For a list of computers that support SupportAssist OS Recovery, see the Dell SupportAssist OS Recovery Support Matrix. To reinstall the operating system due to a computer crash, hard drive replacement, or other serious software problem with your Dell computer?ĭell Technologies recommends that supported computers use Dell SupportAssist OS Recovery Automated by SupportAssist for a premium restoration experience. NOTE: Windows 11 ONLY supports the Automated by SupportAssist option.