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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 A7N33EA Microprocessor 2.2 GHz Intel Core i7-2670QM Chipset Intel HM65 Express Microprocessor Cache 6 MB L3 cache Memory 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 Display 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 Sound Beats Audio BIOS Versions; F.12(SP55375) F.19(SP57474) F.1A(SP58987) F.1B(SP59775) 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

Hello all, the purpose of this guide is purely for sharing and referential purposes and largely aimed at similar variants of this notebook. However, I do not guarantee it'll give you the exact compatibility as with any OEMs, products can be marketed under the same model while its components can come in different revisions with slight changes take the reference as a guide only at your own risk. System Specs for HP DM4-30**tx(Relevant Ones) Motherboard Model: HP 1794 CPU: i5-2450M (2.5GHz) iGPU: Intel HD 3000 dGPU: Radeon HD 7470M (Hybrid + Switchable Compatible, has Integrated Graphics in other words) mPCIe: x1 Yes, whitelisted PCI-e plugged to a stock Intel 1030N NIC Chipset: Intel HM67 B3 Related HP Laptops HP DV6-6000 (Intel only) HP DV7-6000 (Intel only) HP Dm4-30** (Intel only) Unrelated Systems (IMPORTANT) HP DV6-6000 (AMD) HP DV7-6000 (AMD) HP Dm4-31**^ (and above, these are using Ivybridge HM7* chipsets and boards) ^Considered a different system from Dm4-30**. Software/OS Environment (OPTIONAL) Generic copy of Windows 7 Home Premium 64bit made from a bootable USB using my OEM activation code. The link is Microsoft's official digitalriver mirror, it is legit. To put it on a 4GB+ Flash drive: Windows 7 USB/DVD Download tool Reason: Get rid of bloat and OEM customisation in case it conflicts with the eGPU setup. What I used DIY eGPU Setup 1.x Software, version 1.30 (PM Nando4 to arrange a download) Port: HM67 mPCIe (Wi-Fi card removed) WLAN Card: If you need it, buy a USB one. PE4L-PM060A (60cm, v2.1) FSP Hexa 500W 80+ PSU 12V@18A (Or other PSU that can support your eGPU's power draw Asus GTX 650 Ti Boost (OC Model) - No problems with PCI space, it should be same as GTX660 in this area. nVidia ForceWare 314.22 WHQL from nVidia (Not using the problematic R319) (Optional) Uninstall Microsoft Update KB2670838 and hide it permanently if you're BSODing from igdpmd64.sys (broken Windows update conflicting with Intel HD driver), your Internet explorer will rollback to IE9. Before You Start Login to your admin account. Disable User Account Control (Slider all the way down). Search for it from the start menu search tool. Software Installation Instructions Setting Up eGPU Benchmarks 3DMark06 NVIDIA GeForce GTX 650 Ti Boost video card benchmark result - Intel Core i5-2450M Processor,Hewlett-Packard 1794 (Invalid due to 16:9) 3DMark Vantage NVIDIA GeForce GTX 650 Ti Boost video card benchmark result - Intel Core i5-2450M Processor,Hewlett-Packard 1794 3DMark 11 NVIDIA GeForce GTX 650 Ti Boost video card benchmark result - Intel Core i5-2450M Processor,Hewlett-Packard 1794 Hope it helps. Good luck with your experiment. :star::Banane22::Banane11::Banane43: