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
Access the UEFI BIOS menu to change startup sequences or enable RAID configurations. Nikon Coolpix P330 P330 Hardware Maintenance Manual - Lenovo Press the front power button; if unresponsive, hold
On some models, pressing Alt+P on a keyboard connected to the specific Gen 1 USB port can turn the computer on. Maintenance & Security
Regularly clean vents and avoid operating the unit inside enclosed furniture to prevent overheating.