Re: Thinkpad is off

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From	not@telling.you.invalid (Computer Nerd Kev)
Subject	Re: Thinkpad is off
Newsgroups	comp.sys.laptops.thinkpad
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Date	14 Jul 2024 09:50:06 +1000
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Alexander Goetzenstein <alexander_goetzenstein@web.de> wrote:
> and stays off.
> Shut down normally last night, today I pressed the button as usual to
> turn it on, but it doesn't respond.
> The only thing that happens is when you unplug the power adapter and
> plug it back in again, the power button light and the red dot in the
> cover flash three times.

That sounds like a code that will be explained in the hardware
maintenance manual for your model:
https://thinkpads.com/support/hmm/hmm_pdf/T560_P50s_hmm_en_sp40k04930.pdf
(I haven't checked myself)

> Does anyone have any idea how I can track down the problem?

If the flash patten isn't revealing, I'd first open it up and
reseat the connector to the board with the power button. If the
the motherboard is ignoring the power button signal, then try
disconnecting anything connecting to it, including switching
the RAM for a spare stick, the CPU too as a last resort (if
you conveniently have a spare).

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Thinkpad is off Alexander Goetzenstein <alexander_goetzenstein@web.de> - 2024-07-13 10:11 +0200
  Re: Thinkpad is off not@telling.you.invalid (Computer Nerd Kev) - 2024-07-14 09:50 +1000
  Re: Thinkpad is off jmcbray@carcosa.net - 2024-08-07 09:48 -0400

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