How to Fix: Couldn't find Boot disk error while Installing Windows 7 using USB

The 'Couldn't find Boot disk on the BIOS based computer' error occurs when the installation process fails to detect the bootable USB drive as a boot device in the system's BIOS settings. This issue affects users who are trying to install Windows 7 from a USB drive on a Dell Inspiron 1545 laptop, similar to your situation.

This error can be frustrating because it prevents the user from completing the installation process, and the exact solution may vary depending on the specific configuration of the system.

🛑 Root Causes of the Error

• The primary reason for this error is that the BIOS settings are not set to prioritize the USB drive as a boot device. When creating a bootable USB drive, it's essential to ensure that the USB drive is recognized by the system and listed first in the boot order.
• Another possible cause could be issues with the USB drive itself, such as a faulty or corrupted installation media, which may prevent the system from detecting it.

✅ Best Solutions to Fix It

🎯 Final Words

To resolve this issue, try updating the BIOS settings to prioritize the USB drive as a boot device or recreate the bootable USB drive using a reliable method. If you're still encountering problems, consider seeking further assistance from Dell support or a professional IT technician.