3 
1 Apple hardware test without battery
I have got clear answer about 4SNS/1/40000000: ICOR - 21.926 error from previous answers but I have forgotten to say that I didn't have battery in my Mac during the test.
Do I need to make Apple Hardware Test with battery and connect my power supply or I can do it without battery? Does it any relation to result of test. Could be error 4SNS/1/40000000: ICOR - 21.926 as result testing without battery?
Thanks for answer
Questa è una buona domanda?
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3 Commenti
Can you give us some background here on whats happening.
da Dan
I forgot to say that the logic board on this laptop was replaced few weeks ago. Because the previous one was completely dead. I think that the replaced used logic board has errors.
da greytl
When I run Apple Hardware Test with battery there wasn't any errors. Thanks a lot for advise!
da greytl