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Re: Pi2B red/green LEDs stuck on, no boot

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On 02/07/2026 15:56, bp@www.zefox.net wrote:
> An elderly Pi2B v1.1 seems to have quit running. On power cycle
> both red and green status LEDs stay on, no flashes. Roughly one
> screen of boot output appears, then the screen goes blank and
> the monitor enters sleep mode. Re-seating
> the microSD card has no effect, unseating the microSD card has
> no effect, swapping the microSD card has no effect.
> 
> Plugging a usb cable into the usb ports and connecting a voltmeter
> to the red and black wires shows an initial 5 volts, then zero,
> then 5 volts after a few seconds. Putting the meter on the power
> supply leads shows 5 volts steady.
> 
> If I power cycle the Pi2 while the monitor remains powered
> and only a USB keyboard is connected the monitor shows the
> rainbow screen, about a page and a half of boot output, then
> blanks and enters "no signal" mode. The keyboard responds
> to caps lock.
> 
> Can anybody suggest other things to test?
> 
> Thanks for reading,
> 
> bob prohaska
> 
Sadly unless you want to drag out the hot ait station and the microscope 
I'd say it was cattled.
Rhyming slang.
...Cattle truck....
-- 
"The most difficult subjects can be explained to the most slow witted 
man if he has not formed any idea of them already; but the simplest 
thing cannot be made clear to the most intelligent man if he is firmly 
persuaded that he knows already, without a shadow of doubt, what is laid 
before him."

    - Leo Tolstoy

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Pi2B red/green LEDs stuck on, no boot bp@www.zefox.net - 2026-07-02 14:56 +0000
  Re: Pi2B red/green LEDs stuck on, no boot bp@www.zefox.net - 2026-07-02 15:26 +0000
    Re: Pi2B red/green LEDs stuck on, no boot Lawrence D’Oliveiro <ldo@nz.invalid> - 2026-07-03 00:28 +0000
  Re: Pi2B red/green LEDs stuck on, no boot The Natural Philosopher <tnp@invalid.invalid> - 2026-07-02 17:51 +0100
  Re: Pi2B red/green LEDs stuck on, no boot druck <news@druck.org.uk> - 2026-07-02 19:38 +0100
    Re: Pi2B red/green LEDs stuck on, no boot Brian Gregory <void-invalid-dead-dontuse@email.invalid> - 2026-07-02 20:55 +0100
  Re: Pi2B red/green LEDs stuck on, no boot druck <news@druck.org.uk> - 2026-07-02 19:38 +0100

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