To remove Dell Bios password manually: If you are  Computer technicians with
superior knowledge, open the laptop, and find the Chip 24C02 on the
motherboard,  and Short circuit the legs 3 and 6 during booting,  See
picture attached, This same chip is located in different position in different dell
laptop motherboards, Using a bent paperclip at an angle short circuit pins 3
and 6. when the 24c02 bios chip is not found you may also look for chip
24c04 and 24c05 Short circuit during booting . only leg 3 and 6 should be
used as shown on picture on right ->
8 7 6 5
KS24C02
1 2 3 4


https://www.youtube.com/watch?v=5JqB4lkVxkA
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