On Saturday, January 1, 2022 at 3:05:33 AM UTC-7, David Brooks wrote:

On 01/01/2022 02:10, Ant wrote:

Disk Utility app found no issues in all of SSD's APFS default three partitions. Also, I found out it is 90 days warranty and not a year.
Oops. :(

In comp.sys.mac.portables Ant <a...@zimage.comant> wrote:

Hello.

Since 12/29/2021 afternoon PST, MacBook Pro (MBP) froze hard twice minutes after waking up.

First one was when MBP was asleep (lid closed) and moved (cables were still connected) from the desk due to cleaning the room. Opened its lid up, relogged in the current standard(not admin)-level account, and used it for a few minutes. It was fine

and then it froze hard.

Second one was about 30 minutes ago after MBP was asleep for hours from its idle time. Logged in just fine and then log out of this same standard account back to the login screen with multiple accounts. And then, it froze hard right away.

When MBP was frozen, its cursor (both external USB mouse and internal trackpad) and keyboard navigations (including LED lights) didn't respond. Closing and reopening lid, and disconnecting and reconnecting external powered USB devices didn't help at

all. I even tried to reproduce this hard lock ups from what I remember. I doubt it is temperature related since it had been in the 60-70 degrees(F) indoor from the outdoor cold weather and rain. Right now, I'm running Disk Utility app's first aid to see
if its internal 2 TB SSD is OK.

I'm wondering if there is a hardware issue in this year old (12/29/2020) 13" 2020 A2251 model (MWP62LL/A) MBP. It has Intel Core i7 (2.3 GHz; quad-core 10th gen. i7 CPU; 8 MB; L3 cache (Turbo Boost up to 4.1 GHz)), 32 GB of 3733MHz LPDDR4X RAM, 2 TB

PCIe-based SSD, Intel Iris Plus graphic, macOS Big Sur v11.6.2, etc. Using AUKEY USB C Hub 12-in-1 Type C Adapter for ASUS VA27DQSB 27??? 1080P monitor's HDMI and a very old MS USB mouse.

Is there anything else to try before going to an Apple store to diagnose and fix? I assume warranty extended since it was from 12/29/2020. :( Thank you for reading and hopefully answering soon. :)

Remove the battery
Press and hold down the power key for 20 seconds.
Insert the battery
Hold down the 'shift' key and press the power-on button
If lucky, your machine will start in Safe Boot mode!
Restart and hoefully you'll be back up-and-running again!

HTH

Happy New Year!

--
David

Why do you keep repeating yourself? Hope Snit sock Snit / Snot likes
the accommodations in the teeming latrine of my kill filter.

Snit sock Snit / Snot writes all kinds of hogwash, don't use that blockhead
as a reference.

--
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Steve Carroll the Narcissistic Bigot

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XPost: comp.sys.mac.systems, comp.sys.mac.hardware.misc, comp.sys.mac.misc XPost: comp.sys.mac.portables

In comp.sys.mac.portables Ant <ant@zimage.comant> wrote:

In comp.sys.mac.portables Ant <ant@zimage.comant> wrote:

In comp.sys.mac.portables Ant <ant@zimage.comant> wrote:

In comp.sys.mac.system Ant <ant@zimage.comant> wrote:
...

Since it's still a slow weekend, I decided to try resetting MBP's NVRAM first. So I told its macOS Big Sur v11.6.2 to shut down MBP, but it got stuck during its shutdown for like a minute with admin account's desktop
background (no icons and menu) for about a minute. Mouse cursor was still
movable. And then, it finally shut down. Weird lag. I booted it up, logged in, and then retried its shutdown. No long lags (only a second).

Anyways, I continued on to reset VRAM from https://www.macworld.com/article/224955/how-to-reset-a-macs-nvram-pram-and-smc.html's
instructions, I did:

"Intel Macs

To reset your NVRAM, you use exactly the same procedure you once used to reset PRAM.

1. Shut down your Mac.
2. Press the power button, and as soon as you power up the laptop, hold down Command-Option-P-R.
3. Keep holding down those keys for about 20 seconds. Then let go and allow your Mac to continue starting normally..."

Step #3 took a while to start up again after pressing all keys down for about 20 seconds. I thought I messed up since my four fingers hands, without thumbs, had a hard time pressing all. And then, about ten seconds later, MBP booted by itself. I hope that's normal.

Also, does "nvram ???-c" trick not work? It shows:
% nvram -c
nvram: Error clearing firmware variable fmm-computer-name: (iokit/common) not permitted
nvram: Error clearing firmware variable fmm-mobileme-token-FMM: (iokit/common) not permitted
nvram: Error clearing firmware variable fmm-mobileme-token-FMM-BridgeHasAccount: (iokit/common) not permitted
I even tried with sudo.

...

FYI. No new incidents so far. I hope it stays that way! :)

MBP was doing well until this morning, and then it wouldn't wake up this morning after sleeping since late last night. And then, it powered on by itself when I clicked on its trackpad. After logging in, it restored previous sessions from the crash. :(

Again, it wouldn't wake up correctly this evening like this morning. It powered on by itself with its Apple logo chime after I clicked on the
old external USB mouse's button. After logging in back into the standard level account, Chrome said to restore previous sessions from the crash. I tried to reproduce it manually, but no luck. Its console's logs are
confusing and so long. :( When I logged out and logged into the
admin-level account, then I saw its crash report that popped up for me
to to share to Apple and you guys: http://zimage.com/~ant/temp/MBP2020crashWhenWakingUp.txt.

Part of http://zimage.com/~ant/temp/MBP2020consoleSystemLogCrashWhenWakingUp.txt
from macOS Big Sur v11.6.3's console's system log.
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