Summary: Lenovo U300s 10802BU 13.3-Inch Ultrabook (Graphite Grey) . I bought 2 new U300s on line from Lenovo USA....... my wife brought it back to Australia. WHAT THE ??!!?? Both units's rapid boot from sleep does not work? Contacted Lenovo, might have to ship both ultrabooks back to Texas for a replacements..... Spent more than 1 hour with tech support from USA.... no luck, flashing BIOS, reinstalling drivers, changing power settings all did not work.