If you Restore factory setting you can able to do blue tooth set .
Follow the steep ,there is no password need to set factory setteng.
go >setting>security>factory setting.
For blue-tooth set
It is a simply way, Ithink you should can if you follow my instruction. which device do You connectto .If the answer is cell phone ,follow the step.
just enter your Blue-tooth in your PC.
when the icon show your task menu bar just
double click on icon
add>check on my device >next(ensure phone Turn BTon )
Or you can download PDF file for details
you can see the phone model which Bluetooth on.
just select the device >choice any ask code >I will advice you, pleaseselect, let me choice> type any 8 digit >next >now the same number> in your mobile >finish
For dial up go r click on my network>properties>create a newconnection> connect to internet>next >set up manually>connect usingdialup>select your mobile modem>next >type any name >type the exactname and number eg: for Airtel=*99#>next >no user name and password justnext >check on add short cut>and finish.
Just double click on the icon, it will connect soon.
Or you can install PC suit and set it through the following step.
Setting> Setting >participate tic on yes .Doubleclick on phone icon >next>tic on Bluetooth connection >next >selectyes the phone mobile>next
Remember always set the mobile for connection select the yes. Hope it will helpyou.