I had a wierd one like this yesterday, was just about to log a hardware call but then decided to actually read the tec article that came out this month from RM regarding the Ascend 2050`s - seems like it was a driver issue that has been resolved with HSP40 accompanied by leaving the ac mains cable out for a minute. If its a 2050 let me know & I`ll forward you the details. - it worked for me.