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Titel:

Black screen - works sometimes

Tekst:

Hi
 
I use ifixit so much and always find my answers here but now I'm stuck.
 
I've got an 27 inch core2duo late 2009. After booting the screen turns black (so I see the apple logo and then the screen turns black, the machine stays on and I hear the HDD). I tried the LCD on a different iMac also late 2009 and then I got it booted but after a few seconds it turned black again but you hear the HDD run. I exchanged the LVDS cables and they both do the same. I know the LCD issn't completely broken because it sometimes works...
 
''Question is: whats causing the LCD to turn black after a few seconds?''
 
=== Update (06/08/2015) ===
 
[image|585044]
 
Dan included is a screenshot os temperature gauge pro. I kept on googling and I think there is something wrong with the led strip on my LCD or the board steering it.
 
kind regard
 
Frederik
 
=== Update (06/08/2015) ===
 
[image|585046]
 
Here again the screenshot.

Apparaat:

iMac Intel 27" EMC 2309 and 2374

Status:

open

Goedgekeurd antwoord:

234982

Bewerkt door: frederikvancraywinkel1 ,

Titel:

Black screen - works sometimes

Tekst:

Hi
 
I use ifixit so much and always find my answers here but now I'm stuck.
 
I've got an 27 inch core2duo late 2009. After booting the screen turns black (so I see the apple logo and then the screen turns black, the machine stays on and I hear the HDD). I tried the LCD on a different iMac also late 2009 and then I got it booted but after a few seconds it turned black again but you hear the HDD run. I exchanged the LVDS cables and they both do the same. I know the LCD issn't completely broken because it sometimes works...
 
''Question is: whats causing the LCD to turn black after a few seconds?''
 
=== Update (06/08/2015) ===
 
[image|585044]
 
Dan included is a screenshot os temperature gauge pro. I kept on googling and I think there is something wrong with the led strip on my LCD or the board steering it.

kind regard
Dan included is a screenshot os temperature gauge pro. I kept on googling and I think there is something wrong with the led strip on my LCD or the board steering it.

kind regard
 
kind regard
Frederik
 
=== Update (06/08/2015) ===
 
[image|585046]
 
Here again the screenshot.

Apparaat:

iMac Intel 27" EMC 2309 and 2374

Status:

open

Goedgekeurd antwoord:

234982

Bewerkt door: frederikvancraywinkel1 ,

Titel:

Black screen - works sometimes

Tekst:

Hi
 
I use ifixit so much and always find my answers here but now I'm stuck.
 
I've got an 27 inch core2duo late 2009. After booting the screen turns black (so I see the apple logo and then the screen turns black, the machine stays on and I hear the HDD). I tried the LCD on a different iMac also late 2009 and then I got it booted but after a few seconds it turned black again but you hear the HDD run. I exchanged the LVDS cables and they both do the same. I know the LCD issn't completely broken because it sometimes works...
 
''Question is: whats causing the LCD to turn black after a few seconds?''
 
=== Update (06/08/2015) ===
 
[image|585044]
 
Dan included is a screenshot os temperature gauge pro. I kept on googling and I think there is something wrong with the led strip on my LCD or the board steering it.
 
kind regard
Frederik

Apparaat:

iMac Intel 27" EMC 2309 and 2374

Status:

open

Goedgekeurd antwoord:

234982

Bewerkt door: oldturkey03 (stem details) ,

Titel:

Black screen - works sometimes

Tekst:

Hi

I use ifixit so much and always find my answers here but now I'm stuck.

I've got an 27 inch core2duo late 2009. After booting the screen turns black (so I see the apple logo and then the screen turns black, the machine stays on and I hear the HDD). I tried the LCD on a different iMac also late 2009 and then I got it booted but after a few seconds it turned black again but you hear the HDD run. I exchanged the LVDS cables and they both do the same. I know the LCD issn't completely broken because it sometimes works...

