how can I unlock the power limit/core voltage

hi, I've got a GTX680M and i am trying to overclock it but all i can change at the moment is the memory clock and the core clock using msi afterburner.
Other people have been able to put up their core voltage and power limit which i can't seem the do :/ my laptop is a medion erazer x6825 and it has a i7-3630QM processor if that makes any difference it'd be great if anyone could help me out thanks! or if i can't what else can i do.. should i just up the memory clock or core clock without the power...
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  1. It's a mobile chip, don't overclock it. You'll damage your GPU and it's not easily replaced.

    MSI afterburner cannot properly overclock anything in the Kepler series or higher. Or the EVGA tool can tweak the voltage.

    But it's a mobile chip
    Do not overclock it.
  2. Alec Mowat said:
    It's a mobile chip, don't overclock it. You'll damage your GPU and it's not easily replaced.

    MSI afterburner cannot properly overclock anything in the Kepler series or higher. Or the EVGA tool can tweak the voltage.

    But it's a mobile chip
    Do not overclock it.


    awh damn, that's a shame ok. is there anything else I might be able to do? a similar software? thanks for the reply too :)
  3. Steven Alley said:
    Alec Mowat said:
    It's a mobile chip, don't overclock it. You'll damage your GPU and it's not easily replaced.

    MSI afterburner cannot properly overclock anything in the Kepler series or higher. Or the EVGA tool can tweak the voltage.

    But it's a mobile chip
    Do not overclock it.


    awh damn, that's a shame ok. is there anything else I might be able to do? a similar software? thanks for the reply too :)


    It's a Laptop. It is what it is, there's nothing that can be done.

    You could consider switching the HD for a SSD (if it isn't one already), but that won't improve FPS.

    You'll need a desktop if you are interested in overclocking or tweaking performance, or you want some room for improvement.
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