Repariere deine Sachen Community Store

Modell A1418 / Ende 2012 / 2,7 & 2,9 GHz Core i5 oder 3,1 GHz Core i7 Prozessor

212 Fragen Alle anzeigen

Einstellungen

Sleep awake failure and restarts. Is it related to power supply?

Hi everyone,

When my iMac goes sleep it won't wake up, instead it will restart.

I have tested it with different OS's, HD's and RAM modules. I have also replaced the CMOS battery, still no luck.

Now I am going to buy a power supply and give that a try. What would you say?

Does anyone knows if power supply could be the source of the problem or nothing got to do with it.

Thanks for the help in advance!

P.S. - Everything else works way it should.

Update (09/16/2016)

Hi

Finally I have replaced the power board but unfortunately it didnt fix the issue :(

I guess its related to logic board .

Thanks

Diese Frage beantworten Ich habe das gleiche Problem

Ist dies eine gute Frage?

Ja Nein
Bewertung 0
Einen Kommentar hinzufügen

2 Antworten

Filtern nach:
Am hilfreichsten Neueste Älteste

Einstellungen

Have you tried Resetting the SMC? Follow this Apple T/N: Reset the System Management Controller (SMC) on your Mac I would start there.

War diese Antwort hilfreich?

Ja Nein
Bewertung 0

1 Kommentar:

Hi Dan.

Yes I have reseted the SMC but it didnt help.

Thanks

von

Einen Kommentar hinzufügen

Einstellungen

Power supplies have a second supply for standby. It is low power but keeps certain circuits alive during sleep mode. If that supply stopped working but the primary supply was ok you might get the effect you are seeing. Before replacing it, I would unplug the AC for one minute and then reconnect and try start up and sleep again. If the standby supply has become locked off due to some glitch, the unplugging the AC will allow it to reset. Worth a quick try.

War diese Antwort hilfreich?

Ja Nein
Bewertung 0

3 Kommentare:

Hi Whole Witt.

I have unplugged the AC several times didnt change anything.

I guess replacing the power board is my only option .

I just want to find out whats role of the power board in Sleep Awake cycle before I spend any money .

Thanks

von

I suspect a power issue. If the supply standby power is not working at all it could give you this problem. No guarantee but that is worth a try. If you find the solution, please post it here for others to see.

von

I will go for power supply and post the result here .

Thanks again.

von

Einen Kommentar hinzufügen

Antwort hinzufügen

Kip wird auf ewig dankbar sein.
Seitenaufrufe:

Letzte 24 Stunden: 0

Letzte 7 Tage: 0

Letzte 30 Tage: 1

Insgesamt: 163