How to Diagnose Sequoia running pretty well on my 2015 13" MacBook Pro i7 After an OCLP macOS Upgrade

By Ufuk Durgun
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How to Diagnose Sequoia running pretty well on my 2015 13" MacBook Pro i7 After an OCLP macOS Upgrade

Battery, Touch ID, trackpad, sleep and charging issues can be software symptoms, but they also expose weak batteries, SMC state or model-specific OCLP limits. After an OCLP update, root patches, SMC/NVRAM state and unsupported hardware drivers can disagree until patches are re-applied cleanly.

Quick Checks

  • Backup current state: Save a copy of your working EFI and run a full system backup before changing settings.
  • Identify hardware components: Note down your exact CPU, GPU, Wi-Fi card, and motherboard/laptop model.
  • Ensure utility alignment: Keep OpenCore, OCLP, and ProperTree updated.

Fix Steps

  1. Create a rollback point: Make a Time Machine backup and keep a copy of your last working EFI folder before editing OpenCore, kexts or root patches.
  2. Reset low-level state: Reset NVRAM/PRAM and perform the correct SMC reset for your Mac model.
  3. Re-apply patches: Open OpenCore Legacy Patcher, run Post-Install Root Patch, reboot, then test again.
  4. Check physical health: Review battery cycle count, service status, charger behaviour and Apple Diagnostics before blaming macOS.
  5. Test without utilities: Temporarily disable battery limiters, fan tools and login items that may override system behaviour.
  6. Compare with a stable OS: If the feature matters, test Monterey/Ventura or the last officially supported release.

Do Not Continue If

  • Do not continue if: you do not have a working EFI backup, a Time Machine backup, or another bootable macOS installer.
  • Stop and capture evidence: if the machine stops booting, take a photo of the last verbose line before changing more settings.

Verify It Worked

  • The setting persists across shutdown and cold boot.
  • Battery drain is predictable after two full cycles.
  • Sleep/wake works without requiring a forced reboot.
  • No new root patches are pending in OCLP.

Rollback

  • Undo the latest macOS update if the feature is essential.
  • Restore a Time Machine snapshot from before the patch.
  • Keep the machine on the most stable macOS version for that model.

Next Action

  • Test now: reboot twice, reproduce the original problem, and confirm whether the same symptom returns.
  • If it still fails: record the Mac model, macOS build, OpenCore or OCLP version, GPU, Wi-Fi/Bluetooth chipset, and the last visible error.
  • Read next: use the related searches below for the nearest OpenCore or OCLP fix before making another change.

Related iATKOS Searches


Original Question: "Sequoia running pretty well on my 2015 13" MacBook Pro i7"

Sequoia running pretty well on my 2015 13" MacBook Pro i7

For anyone hesitating with updating from Monterey to Sequoia on a 2015 13" Pro i7, I personally think it's worth it, I was hesitating first. It does run a little slower than Monterey but the difference isn't much, the battery might drain a little faster as well but I didn't really notice the difference, (again the differences in performance aren't as visible as they would be updating a 2010 non-Metal machine from High Sierra to Monterey for example). I cannot get enough of the "Keep Downloaded" option (only available on Sequoia and above), and Final Cut Pro works better than I expected (I still don't recommend editing anything in higher than 1080p), it works fine for quick edits. The widgets work fine as well. Overall it feels like a modern experience without the compromises you get when installing on a non-Metal machine, but it does get loud. I also run Dolphin on this and get a stable framerate running in 720p.

https://preview.redd.it/sshahij5xpyf1.jpg?width=4284&format=pjpg&auto=webp&s=22ded7a9a54bdd60217de006a2031d1379578080

submitted by /u/Abject_Form_2603
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Alternative / Duplicate Questions Resolved:

  • "Onyx (4.8) Has Ruined My 2015 MacBook Pro Running Sequoia (15.5)":

    So I've been running macOS 15.5 on my 2015 MBP for almost a month now, and aside from a few hiccups, it has been great. All my previously installed apps have worked, including those updated for Sequoia.

    But I decided to run Onyx as semi-regularly do, and was prompted to run an update, which I did. Installed v4.8 then ran it like usual, and after a reboot... my Mac is a mess.

    The visuals are totally broken; wallpaper didn't launch, there is a black background in the dock, and the Finder windows are also all black. The gesture one uses to evoke all apps via an overlay (I forget what its called) takes forever, and drilling into a sub folder just causes it to freeze.

    The biggest issue is everything has slowed down to an absolute crawl, making the Mac legit useless (I am posting this via my PC). So yeah... don't use the latest version of Onyx. Am going to try emailing the devs, not that I think it's going to do anything. And then get a new Mac I guess, lulz.

    submitted by /u/fortninety
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