2012 i7 MBP A1278 13" Uni-body. Question Mark Folder at boot.
Connect external to reinstall OS & the icons are ***BLUE*** when they are always ***YELLOW***.
Screen has been tested on another identical unit and displays ***YELLOW*** icons.
Select OS to install (Catalina) Gets halfway in initial progress bar & the ? Folder comes again.
I have swapped over 3x Flex cables. Same results.
3x SSD (ADATA / Transcend / Samsung). ALL with Catalina Pre-Installed. Same Result.
Reset SMC / PRAM etc..... Same Result.
+
Firmware password protection is OFF.
+
Apple Diagnostics ***ONLY*** says the battery needs service (somewhat Irrelevant to issue) BUT the unit automatically boots up when connected to charger.
Obviously the board is suddenly not finding the SSD boot drive - Was OK the last time tested a few days back.
What lines do I need to check on the board 820-3115 EMC 2554.
2012 i7 MBP A1278 13" Uni-body. Question Mark Folder at boot.
Connect external to reinstall OS & the icons are ***BLUE*** when they are always ***YELLOW***.
Screen has been tested on another identical unit and displays ***YELLOW*** icons.
Select OS to install (Catalina) Gets halfway in initial progress bar & the ? Folder comes again.
I have swapped over 3x Flex cables. Same results.
3x SSD (ADATA / Transcend / Samsung). ALL with Catalina Pre-Installed. Same Result.
Reset SMC / PRAM etc..... Same Result.
Apple Diagnostics ***ONLY*** says the battery needs service (somewhat Irrelevant to issue) BUT the unit automatically boots up when connected to charger.
Obviously the board is suddenly not finding the SSD boot drive - Was OK the last time tested a few days back.
What lines do I need to check on the board 820-3115 EMC 2554.
2012 i7 MBP A1278 13" Uni-body. Question Mark Folder at boot.
Connect external to reinstall OS & the icons are ***BLUE*** when they are always ***YELLOW***.
Screen has been tested on another identical unit and displays ***YELLOW*** icons.
Select OS to install (Catalina) Gets halfway in initial progress bar & the ? Folder comes again.
I have swapped over 3x Flex cables. Same results.
3x SSD (ADATA / Transcend / Samsung). ALL with Catalina Pre-Installed. Same Result.
Reset SMC / PRAM etc..... Same Result.
Apple Diagnostics ***ONLY*** says the battery needs service (somewhat Irrelevant to issue) BUT the unit automatically boots up when connected to charger.
Obviously the board is suddenly not finding the SSD boot drive - Was OK the last time tested a few days back.
What lines do I need to check on the board 820-3115 EMC 2554.
2012 i7 MBP A1278 13" Uni-body. Question Mark Folder at boot.
-
Connect external to reinstall & the icons are ***BLUE*** when they are always ***YELLOW***.
+
Connect external to reinstall OS & the icons are ***BLUE*** when they are always ***YELLOW***.
Screen has been tested on another identical unit and displays ***YELLOW*** icons.
Select OS to install (Catalina) Gets halfway in initial progress bar & the ? Folder comes again.
I have swapped over 3x Flex cables. Same results.
3x SSD (ADATA / Transcend / Samsung). ALL with Catalina Pre-Installed. Same Result.
Reset SMC / PRAM etc..... Same Result.
Apple Diagnostics ***ONLY*** says the battery needs service (somewhat Irrelevant to issue) BUT the unit automatically boots up when connected to charger.
Obviously the board is suddenly not finding the SSD boot drive - Was OK the last time tested a few days back.
What lines do I need to check on the board 820-3115 EMC 2554.
2012 i7 MBP A1278 13" Uni-body. Question Mark Folder at boot.
-
Connect external to reinstall & the icons are ***BLUE*** when they are usually ***YELLOW***.
+
Connect external to reinstall & the icons are ***BLUE*** when they are always ***YELLOW***.
-
Screen has been tested on another identical unit and displays yellow icons.
+
Screen has been tested on another identical unit and displays ***YELLOW*** icons.
Select OS to install (Catalina) Gets halfway in initial progress bar & the ? Folder comes again.
I have swapped over 3x Flex cables. Same results.
-
3x SSD (ADATA / Transcend / Samsung). ALL with Catalina pre-installed. Same Result.
