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The call to UninstallMultipleProtocolInterfaces() will implicitly disconnect any relevant controllers, and there is no specified requirement to explicitly call DisconnectController() prior to callling UninstallMultipleProtocolInterfaces(). However, some UEFI implementations (observed with the USB keyboard driver on a Microsoft Surface Go) will fail to implicitly disconnect the controller and will consequently fail to uninstall the protocols. The net effect is that unplugging and replugging a USB keyboard may leave the keyboard in a non-functional state. Work around these broken UEFI implementations by including an unnecessary call to DisconnectController() before the call to UninstallMultipleProtocolInterfaces(). Signed-off-by: Michael Brown <mcb30@ipxe.org>
iPXE README File Quick start guide: cd src make For any more detailed instructions, see http://ipxe.org