monitors (DisplayPort/HDMI) and peripherals. Press the front power button; if unresponsive, hold

Place on a stable, well-ventilated surface near a grounded outlet. Press the front power button

Read the Hardware Maintenance Manual before replacing components like RAM or M.2 SSDs. Press the front power button; if unresponsive, hold

Access the UEFI BIOS menu to change startup sequences or enable RAID configurations. Nikon Coolpix P330 P330 Hardware Maintenance Manual - Lenovo

Regularly clean vents and avoid operating the unit inside enclosed furniture to prevent overheating.