SOLUTION -1.
You can reset bios password in two ways.
1. Open back cover of laptop,
2.Pull cmos cell from motherboard, wait for 15 minutes then put it back.
3. The computer will not ask password.
SOLUTION -2.
Using jumper settings
1. Find the jumper on the motherboard named clear cmos it has 3 pin .1-2-3
2. Place jumper in 2-3 position.
3. Then put it in 1-2 position again.
SOLUTION -3.
You can also check another solution by clicking
Top 3 methods to crack bios password!
I hope it helps.
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All the best.