ultra slow performance Nvidia Gt620 2gb, help please - OS X Yosemite 10.10 - Hackintosh Zone
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Josue Orozco

ultra slow performance Nvidia Gt620 2gb, help please

Question

Hi guys, after try and try and try so many times to get Yosemite installed I found that Yosemite is ultra slow, so many graphics glitches, this are my specs:

MOBO : Gigabyte GA-970a-ud3 rev3

8gb Ram

Amd FX8350 processor

Nvidia Gt620 evga 2gb

D-link Dwa-132 USB wireless adapter

So in about this mac I can see the 2gb available of VRam but sstil it's super slow and glitchy also my Wi-Fi USB adapter doesn't work

Bootflags: npci=0x3000 PCIRootUID=0 GraphicsEnabler=Yes -v

I really appreciate any help.

UPDATE!!!!!!

Ok so the slow issue was because I was using Vesa drivers because I backed up graphics kexts so I installed the kexts again and when starting in the Grey screen when we can move the mouse it feels good and fast but before to login screen I got this:

Nvda: MMU ERROR: fault_pde at 0x0

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I am not sure this is like what happened to me, but it seems like you have to fix your graphic card with a kext.

I have an amd sapphire vapor-x r9 290 and I had to install 2 modified kexts, then rebooted with PCIRootUID=1 and kext-dev-mode=1 boot flags to fix graphics and now the speed of the entire system is normal(fast). Before ding this it was so slow that I couldn't almost use Multibeast.

Look for something on Google

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    • It's basically a problem with your graphics card, so try doing this.   In the boot options go to graphics injector and make a tick on intel graphics injector.   Also make sure you go to your bios and disable your discrete graphics Card.   After doing these to things, it solved the issue for me!! Hope it helps!
    • I installed Yosemite with the use of iGPU but when I installed the eGPU as mentioned on the title the loading screen stuck on caution. I also tried the bootflags such us  nv_disable=1 and nvda_drv=1 also I tried GraphicsEnabler=Yes/No but still no luck. What might be the possible problem? Image link
    • Information BrandHP Model450 G1 (F6B14PA) Dimensions(WxHxD)375 x 256 x 22.0  mm Weight2.4 Kg ColorsSilver Operating SystemWindows 8 Professional Operating System Type64-bit Display Details Display Size15.6 Inches (39.62 cm) Display Resolution1366 x 768 Pixels Display TypeTFT Display FeaturesTFT Colour Display Display Touchscreen  No Performance ProcessorIntel Core i5-4200M (4th Gen) Clock-speed2.5 Ghz ChipsetIntel HM87 Express Graphic ProcessorAMD Radeon HD 8750M Graphics Memory2 GB Memory Capacity4 GB RAM typeDDR3 RAM speed1600 Mhz Memory Slots2 DIMM Expandable Memory16 GB Memory Layout1 x 4 Gigabyte Storage HDD Capacity750 GB HDD Speed(RPM)5400 RPM HDD typeSATA Battery Battery Cell6 Cell Battery typeLi-Ion Power Supply90 W AC Adapter W Battery Life8.5 Hrs Networking Wireless LAN802.11 b/g/n Bluetooth Bluetooth Version4.0 Ports USB 3.0 slots2 USB 2.0 slots2 SD Card Reader Headphone Jack Microphone Jack VGA Port Multimedia Web-cam Video Recording720p HD Secondary cam(Rear-facing)  No Audio SolutionHD Audio Solution SpeakersStereo Speakers Sound TechnologiesDTS Sound+ In-built Microphone Microphone TypeDigital Microphone Peripherals Optical DriveDVD+/-RW SuperMulti DL Drive TypeDVD Writer Pointing DeviceTouchpad with Multi-touch Gesture Support KeyboardFull-sized, spill-resistant keyboard with numeric keypad  
    • Does anyone have some advice on this issue? I'm stuck in the same spot and searching the forums for answers. thanks
    • Does anyone have advice on this issue? I'm stuck in the same spot and am searching the forums for answers. thanks
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