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Modell A1502 / 2,6 GHz (Turbo Boost bis zu 3,1 GHz) oder 2,8 GHz (Turbo Boost bis zu 3,3 GHz) Dual-Core Intel Core i7 Prozessor mit 4MB geteiltem L3 Cache.

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Extremely slow performance with BIGSUR

Storage

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I have tried everything and my MacBook Pro 13" 2014 running BIG SUR 11.7.9 is running very slow. Rein stalled OS, reset NVRAM, SMC etc no difference, Took to the workshop "Buy a new one" was the response.

I have uploaded pictures of the diagnostics as requested in the image area.

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What is your RAM size and what is your SSD size and how much free space does it have?

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13 Kommentare:

16GB RAM and 512GB SSD over 50% of SSD free

von

290GB free of 500GB of the SSD

note kernel_task using 235% of CPU constantly

von

@george81838 - See what running the onboard diagnostics tells you. Restart the system and press the D key

von

There may be an issue with the System Management Controller

(SMC).

Reference Code: PFM006

There may be an issue with the power management system.

Reference Code: PPN001

For more information...

To determine your support and service options, Apple would like to collect your

Mac computer's serial number and reference codes.

Your Mac will start up in macOS Recovery and you will be able to access your

support and service options through Safari.

Serial number:

von

Also fan running all the time but unit cold and aired

von

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George wird auf ewig dankbar sein.
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