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Current version by: Dan ,

Text:

I had the same issue. 2 days spent on it. The mbp

The MacBook Pro
started with black screen, no chime, no appleApple logo. afterAfter some time it displayed the ? folder. I

I
tried all optionthe options, but no success. BUTsuccess, I eventually succeed. I holdsucceed by doing the NVRAM restreset buttons (cmd-opt-R-P) for ALMOST 5 minutes and suddenly heard the chime (I press few time the onpower button to make sure the macsystem started and continued to press the other 4 buttons). To conclude, I've MBPI now have Catalina on my MacBook Pro retina 13' early 2015 128GB w/Catalina. I've128GB!

I've
upgraded to 970Evoa Samsung 970 EVO SSD. However, I learned the hard way that it must be via macosmacOS Mojave. You

You
MUST have a bootable Mojave disk and once the macsystem restart, you should erase the EvoSamsung 970 EVO to reformat it and only then you can restore from backup. Hope

Hope
it help anybody. (BTW: since therehelps!

BTW: Since the
was issue w/Catalinawas with Catalina I moved back to my original SSD)SSD.
I had the same issue. 2 days spent on it. The mbp

The MacBook Pro
started with black screen, no chime, no appleApple logo. afterAfter some time it displayed the ? folder. I

I
tried all optionthe options, but no success. BUTsuccess, I eventually succeed. I holdsucceed by doing the NVRAM restreset buttons (cmd-opt-R-P) for ALMOST 5 minutes and suddenly heard the chime (I press few time the onpower button to make sure the macsystem started and continued to press the other 4 buttons). To conclude, I've MBPI now have Catalina on my MacBook Pro retina 13' early 2015 128GB w/Catalina. I've128GB!

I've
upgraded to 970Evoa Samsung 970 EVO SSD. However, I learned the hard way that it must be via macosmacOS Mojave. You

You
MUST have a bootable Mojave disk and once the macsystem restart, you should erase the EvoSamsung 970 EVO to reformat it and only then you can restore from backup. Hope

Hope
it help anybody. (BTW: since therehelps!

BTW: Since the
was issue w/Catalinawas with Catalina I moved back to my original SSD)SSD.

Status:

open

Edit by: Rony Ronen ,

Text:

I had the same issue. 2 days spent on it. The mbp started with black screen, no chime, no apple logo. after some time it displayed the ? folder. I tried all option, but no success. BUT, I eventually succeed. I hold the NVRAM rest buttons (cmd-opt-R-P) for ALMOST 5 minutes and suddenly heard the chime (I press few time the on button to make sure the mac started and continued to press the other 4 buttons). To conclude, I've MBP retina 13' early 2015 128GB w/Catalina. I've upgraded to 970Evo. However, I learned the hard way that it must be via macos Mojave. You MUST have a bootable Mojave disk and once the mac restart, you should erase the Evo 970 to reformat it and only then you can restore from backup. Hope it help anybody. (BTW: since there was issue w/Catalina I moved back to my original SSD)
I had the same issue. 2 days spent on it. The mbp started with black screen, no chime, no apple logo. after some time it displayed the ? folder. I tried all option, but no success. BUT, I eventually succeed. I hold the NVRAM rest buttons (cmd-opt-R-P) for ALMOST 5 minutes and suddenly heard the chime (I press few time the on button to make sure the mac started and continued to press the other 4 buttons). To conclude, I've MBP retina 13' early 2015 128GB w/Catalina. I've upgraded to 970Evo. However, I learned the hard way that it must be via macos Mojave. You MUST have a bootable Mojave disk and once the mac restart, you should erase the Evo 970 to reformat it and only then you can restore from backup. Hope it help anybody. (BTW: since there was issue w/Catalina I moved back to my original SSD)

Status:

open

Original post by: Rony Ronen ,

Text:

I had the same issue. 2 days spent on it. The mbp started with black screen, no chime, no apple logo. after some time it displayed the ? folder. I tried all option, but no success.  BUT,  I eventually succeed. I hold the NVRAM rest buttons (cmd-opt-R-P) for ALMOST 5 minutes and suddenly heard the chime (I press few time the on button to make sure the mac started and continued to press the other 4 buttons).  To conclude, I've MBP retina 13' early 2015 128GB w/Catalina. I've upgraded to 970Evo. However, I learned the hard way that it must be via macos Mojave. You MUST have a bootable Mojave disk and once the mac restart, you should erase the Evo 970 to reformat it and only then you can restore from backup. Hope it help anybody.

Status:

open