PRIVACY PROTECTION PASSWORD

you will may after hard reset the tablet

do a factory reset Samsung Galaxy Tab 4 Steps For Hard Reset

did you install any app that has an anti-theft service,,it is very possible if such kind of application is there..


Good luck

most app can be removed safely by holding your finger on the icon and when it starts ti flash then click the delete button
delete all apps that are not every day users ( and most will not be )

Best way to unlock pattern lock on any pattern locked device is whit unlock pattern lock software available for free download on this page : http://www.unlockphonetool.com/how-to-unlock-pattern-lock-on-any-device/ How To Unlock Pattern Lock On Any Device

If it's an android device...
1. Enter wrong pattern 5 times and wait for 30 seconds.
2. Select "Forgot pattern" and enter your email account username and password.
3. Make sure you use the same account that was used to activate the device and double check the password by logging in to that email account in a browser.
4. If you don't have access to the original email account, you will need to do a hard reset and loose your settings and apps on the devcice. The data on the memory card will not be wiped though.
Note: if you can't remember your email password, you will have to visit the email service support page to get it reset.
also, see here...
http://www.androidtablets.net/forum/android-tablet-usage-tips-tricks/6280-forgot-your-unlock-pattern.html
or here... http://mytabletguru.com/forgot-password-pattern-unlock-of-android-tablet/

Bring it to a repair station, have them effect a factory reset. This will clear all the data in your tab.

I can lock up my Facebook, WhatsApp, Clash of Clans, Messenger, Gallery and other important apps which may leak your privacy with LEO Privacy. And I can also customize my lock mode which allows me to lock different apps under different circumstances. it is really an smart applock, you will never worry about forgetting password. LEO Privacy Applock Boost Hide Android Apps on Google Play

1. At the BIOS password prompt ("PASSWORD = "), press and release the following keys, one after another:
Ctrl, Tab, Ctrl, Enter
The computer's response should be:
PC Serial No.= XXXXXXXXX
Challenge Code= XXXXX XXXXX XXXXX XXXXX XXXXX
Response Code=

2. Get response code from your local toshiba support center
Then follow the instructions the support guy will give you to unlock the laptop