How to remove Windows 8 and install Windows 7 on a Toshiba Satellite p50-A series laptop

If you want to remove the preinstalled Windows 8 from a new Toshiba Satellite P50-AST3GX2 laptop you need a Windows 7 DVD. You can buy the  Windows 7 DVD at Amazon.

The first step is to turn off UEFI in the BIOS and enable the legacy boot. This will allow the computer to boot from the Windows 7 DVD.

To enter the BIOS

• Insert the Windows 7 DVD into the DVD drive
• Completely turn off the laptop to access the Toshiba BIOS Setup. When you select “Shut down” on the Windows 8 screen the computer only goes to hibernation mode. To completely shut down Windows 8 follow the steps in  How to completely shut down Windows 8.
• Press the power button and continuously tap the F12 button to open the boot menu
• In the boot menu select Enter Setup and press Enter
  

Turn off the UEFI boot mode in the BIOS

• In the BIOS setup select the Security tab on the top of the screen
• Press Enter on the Secure Boot option and select Disabled
• Select the Advanced tab on the top of the screen
• Press Enter on the System Configuration
• Press Enter on  Boot Mode and select CSM Boot

Save the BIOS settings

• Press the F10 key on the keyboard
• On the Exit Saving Changes window press Yes to save the changes
• The computer restarts

Install Windows 7

• The computer will boot from the Windows 7 DVD
• Select Install, Advanced installation
• Delete all partitions on the hard drive
• Create one partition (Windows will create another 100MB system partition for itself)
• Select the large partition as the destination of Windows 7

Windows 7 drivers

• The Toshiba website contains all necessary Windows 7 drivers for this model. You can download them from
  http://support.toshiba.com/support/modelHome?freeText=yd062172s