Satellite L850-A635 does not wake up from sleep mode

purchase date: 6 june 2012
when i put it in sleep mode it goes to sleep but when i come to boot, it dont wake up unless i take the battery out, put it back and turn on again.
please advise me how can i solve this issue

Hi
Tempro will notify you if new BIOS has been uploaded.
But I recommend you downloading such BIOS manually from the Toshiba European driver page and then to run a update
Read the also FAQ: [how to update the BIOS |http://forums.computers.toshiba-europe.com/forums/ann.jspa?annID=60] before starting such procedure.

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