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Microsoft and Apple updates broke MacOS Catalina, Big Sur and Monterey printing to a Windows SMB printer share. This thread proposes a work-around to restore MacOS printing to the shared Windows printer. Implement these patches at your own risk, since we're overriding the PrintNightmare...

Open Core is including Hyper-V as a formally-supported hypervisor (with Quirks specific to Hyper-V). In my opinion, tonymacx86 needs to modify terms and rules to officially allow hypervisors other than VMWare Fusion.

VoodooPS2Trackpad.kext causes instant wake. How to fix? Details below. Thank you. SOLUTION IS HERE. EDIT: This instant wake problem is observed with Acidanthera VoodooPS2Controller.kext versions 2.2.2 and 2.1.8. I do not experience this problem if I install RehabMan's...

I have installed a mechanical 2GB SATA6 HD in my HackMini8,1 for TimeMachine and other backup storage. An annoying side effect is that some simple actions are delayed while waiting for the drive to spin-up (e.g. when I click Safari > File > New Window, the new window doesn't appear until the HD...

This thread is dedicated to installing / running Big Sur on the HP EliteDesk 800 G4/G5 Mini PC. This thread is derived from the original Catalina Guide and will gradually replace the Catalina guide. A thread dedicated to Monterey on this HP EliteDesk 800 G4/G5 Mini has been created here by...

After extended sleep for more than 24 hours, my HP EliteDesk 800 G4 Mini (UHD 630, dual DP->DVI displays) woke to switched display positions. The left and right displays were swapped. Proper display position was restored after a reboot. My display properties and system configuration are...

This problem is solved. See solution here. ------------------------------------------------ I have an almost perfect HackMini8,1 thanks in part to this guide (see my HP EliteDesk 800 G4 Mini solution here). However, when my system wakes from sleep, I have two problems that I have observed...

*********************************************************************************** *** Click here for the thread dedicated to Big Sur installation on the HP EliteDesk 800 G4 / G5 Mini *** ***********************************************************************************...

I resolved an annoying "character skipping" behavior of my USB keyboard by separating my CPU power (8-pin) and PCI-e power (8-pin) onto separate PSU "rails." Details are below. I'm sharing to help others who might observe this and to ask if anyone else has observed this. After I installed a...

EDIT: I applied the 10.15.7 supplemental update (19H15) as noted here. I needed to switch to OC to apply the update. EDIT: I upgraded from 10.15.6 to 10.15.7 as noted here. EDIT: I upgraded from 10.15.5 to 10.15.6 by following the procedure here. EDIT: I upgraded from 10.15.4 to 10.15.5 by...

@favoriti - I know this is not the problem you solved, but it may be related. I have installed Rehabman's r4701 on a USB and on my SSD (both Legacy in ESP), but I am unable to boot from either the USB or SSD. If I change to the "official" Clover R4961, I can boot both (USB and SSD). I am...

This is a question for those who have a basic understanding of programming and logic and it would help to know ASL. Is the code below a bug in the DSDT for the Dell Latitude E6410 (also in other Dell Latitude models)? Does this expression ALWAYS evaluate to TRUE and if so, should LOr be...

EDIT: Let me apologize to the moderators who have seen this post change multiple times. Each time I thought I understood the problem, I realized that I didn't. Below is my final assessment of the problem which I suspect is my own error somewhere or a CLOVER bug - but I'm not sure. The bottom...

I'm using USBInjectAll and a custom SSDT-UIAC for my Dell Latitude E6410 running High Sierra 10.13.6. I'm trying to diagnose and resolve sleep (won't sleep) and noticed that my AAPL,clock-id and device_type for EH01 do not appear in the IORegistry. They do appear for EH02. I'm not sure if...

My Dell Latitude E6410 (I7-620m, Nvidia NVS 3100m) won't sleep. Instead of sleeping, screen goes black, but system stays on. After attempted sleep, system won't wake, so only recovery is to force power-down with power button. Debug files are attached. My system is as follows: Dell Latitude...

I have a Socket 1156 Biostar TH55HD motherboard with Xeon X3450 running Mojave 10.14.4 (observed this same behavior with High Sierra 10.13.6) (system details below). Everything works perfectly except my system cold-boots on wake from sleep. The system sleeps and I can "wake" the system by...

I'm thinking about purchasing an AMD RX Series card for my HackPro 5,1. I have two displays with DVI inputs currently connected to my NVidia 9800GT. Will the RX card be able to drive dual-DVI displays and if so, what RX output ports / adapters should I use? Thank you. EDIT: I was looking at the...

EDIT: I'm marking this solved, because the original intent of this thread was to diagnose the system's inability to wake from sleep (which is solved in Post #10 of this thread). The current problem (cold-boot on wake from sleep) is started as a new thread here: Macpro5,1 cold-boots on wake from...

************************************************************************************** *** I have installed Catalina 10.15.x on this Biostar TH55HD. If you want to install Catalina, click here. *** ************************************************************************************** EDIT: I...

My Thinkpad T61 runs both Sierra and High Sierra almost perfectly. The only problem I have in both OSes is an occasional kernel panic when I switch from battery to A/C power. If I'm doing anything important, I'll shutdown on battery power, plug in A/C and reboot. I'd like to fix this problem...