''Question is: whats causing the LCD to turn black after a few seconds?''

Apparaat:

iMac Intel 27" EMC 2309 and 2374

Status:

open

Goedgekeurd antwoord:

234982

Bewerkt door: Dan (stem details) ,

Titel:

Black screen - works sometimes

Tekst:

Hi

I use ifixit so much and always find my answers here but now I'm stuck.

I've got an 27 inch core2duo late 2009. After booting the screen turns black (so I see the apple logo and then the screen turns black, the machine stays on and I hear the HDD). I tried the LCD on a different iMac also late 2009 and then I got it booted but after a few seconds it turned black again but you hear the HDD run. I exchanged the LVDS cables and they both do the same. I know the LCD issn't completely broken because it sometimes works...

''Question is: whats causing the LCD to turn black after a few seconds?''

Apparaat:

iMac Intel 27" EMC 2309 and 2374

Status:

open

Goedgekeurd antwoord:

236977

Bewerkt door: frederikvancraywinkel1 ,

Titel:

Black screen - works sometimes

Tekst:

Hi

I use ifixit so much and always find my answers here but now I'm stuck.

I've got an 27 inch core2duo late 2009. After booting the screen turns black (so I see the apple logo and then the screen turns black, the machine stays on and I hear the HDD). I tried the LCD on a different iMac also late 2009 and then I got it booted but after a few seconds it turned black again but you hear the HDD run. I exchanged the LVDS cables and they both do the same. I know the LCD issn't completely broken because it sometimes works...

''Question is: whats causing the LCD to turn black after a few seconds?''

Apparaat:

iMac Intel 27" EMC 2309 and 2374

Status:

open

Goedgekeurd antwoord:

236977

Bewerkt door: frederikvancraywinkel1 ,

Titel:

Black screen - works sometimes

Tekst:

Hi

I use ifixit so much and always find my answers here but now I'm stuck.

I've got an 27 inch core2duo late 2009. After booting the screen turns black (so I see the apple logo and then the screen turns black, the machine stays on and I hear the HDD). I tried the LCD on a different iMac also late 2009 and then I got it booted but after a few seconds it turned black again but you hear the HDD run. I exchanged the LVDS cables and they both do the same. I know the LCD issn't completely broken because it sometimes works...

''Question is: whats causing the LCD to turn black after a few seconds?''

Apparaat:

iMac Intel 27" EMC 2309 and 2374

Status:

open

Goedgekeurd antwoord:

236360

Bewerkt door: frederikvancraywinkel1 ,

Titel:

Black screen - works sometimes

Tekst:

Hi

I use ifixit so much and always find my answers here but now I'm stuck.

I've got an 27 inch core2duo late 2009. After booting the screen turns black (so I see the apple logo and then the screen turns black, the machine stays on and I hear the HDD). I tried the LCD on a different iMac also late 2009 and then I got it booted but after a few seconds it turned black again but you hear the HDD run. I exchanged the LVDS cables and they both do the same. I know the LCD issn't completely broken because it sometimes works...

''Question is: whats causing the LCD to turn black after a few seconds?''

Apparaat:

iMac Intel 27" EMC 2309 and 2374

Status:

open

Goedgekeurd antwoord:

236360

Origineel bericht door: frederikvancraywinkel1 ,

Titel:

Black screen - works sometimes

Tekst:

Hi

I use ifixit so much and always find my answers here but now I'm stuck.

I've got an 27 inch core2duo late 2009. After booting the screen turns black (so I see the apple logo and then the screen turns black, the machine stays on and I hear the HDD). I tried the LCD on a different iMac also late 2009 and then I got it booted but after a few seconds it turned black again but you hear the HDD run. I exchanged the LVDS cables and they both do the same. I know the LCD issn't completely broken because it sometimes works...

''Question is: whats causing the LCD to turn black after a few seconds?''

Apparaat:

iMac Intel 27" EMC 2309 and 2374

Status:

open