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Model A1013, A1052, A1085, or A1107 / 1440x900 screen resolution

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Power on self test Failed

G4 17 1ghz/1gb M8793LL/A-Powerbook5,1 - A1013 Power PC G4 3.3

In Diagnostics under Power On Self Test: I am getting

Last Run: today

Result : Failed

Failure Type: External Cache

What does this usually mean?

I do not really see a problem anywhere.

Hard drive problem? CPU? ...Something else?

Beantwortet! Antwort anzeigen Ich habe das gleiche Problem

Ist dies eine gute Frage?

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Gewählte Lösung

You may notice some small degradation in speed. Sometimes a good internal cleaning will solve the problem. If all else is working OK, I really wouldn't worry to much about it.

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Thank you.

I can probably learn how to do an internal cleaning here on Ifixit.

I also notice that my L3 Cache does not show up in the system profiler.

von

It used to show 1MB DDR L3...and now not.

von

Here's how to get to the heat sink, fans and rear vent to clean them out, you may want to reapply thermal paste at this time: PowerBook G4 Aluminum 17" 1-1.67 GHz Heat Sink & Fan Assembly Replacement

Here's the paste I use: [verlinktes Produkt fehlt oder ist deaktiviert: IF179-010] Here's a generic guide on doing it: Wie trage ich Wärmeleitpaste am besten auf

von

Could the need for a cleaning account for the "failed" test result and the disappearance of the L3 cache readout as stated above?

von

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Ernest Gagnon wird auf ewig dankbar sein.
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