From 1c0a175e8e2d0ea3c328c8852520116767b3a660 Mon Sep 17 00:00:00 2001 From: Vitaly Date: Wed, 6 Nov 2024 07:34:35 +0100 Subject: [PATCH] HighSierra troubleshooting --- README.md | 24 ++++++++++++++++++++++++ 1 file changed, 24 insertions(+) diff --git a/README.md b/README.md index 20d11ec..fe64a7c 100644 --- a/README.md +++ b/README.md @@ -68,6 +68,30 @@ Below is a possible workaround from here: https://www.nicksherlock.com/2022/10/i 2. Or try to activate TSC force in GRUB by adding boot flags `clocksource=tsc tsc=reliable` in the `GRUB_CMDLINE_LINUX_DEFAULT` and call `update-grub`. In this case host OS probably could work unstable in some cases. 3. Check the current TSC by call `cat /sys/devices/system/clocksource/clocksource0/current_clocksource` must be `tsc`. +## Troubleshooting + +### High Siearra and below installation issues + +To solve error *The Recovery Server Could Not Be Contacted* you need to change the protocol from `https://` to `http://`. To do this, follow: +- start installation and get error *The Recovery Server Could Not Be Contacted*, hold the window with error opened +- open Window -> Installer Log +- search for the line "Failed to load catalog" -> select line in log windows -> Edit -Copy +- close the error message and return to `macOS Utilities` window +- open Utilities -> Terminal, right click -> paste +- edit the pasted data, remove everything except URL, like `https://blablabla.sucatalog` +- change https -> http +- adjust the command to be like: nvram IASUCatalogURL="" +- press enter, quit Terminal and try to start installation again + +After this, no additional ISO needed, HighSierra must be installed well from recovey. + +Here a sample how need to change the error message to the final URL: + +`nIUvram IASUCatalogURL="http://swscan.apple.com/content/catalogs/others/index-10.13-10.12-10.11-10.10-10.9-mountainlion-lion-snowleopard-leopard.merged-1.sucatalog"` + +The solution took from here: https://mrmacintosh.com/how-to-fix-the-recovery-server-could-not-be-contacted-error-high-sierra-recovery-is-still-online-but-broken/ + + ## Demonstration (in Portuguese/Brazil) https://youtu.be/dil6iRWiun0