Ouch! It's an Acer - the world's worst for support. Was it exactly the same, or did they drop out at other times/ways? I wouldn't even send it to them to look at - my past discussions with them left me feeling like they knew less than the average user... Was it the chip itself - newer firmware or failure? Or was it a mobo connection perhaps? Did you ever find out if it was a power or signal issue? On 3/30/2010 4:12 PM, William Wilson wrote: > I've had something similar happen on 3 lenovo/IBM laptops and every time > it was the drive controller chip on the mobo. Replacing the mobo fixed the > problems with the drives dropping out. > > It may be worth checking > -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist