Zkus nasledujici....
http://www.sevenforums.com/performance-maintenance /30806-7-25gb-ram-usable.htmlhye i've had this problem same as you ..
if you goto msconfig
-boot
-advanced options
then untick the maximum memory options
and it should be fixed! ^^
please get back to me if this has solved your problems ^^
msconfig (Enter)
zalozka Spusteni pocitace
okenko Upresnit moznosti
Odskrtnout Maximum pameti