When I upgraded the laptop to 10.15.4, it hit a graphics firmware loading problem (50 retries and a kernel panic) during the 10.15.4 boot.
The USB flash drive I used with my Catalina install media was using HFS+J, so I added the HFSPlus.efi driver to the initial bootpack. I set it up as dual boot with Windows 10, by copying my Clover EFI to the Windows System EFI and adding the following boot option via the BIOS: Problems can arise when your hardware device is too old or not supported any longer.Building a CustoMac Hackintosh: Buyer's GuideĪ shout out to Jake Lo - great guide for Dell Latitude 7X70 laptops! It took me about an hour or so to get it up and running with 10.15.3 (with minor issues): This will help if you installed an incorrect or mismatched driver. Try to set a system restore point before installing a device driver. It is highly recommended to always use the most recent driver version available. For more on the latest releases, keep checking back with our website to “stay updated one minute ago.” That being said, click the download button, get the package and set up this feature on your system. Bear in mind that, even though other OSes might be compatible, we don't suggest against installing this release on platforms other than the highlighted ones. In addition to that, please note that it's recommended you perform a system reboot so that all changes can take effect properly. The installation steps needed for the software to be applied are very easy: get the downloadable package, extract it if necessary, run the available setup, and carefully follow all displayed instructions for a complete and successful installation. However, please note that you're supposed to tweak these settings only between supported ranges changing configurations to extreme values without additional cooling systems might seriously damage components. Install this tuning utility and you will be able to manually configure various overclocking values, such as CPU and memory frequencies, system clocks, fan speeds, and monitor temperature for different components. Enhanced exit codes About Tuning Utility:
Support for deploying through Dell System Management solutions An enhanced version of the tool is planned for availability on May 10 to enhance features for enterprise customers. It will detect and uninstall the dbutil_2_3.sys driver from the system.
This update provides a remedy for Dell Security Advisory DSA-2021-088.
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