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Changes to macOS Security Policy With Silicon processor computers running macOS Big Sur or greater, Apple has changed their security policy. These machines no longer allow third party drivers to be installed in the manner that they previously had. Driver installs now require the macOS security settings to be lowered before installation. As Silicon is still new to everyone, we expect to see bug fixes, changes and optimizations to macOS Big Sur and possibly subsequent macOS releases over the coming months. With that, the Silicon driver install process may change as well. As such, we encourage you to update your Silicon machine to the latest Big Sur version, which is currently 11.6, before installing drivers. Changing Security Settings Apple’s guide to changing security settings on a Silicon Mac are found at: https://support.apple.com/en-lk/guide/m … 8f7291/mac · Shut down your Mac · Press and hold the power button until you see "Loading startup options …". Your Mac will boot into Recovery mode. · Click Options (the gear icon), then click Continue · In macOS Recovery, you may need to choose your account and click Next. Enter the password and click Continue. · In the top menu go to Utilities...Startup Security Utility · Select the system on which you want to install the Driver. If the disk is encrypted with FileVault, click Unlock, enter the password, and then click Unlock. · Click Security Policy, choose Reduced Security and check the option to allow user management of kernel extensions from identified developers · Click OK. Enter the password for your account and click OK. · Restart your Mac from Apple menu Rosetta Installation When installing the Line 6 driver from the downloaded dmg file, you may be prompted to install Rosetta. · If so, click “Install”. Enter your password when requested. · If you see “System Extension Blocked”, go into System Preferences...Security and Privacy, click the lock, enter your password, click Unlock, and choose Allow. · Restart your Mac. Driver Removal It is advised that no programs are open, especially programs that may require the kext that is about to be removed. 1. In Finder, locate the kext file that is to be removed. Kext files are located in Library/Extensions. Keep this finder window open. 2. Open Terminal. Type the following command followed by the pathway of the kext that you would like to remove. Type without the quotes: "sudo kmutil unload -p /Library/Extensions/<Kext Name>". (ex. "sudo kmutil unload -p /Library/Extensions/L6Helix.kext") and click enter. 3. Enter your password. There should be no message after this. 4. Go to the finder window that was left open in step 1 and remove the kext file to the trash. You will be prompted to enter your password. 5. Restart your computer. 6. Go to Library/Extensions in finder and verify that the kext file is no longer in the extensions folder. If you see a message in Terminal (after Step 3), chances are there is another program open operating in the background that may interrupt the command. If so, restart your computer - verify there are no applications open and begin steps 1-6 again.
Spider Valve MkII HD100 tube issues - questions.
Faerwald posted a topic in Spider ValveHey everyone. So this is my first tube amp, and it was working great so far. However, Yesterday during band practise, after it had been on and working perfectly for two hours, the volume suddenly dropped. When I checked the amp to see what was going on, I noticed that one of the tubes (the one on the left) was way hotter than the others. when I turned down the volume, where was a small lightning inside the tube, and then no sound. From what I've gathered from the internet, the tubes weren't paired or biased properly. When the amp is on, the other tubes light up normally. Anyway, when I bought the amp, the people at the store had only two tubes installed (the two in the center), to cut the output down and make it playable in the store. I wanted to know if there is any specific manipulation to do in order to do that. (I have a gig in 4 days and I probably won't have neither time nor money enough to have the tubes changed and the amp biased before then).