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Aktuelle Version von: Dan ,

Titel:

No power on this 2012 21,5" iMac 21,5 slim 2012
No power on this 2012 21,5" iMac 21,5 slim 2012

Text:

helloHello, I have a problem with a late 2012 21.5” iMac (A1418) EMC 2544
helloHello, I have a problem with a late 2012 21.5” iMac (A1418) EMC 2544
 
I have a problem with a late 2012 iMac (21.5-inch slim)

model number A1418

EMC 2544

Mother
Mother board 820-3302-A

It
It does not turn on

So
on, so I filedlifted the screen off
I have a problem with a late 2012 iMac (21.5-inch slim)

model number A1418

EMC 2544

Mother
Mother board 820-3302-A

It
It does not turn on

So
on, so I filedlifted the screen off
 
There are 4 diagnostic LEDs
 
test 1

with
'''Test 1:''' With power supply cable connected

Black

Black

Black

green

test 2

If I press the button, there are just

Black

green

Black

green

nothing happens on the other
test 1

with
'''Test 1:''' With power supply cable connected

Black

Black

Black

green

test 2

If I press the button, there are just

Black

green

Black

green

nothing happens on the other
 
no ventilation which turns* Black
* Black
* Black
* green
'''Test 2:''' If I press the button, there are just
no ventilation which turns* Black
* Black
* Black
* green
'''Test 2:''' If I press the button, there are just
 
no beeps nothing* Black
* green
* Black
* green
Nothing happens on the other
no beeps nothing* Black
* green
* Black
* green
Nothing happens on the other
 
however* no ventilation which turns
* no beeps nothing
How do
these LED corresponds with this model?
however* no ventilation which turns
* no beeps nothing
How do
these LED corresponds with this model?
 
Usually: power unit + motherboard + video card + screen
 
The I find bizarre as it skips the second and there's only 1 and 3 lit.
 
thankThank you for your help, failure arrival alone
thankThank you for your help, failure arrival alone

Gerät:

iMac Intel 21.5" EMC 2544

Status:

open

Bearbeitet von: Sam Goldheart ,

Titel:

No power on iMac 21,5 slim 2012

Text:

hello

I have a problem with a late 2012 iMac (21.5-inch slim)

model number A1418

EMC 2544

Mother board 820-3302-A

It does not turn on

So I filed the screen

There are 4 diagnostic LEDs

test 1

with power supply cable connected

Black

Black

Black

green

test 2

If I press the button, there are just

Black

green

Black

green

nothing happens on the other

no ventilation which turns

no beeps nothing

however these LED corresponds with this model?

Usually: power unit + motherboard + video card + screen

The I find bizarre as it skips the second and there's only 1 and 3 lit.

thank you for your help, failure arrival alone

Gerät:

Imac 21.5iMac Intel 21.5" EMC 2544
Imac 21.5iMac Intel 21.5" EMC 2544

Status:

open

Ursprünglicher Beitrag von: fandeimac ,

Titel:

No power on iMac 21,5 slim 2012

Text:

hello

I have a problem with a late 2012 iMac (21.5-inch slim)

model number A1418

EMC 2544

Mother board 820-3302-A

It does not turn on

So I filed the screen

There are 4 diagnostic LEDs

test 1

with power supply cable connected

Black

Black

Black

green

test 2

If I press the button, there are just

Black

green

Black

green

nothing happens on the other

no ventilation which turns

no beeps nothing

however these LED corresponds with this model?

Usually: power unit + motherboard + video card + screen

The I find bizarre as it skips the second and there's only 1 and 3 lit.

thank you for your help, failure arrival alone

Gerät:

Imac 21.5 EMC 2544

Status:

open