a media driver your computer needs is missing usb

To download the tool, go to the following Microsoft Download Center website:ĭownload the Microsoft File Checksum Integrity Verifier toolĪt a command prompt, type the following command, and then press Enter: Install the Microsoft File Checksum Integrity Verifier tool. To compare the SHA1 values for the ISO file that you downloaded, follow these steps: However, the Microsoft Volume Licensing Service Center (VLSC) site currently does not list checksums or SHA1 values. Each ISO file that you download from the MSDN Subscriber Downloads website has a SHA1 value that you can compare with the SHA1 value on the MSDN Subscriber Downloads website. When you troubleshoot this issue, first check whether the ISO file is corrupted. Test your DVD drive by using an official Windows installation DVD.Īttach the ISO file to a virtual machine to check whether it is corrupted. Run the DVD on a different computer to determine whether the DVD works correctly. Use one of the following methods to troubleshoot this issue, as appropriate for your situation: The speed at which the installation DVD was burned was too fast. The installation DVD is removed during the setup process.Ī low-quality DVD was used to create the installation DVD. This issue occurs for one of the following reasons: Use the Windows 7 USB/DVD Download tool to create a bootable USB flash drive, and then use the USB flash drive to install Windows. Update the BIOS firmware for your DVD drive. Use a better quality DVD to create the installation DVD. To resolve this issue, use one of the following methods, as appropriate for your situation:īurn the installation DVD at a slower speed.

Note: If the Windows installation media is in the CD/DVD drive, you can safely remove it for this step If you have a driver floppy disk, CD, DVD, or USB flash drive, please insert it now.

A required CD/DVD drive device driver is missing.

A media driver your computer needs is missing usb