rajesh_kr

Q: iMac 27" Late 2013 - Random Shutdown

My iMac 27" Late 2013 - Have this random shutdown issue, like power chord is pulled out..randomly. I can only start it by plugging out the power cable and waiting for 5 mins and then restarting it.

 

When I explored the forum it seems the problem dates back all the way to 2010, it is a shame that the problem still persists on such an expensive iMac after all these years and apple is unable to provide a definitive solution.

 

My machine is less than a year old, still under warranty, also under Apple Care, took it twice to the service centre, here are the sequence of events:

 

- They have reset the SMC, PRAM, re-installed OS during first visit, problem persisted

- Spent an hour on phone support, again did a web-install of the OS, moved from ElCapitan to Yosemite, problem persisted

- Took it again, they replaced the Main Logic Board...the problem is still persisting

 

I read a lot of theories online but no definitive solution. Here are some of the theories I came across:
- RAM 16 GB causing the problem...but mine is 8 GB

- All slots of RAM is filled...but mine has only 2 slots filled

- It happens only on i7...but mine is a i5 machine

- Could be because of the UPS, not having a good sine wave....wonder how to test it though !!

 

Has anyone come across this problem and solved it definitively...please help, as I am losing trust with Apple engineer's ability to solve it...wow! it sounds strange isn't it, world most innovative and valued company is unable to fix such a common problem that numerous customers are facing...and we are losing trust with them.

 

I am in Bangalore India, need to check on the consumer rights on this, any inputs on this will also help as I believe I deserve a replacement for this defective product. If it was the US, if it is a lemon (take it to fix the same problem 3 times)...even cars get replaced. Wonder how it works here. Any lawyers on this forum?

 

Dear fellow Apple admirers and lovers of mac (I am one too!) please help.

iMac (27-inch, Late 2013), OS X Yosemite (10.10.5)

Posted on Mar 12, 2016 4:22 AM

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