What has broken when Preview no longer opens PDF documents? The answer is more complex than it might appear.
Activity Monitor
Memory use is always in the ‘yellow’, and my Mac grinds to a halt. Why?
SystemUIServer sometimes runs my iMac out of memory. Why?
Although my Mac has 6 GB of memory, I have had to use the purge command with depressing frequency since OS X 10.6, before quitting anything, particularly Safari.
Macs are increasingly reliant on background services, and increasingly vulnerable to their problems. Mastering the services on your Mac will help make it faster and more stable.
When something goes wrong with your Mac, the best clues are usually found in the log. Are you scared to open Console, or panic when you scroll through its contents?
Can you squeeze more from your existing Mac, or must you replace it to improve performance?
Like all sophisticated systems, Macs do sometimes go wrong. Indeed in some hands they always seem to be […]
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