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Groups > comp.sys.mac.portables > #1237

Re: Reset password after losing power during a decade old MacBook Pro (MBP) boot up after entering a password for its internal HDD?

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On 2018-10-03, Ant <ANTant@zimage.com> wrote:
> In comp.sys.mac.portables Jolly Roger <jollyroger@pobox.com> wrote:
>
>> That battery should probably be replaced pronto.
>
> Why? Is it bad? Will it blow up? This MBP is rarely used since it is
> very slow and old. :/

Because of what *just* *happened* with it. If you accidentally unplug it
while it's running, you risk data loss/corruption. If you don't care
about data corruption, fine. Dying batteries can also swell and leak,
which can cause damage to other internal components. You may or may not
notice that happening before the damage occurs, but you also might not.
If you don't care about that either, fine. It's your computer. Do
whatever you want.

>> You mean this screen?:
>
>> <https://support.apple.com/library/content/dam/edam/applecare/images/en_US/osx/yosemite-password_reset-choose_problem.png>
>
> Yes, that's the screen.
>
>> That's normally what you see when you let the computer sit at the
>> FileVault password entry screen for a while, and the computer guesses
>> that you may have forgotten the password to FileVault. It tells you
>> that you can hold the power button to shit down, then press the power
>> button again to boot up into macOS Recovery, where you see this
>> screen. So apparently your computer booted into macOS Recovery due to
>> losing power.
>
> Ah. How long is the wait before the computer bring this FileVault
> reset password screen up? 

I don't know. If you really want to know, try it out for yourself. Boot
it up to the FileVault login screen, then let it sit while you time it.

> I didn't wait very long since I only powered it back up from an
> accidental shut down during its boot up. I wonder if it just went to
> sleep due to lack of power and then came back to this, but then its
> boot up was slow (normal) after its power loss.

It had to check the integrity of the disk (see my previous comment about
data loss/corruption). It'd be a good idea for you to run Disk Utility's
Verify Disk facility - Unless you don't care. Then do whatever you want.
: )

-- 
E-mail sent to this address may be devoured by my ravenous SPAM filter.
I often ignore posts from Google. Use a real news client instead.

JR

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Reset password after losing power during a decade old MacBook Pro (MBP) boot up after entering a password for its internal HDD? ANTant@zimage.com (Ant) - 2018-10-02 18:51 -0500
  Re: Reset password after losing power during a decade old MacBook Pro (MBP) boot up after entering a password for its internal HDD? Jolly Roger <jollyroger@pobox.com> - 2018-10-03 00:34 +0000
    Re: Reset password after losing power during a decade old MacBook Pro (MBP) boot up after entering a password for its internal HDD? ANTant@zimage.com (Ant) - 2018-10-02 20:58 -0500
      Re: Reset password after losing power during a decade old MacBook Pro (MBP) boot up after entering a password for its internal HDD? Jolly Roger <jollyroger@pobox.com> - 2018-10-03 02:41 +0000

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