Fingerprint readers use biometric technology to identify you by a unique physical characteristic. A finger print reader scans your finger after you start your laptop and place your finger on it. If the scan of your finger matches the one on file, the laptop is unlocked and ready to use.
There are several things you should know about laptop fingerprint readers before you decide whether or not to use one.
Many laptops include a built-in fingerprint reader for security. Fingertip readers are useful to keep anybody but you from accessing data on your laptop because your fingerprint is unique. If your laptop includes a fingerprint reader, see your manual for instructions on using the reader.
If your laptop doesn’t have a built-in fingerprint reader, you can buy an external model such as the Microsoft Fingerprint Reader. These have a wide price range (from about $40 to $200), but they are relatively portable, such as this device from Eikon.
Some fingerprint readers allow you to log in to your laptop by simply swiping your finger over the reader, and some can also store passwords for your online accounts. Laptops or tablets with a touchscreen may allow you to press your finger to the screen to read your fingerprint.
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Source:http://www.dummies.com/how-to/content/for-seniors-utilize-a-fingerprint-reader.html
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