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Old 11-21-2017, 02:27 AM   #141
twingolover
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Join Date: Oct 2017
City & State: ancona
My Country: Italy
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Posts: 6
Default Re: iMac 24 PSU LITEON PA-3241-02A1 250W

hi ,
after a lot of time i have an update.

before buy a new graphica card , i try to reflow the old one.
Now i have this situation.

Imac starts , i hear chime sound on startup and hard disk appear working (i dont' have thuderbolt display to connect a 2nd display) and fans works also.

but totally black screen i don't see nothing!!!!!

Looking for led i have :

Led 1 , green state
Led 2 , green state
Led 3 , off (green for a while when poweron)
Led 4 , off

Please can you help me to troubleshoot issue?
Can be surely graphic card?

Thanks in advance

Last edited by twingolover; 11-21-2017 at 02:29 AM..
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Old 06-14-2018, 05:41 AM   #142
mikelcerveaux
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City & State: Albion
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Posts: 2
Default Re: iMac 24 PSU LITEON PA-3241-02A1 250W

Hi, Does anyone have the lieon pa-3241-02A1 schematics? Thx
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Old 08-31-2018, 04:32 AM   #143
twingolover
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Join Date: Oct 2017
City & State: ancona
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Posts: 6
Default Re: iMac 24 PSU LITEON PA-3241-02A1 250W

Quote:
Originally Posted by twingolover View Post
hi ,
after a lot of time i have an update.

before buy a new graphica card , i try to reflow the old one.
Now i have this situation.

Imac starts , i hear chime sound on startup and hard disk appear working (i dont' have thuderbolt display to connect a 2nd display) and fans works also.

but totally black screen i don't see nothing!!!!!

Looking for led i have :

Led 1 , green state
Led 2 , green state
Led 3 , off (green for a while when poweron)
Led 4 , off

Please can you help me to troubleshoot issue?
Can be surely graphic card?

Thanks in advance
if it can be useful , after replacing GPU with another one now imac works good.
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