re desktop rebuild and datadesk keyboard my datadesk mac e keyboard has similar problems i have found that holding down the right hand shift key at startup will work disable extensions but the left hand shift key won t which is unfortunate since the left one is the one i instinctively reach for similarly i have trained myself to hold down the right hand pair of command option for desktop rebuilds i is irritating cheers michael michael smith smith pell anu edu au mathematics research section australian national university
