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iMac 27" Boot loop (Everything tried)

crwdns2934249:0crwdne2934249:0:

Hi everyone
Yesterday i went to a friend who have a iMac 27" 2019 running Monterey and Fusion Drive.
He called me because the iMac had began to restart it selv in loops doing the night. I told him to do all kind of things but it didn't help so i went over there and did it all my selv and still didn't work. Then i reset the fusion drive and rsinstalled the OS and it was running good for 2 hours and then i went home.
Today he called me. Same problem again. I have done hardware Diagnostic, Safe Mode etc. etc. etc. I done it all.
Now i suspect memory maybe or PSU because it is really weird.
-Any suggestions ?
+Any suggestions ? is it possible to test ram by trying one blok at the time ?
Thx

crwdns2866306:0crwdne2866306:0:

iMac Intel 27" Retina 5K Display 2019

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crwdns2934241:0crwdne2934241:0 Lui

crwdns2947189:0crwdne2947189:0:

iMac 27" Boot loop (Everything tried)

crwdns2934249:0crwdne2934249:0:

Hi everyone

Yesterday i went to a friend who have a iMac 27" 2019 running Monterey and Fusion Drive.

He called me because the iMac had began to restart it selv in loops doing the night. I told him to do all kind of things but it didn't help so i went over there and did it all my selv and still didn't work. Then i reset the fusion drive and rsinstalled the OS and it was running good for 2 hours and then i went home.

Today he called me. Same problem again. I have done hardware Diagnostic, Safe Mode etc. etc. etc. I done it all.

Now i suspect memory maybe or PSU because it is really weird.

Any suggestions ?

Thx

crwdns2866306:0crwdne2866306:0:

iMac Intel 27" Retina 5K Display 2019

crwdns2915684:0crwdne2915684:0:

open