TimothyF Posted April 4, 2020 Share Posted April 4, 2020 My steps so far: Set up Catalina install USB exactly according to Plain Vanilla guide. Disconnect my Windows drive in PC, so that only the empty Hard Drive is connected to Motherboard. Boot to USB, select Install Catalina option. BIOS set to UEFI, Safe mode Off. Always get stuck at the same IOconsoleUsers: GIOScreenLockState point. Tried -radvesa, -radoff, nv-disable=0 boot options (separately), and disabling BIOS virtualization (vt-d) -> NO luck. This from the top search result https://www.reddit.com/r/hackintosh/comments/b5a6ry/ioconsoleusersgioscreenlockstate_3_blackscreen/ Screen pics attached. Here are the last couple of lines that could be important: GTrace synchronization point 4 Unsupported CPU Unsupported PCH Adding ADGP mode validate property hmm.. mismatch sizes 3100 vs 20 IOConsoleUsers: time(0) 0->0, lin 0, llk 1, IOconsoleUsers: gIOScreenLockState 3, hs 0, bs 0, now 0, sm 0x0 Please give me some ideas what else might work. Thank you. Other details of Clover and Desktop PC below: Clover USB specs OS installer used: Catalina (10.15) Clover revision: 5103 Kexts included: ATH9KFixup.kext AppleALC.kext Lilu.kext RealtekRTL8111.kext USBInjectAll.kext VirtualSMC.kext WhateverGreen.kext config.plist: config.plist ------------------------------------------ Target Desktop specs: Dell Inspiron 3847 (64 bit) CPU: Intel Core i5-4460, 3.2 GHz, 4 cores Architecture: Haswell GPU: Intel HD 4600 Motherboard: Dell 088DT1 (version A01) Chipset: Intel H81 Install method: with USB, configured with Clover, 100% following Plain Vanilla guide for Desktops RAM: 12 GB, 2 slots Hard drive for installation: SATA HDD 4TB, by HGST LAN: RTL8111/8168/8411 WLAN: AR9565 (atheros) Audio: Realtek ALC661 (not 100% sure this is correct) Link to comment Share on other sites More sharing options...
tlefko Posted April 25, 2020 Share Posted April 25, 2020 -disablegfxfirmware Link to comment Share on other sites More sharing options...
savior02 Posted September 21, 2020 Share Posted September 21, 2020 On 4/25/2020 at 2:06 AM, tlefko said: -disablegfxfirmware I tried this and didn't work. Any other suggestions? I have the same problem its driving me wild can't find fix!! While installing Catalina the screen would turn black midway through the apple logo. Drove me crazy! I took my RX 580 out and put in my old 5750 and bam installs beautifully! That was a stock unmodified [url="http://www.insanelymac.com/forum/topic/279450-why-insanelymac-does-not-support-tonymacx86/"]#####[/url] USB install. So I been on this mission for a week since I pinpointed the problem. With Catalina working with the 5760 and already installed, I put back the RX 580 and it hangs while loading the apple logo in the same spot as the installer did during the boot process midway. Screens turn black with green flashes. I finally figured out as I layed my tiresome mind and body over my keyboard at 5 am and fell asleep I actually got it to work. Little did I know he computer went to sleep after the black screen so I then was able to wake up the computer by moving the mouse and takes me to the OS login. Ok. I can put the computer to sleep and wake it back up no problem. My issue is Im planning to dual boot with windows for gaming and I can't have that. I entered 1 minute in the energy savings option to reduce the time it falls asleep so I can get into the OS faster while I test. Tried so many things I've must of rebooted a thousand times and haven't slept! I figured I put this much time into this and so I haven't gave up! Help! Link to comment Share on other sites More sharing options...
tlefko Posted September 30, 2020 Share Posted September 30, 2020 so after it sleeps, it lets you get in? okay that is fine. you should add the flag igfxmlr, igfxonln=1, igfx-force-online, (with the -) @savior02 Link to comment Share on other sites More sharing options...
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