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Posted by Min
 - January 26, 2016, 10:18:22
If I'm gonna buy a "gaming laptop", i'd be much more concerned for it to not over heat, than care about OC.

I THINK I'd leave the OC thing to desktop-level GPUs and CPUs.

"I'm not gonna buy an Nvidia gaming laptop if it's not shipped with OC"

Yall are just crybabies :v

Oh wait, you all already are. Being butthurt and complaining about your "gaming laptops" dying with desoldered chips because constant overheating. Then looking forward for a replacement.

IMO, laptops will never ever belong to the Gaming world... Nor even to the OC world. Stop being an a** and use them "as they are".

Leave the rest to desktops, which they have enough horse power to move all the OC and Games you want.

... or go mow the lawn or whatever, slut.
Posted by SDEagle
 - March 10, 2015, 19:27:35
"Perhaps you're using the driver from Asus and they've modified them, removing the lock?"

Not exactly. I downloaded the 344.75 directly from the Nvidia website, but like how you said, it could be specific to few recent laptops/chipsets only.
Posted by Andrey Konstantinov
 - March 06, 2015, 20:04:40
Quote from: SDEagle on March 04, 2015, 19:42:36
This is interesting, as I've got 344.75, and I'm able to overclock GPU on my ASUS G751JT-CH71 (GTX 970M), without any issues.

It seems that not every GTX 900M GPU is vBIOS-locked, otherwise this limitation would have been discovered much earlier. It must have started from a certain batch and the GTX 970 in your G751JT isn't part of it - you're in the clear! ;) As for the "locked" driver version allowing you to OC, you're not the only one... it's not clear what makes some laptops bypass the driver lock. Perhaps you're using the driver from Asus and they've modified them, removing the lock?
Posted by SDEagle
 - March 04, 2015, 19:42:36
This is interesting, as I've got 344.75, and I'm able to overclock GPU on my ASUS G751JT-CH71 (GTX 970M), without any issues.
Posted by Update #2
 - March 04, 2015, 09:00:44
Thanks notebookcheck.net, that's good news with your latest Update #2 that the vBIOS lock will also be removed according to the OEM's & NVidia!  Thanks for increasing the public awareness of history of this issue, and thanks for getting to the bottom of it all by speaking with the OEM's and NVidia.
Posted by Following up with OEMs
 - February 26, 2015, 09:34:03
Well done notebookcheck.net, well done for following up with the OEMs to work out why some of them have blocked overclocking at vBIOS level.  I'll be interested to hear what they say to you with any further updates you do of this article.  Hopefully these affected OEMs will see the light & turnaround their previous decision to block overclocking in the vBIOS.  Thanks!
Posted by James D
 - February 25, 2015, 18:25:35
Wow! This is so professional and unbiased article. Cheers for notebookcheck
Posted by Starlight5
 - February 25, 2015, 17:56:44
Thank you for covering the issue, Notebookcheck!
Posted by HTWingNut
 - February 25, 2015, 15:43:54
Thank you for concisely indicating the actual issue here as most news articles just regurgitate's Nvidia's bottom line and nothing more. I've been a long time laptop user and overclocker and find this insulting and disingenuous to Nvidia's users.

Here's hoping AMD can provide a comparable solution to Nvidia's 900m series GPU's allowing for full overclock potential with low stock speed temperatures. I'll jump on it in a heartbeat.
Posted by jaybee83
 - February 25, 2015, 11:54:28
thanks for running this news so quickly notebookcheck!

shady business practices like these should definitely be out in the open for everyone to see. sure, i cant really say that im unhappy with my Clevo P751ZM sporting a 980M GPU and a Core i7 4790K.
But rewind to a month ago when i was still pondering which notebook to buy and I would have rather spent more money repairing my previous rig with an AMD 7970M than throwing money at such a "consumer-friendly" as Nvidia! If this continues, this will have been my very last high-performance machine, period!
Posted by octiceps
 - February 25, 2015, 10:32:00
First drivers, now vBIOS. You just got slapped with a class action lawsuit over false advertising of the 970 yet you continue this clockblocking madness. Has Nvidia truly gone off the deep end?

http://chn.ge/1F34mfS

#WTFnvidia #clockblocked
Posted by MrNajsman
 - February 25, 2015, 10:11:36
Nice article, it´s an important topic to cover. Also it´s not only affecting bulky 17-inch gaming laptops. I overclocked the 980M in the Gigabyte P35X v3 and it barely breached 80 degrees C during heavy gaming. And that´s a 21 mm thin 15-incher.
Posted by Thanks for the Article!
 - February 25, 2015, 09:29:46
Thanks for the article, that's a very accurate portrayal of the plight that NVidia laptop gamers are finding themselves in at the moment.  It's good to have this brought to the attention of the press & to have increased coverage on this most recent anti consumer move by NVidia.  I hope that this extra coverage will mean they quickly listen to their customers & turn around the situation by stopping the shipping of these locked down vBIOS, it's only in their best interests - I wouldn't buy a laptop with a locked down GPU that couldn't be overclocked, I'd buy from a manufacturer that allowed me to overclock my GPU - I would even send the laptop back for a refund if necessary!
Posted by Redaktion
 - February 25, 2015, 01:36:06
A well-known vBIOS modder confirmed the recent reports: many of Nvidia's GTX 900M series GPUs in new gaming laptops ship with a vBIOS that prevents overclocking.

http://www.notebookcheck.net/Nvidia-seeks-to-prevent-mobile-GPU-overclocking-through-a-vBIOS-based-lock.137109.0.html