HP Zbook Windows 10 关机后风扇高速运转且无法进入BIOS求助

Hey Chris, sorry to hear your brand new HP ZBook (awesome Christmas gift, by the way!) is giving you this frustrating fan and BIOS access headache. Let’s walk through some practical fixes that often work for HP laptops when standard BIOS entry methods fail:

• Force a cold boot + nail the BIOS key timing
  Windows Fast Startup can often block BIOS access. First, fully shut down your laptop by holding the power button for 10 seconds until it completely powers off (fans stop spinning). If your ZBook has a removable battery, unplug the power adapter and take out the battery, then hold the power button for 30 seconds to discharge residual power. Reconnect the battery/adapter, then immediately start pressing F10 repeatedly as soon as you hit the power button—HP’s default BIOS key is usually F10, and timing is critical here (you might have missed the narrow window before Windows starts loading). If that doesn’t work, try Fn + F10 instead, as some models require the function key combo.

• Disable Fast Startup via Recovery Command Prompt
  Since you can access the Recovery environment, let’s turn off Fast Startup which might be interfering:

  1. In Recovery, select "Troubleshoot" > "Advanced options" > "Command Prompt"
  2. Enter the command powercfg -h off and hit Enter
  3. Restart your laptop and try pressing F10 again right after powering on

• Unplug all external devices
  Sometimes connected peripherals (like USB drives, docking stations, or even external mice) can disrupt BIOS detection. Unplug everything extra, then try the cold boot + F10 method again.

• Check for hardware safety triggers
  The high-speed fan might be a hardware protective response. Even though it’s a new laptop, double-check that there’s no accidental blockage in the vents (maybe packing material was left inside?). If the laptop feels unusually hot even when idle, that could be triggering a state that blocks BIOS access.

• Hit up HP Support
  Since this is a brand-new Christmas gift, it’s still well within warranty (and possibly return/exchange window). If none of the above steps work, HP’s support team will have model-specific troubleshooting steps or can assist with a replacement—no need to struggle with a new device that’s acting up out of the box.

Hope one of these solutions helps you get into the BIOS to adjust those fan settings, or at least resolves the fan issue. Good luck!

备注：内容来源于stack exchange，提问作者Chris