MSI 780 Lighting overclocking help

[Ashleydoll]

Hello everyone.

After trying on my own to get some kind of stable overclock on my 780 and after reading numerous guide's and videos, i'm at my wits end trying to figure it out. Using MSI afterburner and even just moving 1 slider to say +1 the nvidia graphics driver always crashes when trying running unigine valley on the stock bios.

However when i then switch over to the LN2 bios and try overclock on that i can get to +300mhz core clock and to +400Mhz on the memory clock. However the display driver again will always crash at some point through the valley test and even after backing the sliders off i still get the same display driver crashes.

Any thoughts on what i am doing wrong or is there something else like i need a better power supply?

 

[Chasp_0]

I wouldnt suspect the PSU yet as on LN2 bios which im guessing will allow for more voltage. But thats an un-educated assumption so dont take it as gospel

Im likely going to say the same old stuff as most forums but....have you reinstalled the nvidia drivers?
Is this a new issue or new card?
Does the card work OK with the stock settings?
Im picking you cant get any screenshots in afterburner when the event happens?

I would say do the drivers first and then get back on here and tell me how useless that was and it didn't help at all
Good luck, I will check back tomorrow

 

[WillSK]

+300 on the core is insane... Are you sure this is right

For reference, I just re overclocked my 780 classified and am running +140 on the core and +600 on the memory I believe running at 1.218volts

 

[JR23]

My friend has a Lightning and finds that it overclocks better in LN2 mode, my classy's do too but they suddenly become uber power hungry. The only problem was one day his rig started black screening and after a bit of safe mode and diagnostics we found it was because afterburner was trying to apply +2500MHz on the core every time it booted, switching it back to normal and un-installing after burner was the only way to save it, I don't think he runs LN2 mode anymore.

The best i've got out of my Classy's is 1267/6600 and after that drivers be cray. I have found though that restarting and letting everything load and then loading a safe profile sometimes prevents driver crashes as opposed to just backing off the OC and doing another run. 1241/6200 is the most i'd run daily because they seem to enjoy that.

JR

 

[Ashleydoll]

Thanks for the comments everyone

The card is kind of new as i have had it for about 5 months now, and yes i have tried on different graphics driver's. The card is fine on either bios at stock (but you dont get this card to run at "stock" )

I'll try running with just the core clocked at 140 or there about and see if it will not have driver crashes with that.

Also on a side note kinda, could it be windows 8.1? as when i overclock my cpu after i few days windows 8 gives its version of a blue screen and wont let me run windows without it crashing again untill i put the cpu back to "stock" settings.

EDIT:

Ok so after tinkering for a few hours i have found a stable overclock on the LN2 bios which i'll upload an image so you can see.

However on the stock bios in unigine valley the core clock is registered at 1302MHz at stock, which is more than what i can get on my overclock sooo basically it looks like i'll just have to keep it at stock, leave the core clock alone and just overclock the memory...