Inside Update Stalls during download

Windows 10 Insider Preview 16241.1001 (rs_prerelease) stalls at 75% of download

Waited as suggested by someone on Google. Six hours 34 minutes later I am at 97%. I guess patience is truly a virtue

Well talk about ltalk too soon. The update finished loading, the pc rebooted and when it came back up i has a black hp screen which then switched to another screen that said "found no boot device...please install an operating system so you can contine. So apparently the update overwrote the old OS and never installed the updated one. BEWARE MY FRIENDS BEWARE