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Deze versie is geschreven door: oldturkey03 (stem details) ,

Titel:

Looping chime on booting

Tekst:

Hi guys,
 
I have a macbook air to repair. The problem is the same as here: http://www.youtube.com/watch?v=BSpikNzb0hQ
 
Looping chime. It even dont show logo of Mac OS. There just is a grey screen and looping chime until you place a finger on the button of power for 6 seconds.
 
I tried to reset PRAM, SCM - nothing. It got even worse. Before I reset PRAM it loaded to Windows but keyboard or mouse did not response. When i tried to load MacOS so 'Alt' key worked, it proposed me to select OS to load, but cursor of keyboard nor touchpad worked... Then i reset PRAM and from then chime is looping and it dont load OS at all... Even dont propose me to select OS. Even from external HDD.
 
Does anyone know a problem?
 
Thanks.
== Update ==
 
The== Update ==

The
problem was in Flash Memory that corrupted. I changed it. installed New Flash Memory removed serial number but computer began to start normally. Thanks to all.
The== Update ==

The
problem was in Flash Memory that corrupted. I changed it. installed New Flash Memory removed serial number but computer began to start normally. Thanks to all.

Apparaat:

MacBook Air 13" Mid 2011

Status:

open

Goedgekeurd antwoord:

120276

Bewerkt door: Eugene ,

Titel:

Looping chime on booting

Tekst:

Hi guys,
 
I have a macbook air to repair. The problem is the same as here: http://www.youtube.com/watch?v=BSpikNzb0hQ
 
Looping chime. It even dont show logo of Mac OS. There just is a grey screen and looping chime until you place a finger on the button of power for 6 seconds.
 
I tried to reset PRAM, SCM - nothing. It got even worse. Before I reset PRAM it loaded to Windows but keyboard or mouse did not response. When i tried to load MacOS so 'Alt' key worked, it proposed me to select OS to load, but cursor of keyboard nor touchpad worked... Then i reset PRAM and from then chime is looping and it dont load OS at all... Even dont propose me to select OS. Even from external HDD.
 
Does anyone know a problem?
 
Thanks.
== Update ==
 
The problem was in Flash Memory that corrupted. I changed it. installed New Flash Memory removed serial number but computer began to start normally. Thanks to all.

Apparaat:

MacBook Air 13" Mid 2011

Status:

open

Origineel bericht door: Eugene ,

Titel:

Looping chime on booting

Tekst:

Hi guys,

I have a macbook air to repair. The problem is the same as here: http://www.youtube.com/watch?v=BSpikNzb0hQ

Looping chime. It even dont show logo of Mac OS. There just is a grey screen and looping chime until you place a finger on the button of power for 6 seconds.

I tried to reset PRAM, SCM - nothing. It got even worse. Before I reset PRAM it loaded to Windows but keyboard or mouse did not response. When i tried to load MacOS  so 'Alt' key worked, it proposed me to select OS to load, but cursor of keyboard nor touchpad worked... Then i reset PRAM and from then chime is looping and it dont load OS at all... Even dont propose me to select OS. Even from external HDD.

Does anyone know a problem?

Thanks.

Apparaat:

MacBook Air 13" Mid 2011

Status:

open