Open Command Prompt via the Windows original installation disc.
To run chkdsk and sfc, follow these steps: The chkdsk and sfc utilities, part of Windows, can detect issues with your HDD. Restart your computer to test if it boots correctly. If you recently added a new piece of hardware, follow these tips: You can now try to uninstall recently added hardware drivers or software applications. The Advanced Boot Options screen in Windows Vista Follow these instructions on how to burn the bootable ISO image very carefully, as making a bootable CD can be tricky! Alternatively, these instructions explain how to create a bootable EasyRE recovery USB stick/drive. This guide can help you identify what version of Windows you have installed. Make sure to note your Windows version (XP, Vista, 7 or 8) before you download EasyRE. Using Easy Recovery Essentials (EasyRE) and its built-in Automated Repair process, you can find and fix various boot errors that prevent your computer from starting.