It should be locked if you have a password set on all your user accounts
Since you are using Win 7, you can encrypt entire hard drive with BitLocker. Search "BitLocker" on google, you can get many how-tos about encrypting drive. If you don't want to encrypt the drive or you are afraid you will lose all content in drive when forgetting the password, you can also use third party software such as Kakasoft Advanced Folder Encryption to lock and hide drive with password.
Yes, you can delete windows 7 by formatting your drive, but all of your files will be gone. If you have two hard drives, you can either copy your data from one drive to the other or put xp/vista on the second one and use the windows 7 drive as a slave.
depends on which o.s(operating system example linux, xp, vista and so on...) you are running
You may have a hotkey on your keyboard, or you can go to Start > Arrow Beside Shutdown, Hibernate, Sleep etc. > Lock. I hope that this helps! Other Windows 7 tips are available at the link below.
You can install Windows 7 from optical drive (CD, DVD), hard drive (a local copy), network or USB device.
Windows 7 and Windows XP are operating systems. You cannot format operating systems. But you can format your hard disk or hard drive. You can use Windows XP bootable CD to format HDD, but you will have to use Windows 7 Bootable Installation disk to install OS on your formatted drive.
You would need to buy Windows XP and install it on your hard drive to replace Windows 7. However there are programs that can run a simulator of XP while running Windows 7.
Asus deliver Windows based PC's both with and without CD/DVD-Drive.
During installation, Windows 7 will need about 16GB on a hard drive.
When you are getting ready to install the OS, either Windows 7 or Windows XP. It has an option to Format or Partition a hard drive. If you use the partition function you can decide how much you want to take out of the hard drive storage.
You can re-install Windows 7 (or a different OS over Windows 7) by mounting an ISO disc file to your ROM drive or by placing the Windows 7 (or a different OS) installation disc into your physical ROM drive. When you install Windows over Windows it will create a Windows.old folder in your C drive directory which contains all of your old files from your previous installation.
http://www.youtube.com/watch?v=mu5hlsn2Kf8 No more trouble now. Works on Windows 7 as well!