my RAM is stuck at only 1333 and it wont let me change it in the bios?

gomilly

Honorable
Oct 1, 2012
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i have an 8gb stick of transend 1600mhz ram, the bios says its at 1333 and the button on it wont let me change anything when i click it. i have a 2600 i7 and an h77n wifi mobo.
Any ideas?