i mac A1312 start up loading then auto shutdown

[AltraqComputer]

good day, to all,

i have here here now a iMac A1312 with auto shutdown issue while loading to startup, i check the led code led #1 ,#2 , #3 , #4 all is working good when pressing power button. then display appear and sound and loading status appear into 30 to 40 % then shutdown power. can anyone share ideas before i proceed isolating the issue. thank a lot everyone have a good day.

[FShahid]

Re: i mac A1312 start up loading then auto shutdown

It is trying to resume from hibernate file but that seems corrupted or something, so it switches off. ie. software related issue.

[lorins_core]

Re: i mac A1312 start up loading then auto shutdown

good day, to all,

i have here here now a iMac A1312 with auto shutdown issue while loading to startup, i check the led code led #1 ,#2 , #3 , #4 all is working good when pressing power button. then display appear and sound and loading status appear into 30 to 40 % then shutdown power. can anyone share ideas before i proceed isolating the issue. thank a lot everyone have a good day.

can you Try To Change the new tested Charger Adaptor. may be have thermal issue. try to clean the fan and installed new thermal compounds...

[tamzgha]

Re: i mac A1312 start up loading then auto shutdown

iMac A1312 try to copy your data then reformat if still have the problem see CPU thermal compounds if still your pwer supply is the problem