Restart your computer, and as soon as you see the initial POST boot screen, press the designated key for entering the system BIOS. The key for this varies depending on the manufacturer of your system ...
If your Dell laptop won't turn on, there are a variety of hardware and software problems to troubleshoot.
A relatively common issue being faced by some Windows users is finding that their Numeral Lock key or Num Lock is not enabled, is turned off, not working, or inactive on Startup or reboot in Windows ...
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