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- EMC 2353-1 after writing chip no beep n more..
EMC 2353-1 after writing chip no beep n more..
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8 years 3 months ago #2198 by Sisco
EMC 2353-1 after writing chip no beep n more.. was created by Sisco
After I read my chip 3 times, edited the hex, and wrote back I have had a problem since.
No beep upon boot, and won't power on unless cord is plugged in, no boot keys will work.
Goes directly to blinking folder screen.
I tried to flash from the EFI repository and flatiron says repository .bin is 2bytes larger.. Before & after changing "model number" to mine..
Please advise
No beep upon boot, and won't power on unless cord is plugged in, no boot keys will work.
Goes directly to blinking folder screen.
I tried to flash from the EFI repository and flatiron says repository .bin is 2bytes larger.. Before & after changing "model number" to mine..
Please advise
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8 years 3 months ago #2200 by thaGH05T
If I helped you, buy me a beer!!! Happy Hunting...
Replied by thaGH05T on topic EMC 2353-1 after writing chip no beep n more..
Please upload your original firmware so we can have a look. Also I'm willing to bet you didnt remove the <> from around the serial number for the one you downloaded from the repos. I do not recommend using the repos unless absolutely nessesary.
If I helped you, buy me a beer!!! Happy Hunting...
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8 years 3 months ago #2202 by CygnusX1
If I helped you buy me a latte!
Replied by CygnusX1 on topic EMC 2353-1 after writing chip no beep n more..
That's exactly what I was thinking!
If I helped you buy me a latte!
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8 years 3 months ago #2241 by Sisco
Replied by Sisco on topic EMC 2353-1 after writing chip no beep n more..
Attached is my original firmware
Correct I didn't replace the < >, what do I replace the < > with?
Yes I only tried downloaded firmware as last resort after writing mine several times, had the result I explained when starting this thread..
Any help is very much appreciated!
Correct I didn't replace the < >, what do I replace the < > with?
Yes I only tried downloaded firmware as last resort after writing mine several times, had the result I explained when starting this thread..
Any help is very much appreciated!
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8 years 3 months ago #2251 by thaGH05T
If I helped you, buy me a beer!!! Happy Hunting...
Replied by thaGH05T on topic EMC 2353-1 after writing chip no beep n more..
here is your original with the password removed.
If I helped you, buy me a beer!!! Happy Hunting...
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8 years 3 months ago #2258 by Sisco
Replied by Sisco on topic EMC 2353-1 after writing chip no beep n more..
Attached is the log of writing the firmware you provided
I will install motherboard shortly and test. I have already wiped the hard drive with Disk Utility
I will install motherboard shortly and test. I have already wiped the hard drive with Disk Utility
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8 years 3 months ago #2259 by thaGH05T
If I helped you, buy me a beer!!! Happy Hunting...
Replied by thaGH05T on topic EMC 2353-1 after writing chip no beep n more..
Good deal, let me know the outcome but it looks like it did a full write.
If I helped you, buy me a beer!!! Happy Hunting...
The following user(s) said Thank You: Sisco
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8 years 3 months ago - 8 years 3 months ago #2263 by Sisco
Replied by Sisco on topic EMC 2353-1 after writing chip no beep n more..
Booted up properly after writing the firmware provided, thank you!
Booting normally goes to blinking folder screen so I booted from USB OS X Install, getting 3 beeps repeating..
Tried Internet Recovery, after waiting for the download, recovery comes up asking for 4 digit system pin, please advise.
USB OS X Install was 10.6 Snow Leopard, preparing 10.11 El Capitan to USB now to see how that goes
Booting normally goes to blinking folder screen so I booted from USB OS X Install, getting 3 beeps repeating..
Tried Internet Recovery, after waiting for the download, recovery comes up asking for 4 digit system pin, please advise.
USB OS X Install was 10.6 Snow Leopard, preparing 10.11 El Capitan to USB now to see how that goes
Last edit: 8 years 3 months ago by Sisco. Reason: update
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8 years 3 months ago - 8 years 3 months ago #2264 by cyber16
Replied by cyber16 on topic EMC 2353-1 after writing chip no beep n more..
sounds like its icloud locked
Will need to use a different SN or no SN which will lead to other problems
it also helps to reset PRAM & SMC
Being icloud locked, it has reported its location to whom ever locked it.
edit:
You could install OS x locally such as dmg from flash drive or optical drive and not connect online, then it should take the install.
Will need to use a different SN or no SN which will lead to other problems
it also helps to reset PRAM & SMC
Being icloud locked, it has reported its location to whom ever locked it.
edit:
You could install OS x locally such as dmg from flash drive or optical drive and not connect online, then it should take the install.
Last edit: 8 years 3 months ago by cyber16. Reason: after thought
The following user(s) said Thank You: Sisco
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8 years 3 months ago #2272 by Sisco
Replied by Sisco on topic EMC 2353-1 after writing chip no beep n more..
Success!
I reset the NVRAM with Command-Option-P-R and immediately noticed a difference, the boot beep came back, screen was brighter, and now no more 4 digit pin lock upon Internet Recovery! Thank you for the help.
I reset the NVRAM with Command-Option-P-R and immediately noticed a difference, the boot beep came back, screen was brighter, and now no more 4 digit pin lock upon Internet Recovery! Thank you for the help.
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6 years 3 months ago #9218 by fuse_fuse
Replied by fuse_fuse on topic EMC 2353-1 after writing chip no beep n more..
Can you tell for which CPU is 2.0 or 2.2 Ghz ?
Thanks
Thanks
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