standby?

[megabyte10240]

I have recently reformated by computer and I can't use the standby option

I have a Toshiba satellite A15 - S129

this is what I see:

.

I think I'm missing a driver does anyone know exactly which one it is or where to find it?

Edited August 8, 2014 by AWS

[AWS]

You can get the drivers you need at this page:

 

http://www.csd.toshiba.com/cgi-bin/tais/su/su_sc_modItemList.jsp?moid=513330&rpn=PSA10U&ct=DL&BV_SessionID=@@@@2005762265.1197591802@@@@&BV_EngineID=ccciaddmkelfhdjcgfkceghdgngdgnn.0