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HP Dv6-6c01et A7N33EA + Exp Gdc + Evga Gtx 1070 SC ACX 3.0 + Win10 Problem


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Hi everyone,

I'm newbie here so if I'm posting somewhere wrong or smth like that just warn me.


I search in this forum and also at google about "code 12" and "code 43" almost thousands times. Specially for exp gdc but couldn't find anything can help me. I looked for modded bios, whitelist.. At least I realized that there is no modded bios for my pc(I'm gonna write all supported bios versions down here). All cable connections are correct, I can see Nvidia GTX 1070 at device manager with error code 12 and sometimes code 43.


I couldn't disabled my amd redeon graphics in bios, just uninstalled from device manager with files. Now my pc running only with Intel HD 3000 by own screen. I do not get any display on my 24" screen which one is connected to 1070 by HDMI. But when I boot my pc, 1070 fans are running with white lights are on GPU. But screen display doesn't show anything. Pc running with own screen.


My PC Specification; (Windows 10 - 64 Bit)

Product Number
2.2 GHz Intel Core i7-2670QM
Intel HM65 Express
Microprocessor Cache
6 MB L3 cache
16 GB DDR3
Memory Max
Supports up to 16 GB DDR3 (2 user accessible)
Video Graphics
AMD Radeon HD 7690M XT (2 GB DDR5 dedicated)
Hard Drive

1 TB SATA (5400 rpm)
Up to 16 GB partition for system recovery
Multimedia Drive
Blu-ray ±R/RW with SuperMulti DVD±R/RW Double Layer

39,6 cm (15.6")
39,6 cm (15,6") Full HD anti-glare LED (1920 x 1080)
Network Card
Integrated 10/100/1000 Gigabit Ethernet LAN
Wireless Connectivity

802.11 b/g/n; Bluetooth
Beats Audio


BIOS Versions;



F.1C(SP60655) - Current


Exp gdc connected by m-pci/e.

I have 350W PSU just for GPU.(170W needed)


I tried to install nvidia driver, remove amd by DDU, run only 1x8gb ram(tried at both slots), remove wifi adapter from device manager with files,

Anyone can help me about how to get result-fix this issue. There is no problem to disable pc own 15.6" screen. Just want to run my pc with good screen by 1070.


Thank you since now

Edited by vicrains
edit some words.
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