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Hi everyone. I have had a bit of search around but I have not found anything yet pertaining to my issue. I have an Alienware 17 R1 (Late 2013 model). It originally came with an i7 4900, a GTX780m, 120hz 3D panel with intel graphics disabled. I have just got a Dell GTX980m 8GB (BIOS 84.04.2F.00.79 - Device ID 10DE 13D7-1028 05AE) and put it in and it works fine getting into windows and running 2D. However, when I run any decent 3D the graphics constantly hits power limiter and downclocks to around 800mhz. This is confirmed to be power limit in gpuz perfcap reason and this happens regardless of temperature. Running a Unigine benchmark has actually showed the card's performance to be just lower than the 780m I replaced. Using HWiNFO64 I have found that the GPU is being limited to 80 watts. It briefly goes up to over 100 watts but drops to 80. Power Supply is 240 watt This laptop always runs off mains power and the battery only lasts a few seconds regardless of apparent charge. I should also mention that I have tried, Setting nvidia control panel power management mode to prefer maximum performance. Disabling Battery Boost in nvidia geforce experience Setting windows power options to high performance I have even installed a fresh windows 10 on a different hard drive and have observed the same result. Has anyone else done this upgrade and had no issues, are there any known fixes, is this card faulty or just not going to work correctly. Thanks