To fix this issue, you can change the boot order in BIOS program of your PC to list the CD/DVD drive first. Also note that, if fail press a key immediately after seeing the above message, your computer will try to boot from the next device, which is present in the boot order system, which could be hard drive.īut, If you get a message saying 'No Operating System Found' or 'NTLDR is Missing' instead of above screen, the reason could be PC has not been booted from CD/DVD drive. Look for an option 'Press any key to boot from CD or DVD.' See the below screenshot for better understanding.īe sure to hit the any key to allow your machine to boot from Windows 7 professional DVD. Once you boot PC from DVD, follow each step mentioned below carefully. To start installing the Windows 7 professional, you need to boot the system with the Windows 7 Professional DVD.

Internet access for Windows activation and Windows update.īelow are the detailed steps with screenshots about the installation of Windows 7 Professional in your PC.It must support DirectX 9 graphics with 128MB memory for enabling Aero theme.Checklist containing pre-installation requisitesīelow are the minimum recommended system requirements for installation of Windows 7 Professional operating system in a computer:.

Options to partition hard disk in your PC.Compatibility of software and hardware in your machine.

There are a few mandatory things to be considered before installing Windows 7 professional:

Windows 7 professional 64 bit