How can I format my laptop Windows 7 without CD?

Method 1: Reset your computer from your recovery partition

1. 2) Right-click Computer, then select Manage.
2. 3) Click Storage, then Disk Management.
3. 3) On your keyboard, press the Windows logo key and type recovery. …
4. 4) Click Advanced recovery methods.
5. 5) Select Reinstall Windows.
6. 6) Click Yes.
7. 7) Click Back up now.

How can I do format my computer?

To reset your PC

1. Swipe in from the right edge of the screen, tap Settings, and then tap Change PC settings. …
2. Tap or click Update and recovery, and then tap or click Recovery.
3. Under Remove everything and reinstall Windows, tap or click Get started.
4. Follow the instructions on the screen.