Imac 21.5 A1418 (EMC 2544) - No soud After install parallels

[Noguinfor]

Hi everyone,

This machine according to client doesn't sound After install parallels. I though the problem is bios! Then i tried to program with another bios and the machine does't show image. i save the original file before reprogram and and neither with the bios original resolved...

anyone can help me ??

thank's

 

[smiba]

Uh, I don't think you can break a "bios" by installing software.

Does the audio work when booting a OS X installation from a external drive?

 

[Noguinfor]

yes, i already changed the main disk and i tried from a external drive.. now I'm screwed because i have 2 problems!!

 

[dukefawks]

So you fucked with the BIOS and now the machine is dead.....What file did you use? Which programmer did you use? Is the "quad enable" bit set when programming the chip?
You should NEVER have touched the BIOS, makes no sense at all. Upload original dump here for verification.

 

[Noguinfor]

Ya, first time is happen to me. i had the precaution of read and save 2 times.. but it was not enough.. we are always learning.
i try one file they give-me in Ghostlyhacks.. My programmer is EZP2010. i did not activate any bit set..What can be without being the bios ??

https://drive.google.com/file/d/0BxEM0L3NRTCOV1ZORmtQM1IwXzQ/view?usp=sharing

 

[dukefawks]

Looking at the BIOS this machine is 3 months old. WTF why not take this to Apple. I have no BIOS for such a recent machine.

 

[Noguinfor]

iMac "Core i5" 2.9 21.5-Inch (Late 2012) 2.9 GHz Core i5 (I5-3470S) .. This machine is late 2012, who is possible this machine is 3 months old??
I already realized I'm fucked! The first time I get these shit, but all this is going help me to learn. one think i know, does't happen to me again..

 

[aprendiz]

Try this one, if it works just need to fix ME region...

https://www.4shared.com/rar/rpxoOWOUei/A1418ok.html?

 

[Noguinfor]

don't work. no image..

 

[Noguinfor]

I have the second bios I saved. Can you check if this bios is well ?


https://drive.google.com/file/d/0BxEM0L3NRTCOQW1NbXVxcHVaOW8/view?usp=sharing

I need really help, i can pay more if needed.

 

[dukefawks]

Something else is fucked. Does the machine even attempt to power on?

 

[Noguinfor]

i think the machine turn on well but without image. I do not know if the machine makes that initial sound, because it was his problem initially..

Led501 always green when i put the charger. when i push the button only turn on led502..

 

[dukefawks]

You think the machine powers up? Any problems just seeing if the fan spins or the HDD powers up?

 

[Noguinfor]

ya, fan spins and HDD powers up... and the board heats up like a normal board...

 

[dukefawks]

USB mouse lights up?

 

[aprendiz]

There is something wrong with your dumps, both files are corrupted... Whit the file Ive posted should have imagen at least...

 

[Noguinfor]

Unfortunately not.

 

[dukefawks]

Programmer is probably fucked or SOIC adapter. Get a TL866, EZP2010 is too ancient.

 

[Noguinfor]

I will get a new programmer.. and see if this work's! Thank you

 

[Noguinfor]

hey duke,
fucking EZP2010 is trash! i already have a new one..

The machine work's perfectly but no sound... You have any idea what can it be?