macOS
Nov 17, 2020
3 minutes
Recovering from a bad update
Q My Mac hasn’t been the same since I installed Mojave Security Update 2020-005. Its fans run up shortly after starting up, it seems to be forever short of memory, and much of the time dog slow too. What’s wrong and how to fix it?
by ROGER PARISH
A That particular Security Update had these effects on many of those who installed it. Sometimes simple solutions can resolve update issues quickly, such as resetting the SMC and the NVRAM. Starting key held down, leaving your Mac a minute or two so that it clears its caches, then restarting back into normal mode, can also work sometimes.
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