I need to know how to factory restore a Toshiba satellite A105-S2101 system unit model #PSAA5U-01300Q serial #56253856Qit is

[Bdean24]

Need help I need to know how to factory restore a Toshiba satellite A105-S2101 system unit model #PSAA5U-01300Q serial #56253856Q it is running Windows XP but don't have the disc it is old computer forgot the passwords to sign on can't got in was going to let granddaughter use it

 

[bignastyid]

http/www.tomshardware.com/forum/id-2317968/read-passwords-lock-codes-pin-numbers.html