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Deze versie is geschreven door: Roman ,

Titel:

No boot. Endless dong loop

Tekst:

After turning it on, I hear the dong, then it keeps rebooting & donging every couple of seconds.
 
Screen stays dark.
 
3 LEDs lit on the motherboard. (screen is disconnected, so not 4)
 
LEDs don’t change during the reboot cycle.
 
* Tried different power supply.
* Replaced tgethe EFI chip with a new pre-programmed one.
* Replaced tgethe EFI chip with a new pre-programmed one.
 
No dice so far.
 
Any thoughts?
 
Thanks!

Apparaat:

iMac Intel 27" EMC 2390

Status:

open

Origineel bericht door: Roman ,

Titel:

No boot. Endless dong loop

Tekst:

After turning it on, I hear the dong, then it keeps rebooting & donging every couple of seconds.

Screen stays dark.

3 LEDs lit on the motherboard. (screen is disconnected, so not 4)

LEDs don’t change during the reboot cycle.

* Tried different power supply. 
* Replaced tge EFI chip with a new pre-programmed one. 

No dice so far.

Any thoughts?

Thanks!

Apparaat:

iMac Intel 27" EMC 2390

Status:

open