You need to re-install the software that came with the computer, either on CDs or from a recovery sector on the hard drive. This will involve the re-formatting of the hard drive and losing all the old data on it. You will need to consult the manual for your paticular make of computer.
Some manufacturers have a hidden sector on the hard drive instead of providing discs. There is a special set of keystrokes you need to do, during boot up, to invoke this process. Acer laptops use 'Alt' 'F10', others may use 'F12' to bring up a recovery console.
You can check if this secret sector exists by looking in 'control panel', 'admin tools', 'computer management', 'disk management'. Here you may find part of the drive is marked as 'EISA Configuration'.
Please state which windows you are using
Whenever you bought a laptop, a recovery disc is included, you can use that to recover the laptop to its default state.
In order to reset your Samsung laptop the factory settings, you will need to have access the system restore disks that originally came with the computer. You can usually order them if you don't already have a set.
Click "Start>>Run>>Type in CMD" In CMD type in rstrui.exe A new window should pop up for system restore..
delete everything and restore settings to factory settings
There is a little button on the information bar, click on the Toshiba Factory button and then choose restore media defaults and it will reset back to the defaults.
In order to restore a Dell Latitude D800 to its factory settings without discs or downloads, you can use the system restore function in the Windows operating system. You can also use the preinstalled system restore utility that comes with your laptop.
In order to reset your Samsung laptop the factory settings, you will need to have access the system restore disks that originally came with the computer. You can usually order them if you don't already have a set.
restore factory setting on nokia phone
Go to Settings>Restore Factory Settings The default security code is 12345 you gho to internet browser settings then restore factor code s 12345
you will have to downloads loads of software no point
what is restore factroy code nokia 6080
go to settings -> general -> restore factory settings