BF97 Unlock bios,Hard-Driv password Precision 3520,Precision 3530,Precision 3510

Description

How to unlock bios password for Dell with service tag BF97
If you have a Dell notebook with ServiceTag (System number):
BF97
we remove password from BIOS or HDD.
How to remove the password? Here?s an instruction:
When you turn on your notebook, you should wait for the screen with a password.
Here you will find
system number
It?s a string of seven digits, then dash and at the end:
BF97
,
for example on
my picture
system number is:
CLY9SQ2-BF97
Send us your system number  that you want to unlock or upload photo with system number appears and we will send you the password
After entering your password, press the
left Ctrl
key and continue holding it, press
Enter key.
Your laptop is unlocked
We will always try to respond within 5-30 minutes or less during work hours
The Master Password works 100% guaranteed! If not, we will refund your payment!