On some models, pressing Alt+P on a keyboard connected to the specific Gen 1 USB port can turn the computer on. Maintenance & Security
Read the Hardware Maintenance Manual before replacing components like RAM or M.2 SSDs. On some models, pressing Alt+P on a keyboard
Regularly clean vents and avoid operating the unit inside enclosed furniture to prevent overheating. On some models
Use the color-coded rear ports for monitors (DisplayPort/HDMI) and peripherals. On some models, pressing Alt+P on a keyboard
Press the front power button; if unresponsive, hold for four seconds to force a shutdown.
Access the UEFI BIOS menu to change startup sequences or enable RAID configurations. Nikon Coolpix P330 P330 Hardware Maintenance Manual - Lenovo