Dell laptop users often encounter some difficulty when operating their machines, with one of the most commonly occurring issues being a frozen screen that prevents accessing their computer until restarting it. Luckily, there are various strategies available to them when their Dell computer becomes frozen - one being forcing it shut down manually by pressing a key.
One of the easiest and quickest ways to turn off a device is with its power button. On most laptops, pressing and holding it for five seconds will allow the system to shut down; this method has proven successful on various Dell laptops that have been updated to Windows 10.
Use the F8 key on most laptops to force it into shutting down. It serves multiple functions depending on its purpose; when used during startup it can bring up a menu with troubleshooting tools or enable boot logging capabilities.
Deplete the power supply to force a Dell laptop to shut down. For this, remove both battery and adapter before leaving it without external sources for about 10 minutes, so as to allow any commands that might obstruct an effective shutdown to take effect.
If none of these methods work, an alternate means of forcing the laptop to shut down is to physically disconnect its power switch - typically located on either side or near the bottom of your laptop - then toggle it off, which should force it shut off immediately.
Alternately, you could attempt a reboot in BIOS mode. To do this, it will require resetting all BIOS settings back to default - the BIOS password allows entry. Most commonly Ctrl+Alt+Delete works best; consult your Dell laptop manual for details about optimal key combinations for use.
If your laptop still won't shut off properly, an alternative approach may involve unplugging and plugging back in. While this can be tedious and risky, if nothing else has worked try unplugging while it is running so as not to lose data or cause other problems. If all else fails you could always reach out for assistance from Dell technical support, but just make sure all important data has been backed up so it can be recovered in case of system crashes or other difficulties - good luck!