+
3x SSD (ADATA / Transcend / Samsung). ALL with Catalina Pre-Installed. Same Result.
Reset SMC / PRAM etc..... Same Result.
Apple Diagnostics ***ONLY*** says the battery needs service (somewhat Irrelevant to issue) BUT the unit automatically boots up when connected to charger.
-
Obviously the board is suddenly not finding the SSD - Was OK the last time tested.
+
Obviously the board is suddenly not finding the SSD boot drive - Was OK the last time tested a few days back.
What lines do I need to check on the board 820-3115 EMC 2554.
2012 i7 MBP A1278 13" Uni-body. Question Mark Folder at boot.
Connect external to reinstall & the icons are ***BLUE*** when they are usually ***YELLOW***.
Screen has been tested on another identical unit and displays yellow icons.
Select OS to install (Catalina) Gets halfway in initial progress bar & the ? Folder comes again.
I have swapped over 3x Flex cables. Same results.
3x SSD (ADATA / Transcend / Samsung). ALL with Catalina pre-installed. Same Result.
Reset SMC / PRAM etc..... Same Result.
-
Apple Diagnostics ***ONLY*** says the battery needs service (somewhat Irrelevant to issue) BUT the unit automatically boots up when connected to charger. Weird.
+
Apple Diagnostics ***ONLY*** says the battery needs service (somewhat Irrelevant to issue) BUT the unit automatically boots up when connected to charger.
Obviously the board is suddenly not finding the SSD - Was OK the last time tested.
What lines do I need to check on the board 820-3115 EMC 2554.
2012 i7 MBP A1278 13" Uni-body. Question Mark Folder at boot.
-
Connect external to reinstall & the icons are ***BLUE*** when they are usually ***YELLOW***. Screen has been tested on another identical unit and displays yellow icons.
+
Connect external to reinstall & the icons are ***BLUE*** when they are usually ***YELLOW***.
+
+
Screen has been tested on another identical unit and displays yellow icons.
Select OS to install (Catalina) Gets halfway in initial progress bar & the ? Folder comes again.
I have swapped over 3x Flex cables. Same results.
3x SSD (ADATA / Transcend / Samsung). ALL with Catalina pre-installed. Same Result.
Reset SMC / PRAM etc..... Same Result.
Apple Diagnostics ***ONLY*** says the battery needs service (somewhat Irrelevant to issue) BUT the unit automatically boots up when connected to charger. Weird.
Obviously the board is suddenly not finding the SSD - Was OK the last time tested.
What lines do I need to check on the board 820-3115 EMC 2554.
2012 i7 MBP A1278 13" Uni-body. Question Mark Folder at boot.
-
Connect external to reinstall & the icons are ***BLUE*** when they are usually ***YELLOW***.
+
Connect external to reinstall & the icons are ***BLUE*** when they are usually ***YELLOW***. Screen has been tested on another identical unit and displays yellow icons.
Select OS to install (Catalina) Gets halfway in initial progress bar & the ? Folder comes again.
I have swapped over 3x Flex cables. Same results.
3x SSD (ADATA / Transcend / Samsung). ALL with Catalina pre-installed. Same Result.
Reset SMC / PRAM etc..... Same Result.
Apple Diagnostics ***ONLY*** says the battery needs service (somewhat Irrelevant to issue) BUT the unit automatically boots up when connected to charger. Weird.
Obviously the board is suddenly not finding the SSD - Was OK the last time tested.
What lines do I need to check on the board 820-3115 EMC 2554.
2012 i7 MBP A1278 13" Uni-body. Question Mark Folder at boot.
Connect external to reinstall & the icons are ***BLUE*** when they are usually ***YELLOW***.
Select OS to install (Catalina) Gets halfway in initial progress bar & the ? Folder comes again.
I have swapped over 3x Flex cables. Same results.
3x SSD (ADATA / Transcend / Samsung). ALL with Catalina pre-installed. Same Result.
Reset SMC / PRAM etc..... Same Result.
-
Apple Diagnostics ***ONLY*** says the battery needs service (Irrelevant to issue)
+
Apple Diagnostics ***ONLY*** says the battery needs service (somewhat Irrelevant to issue) BUT the unit automatically boots up when connected to charger. Weird.
-
Obviously the board is suddenly not finding the SSD - Was OK the last time tested. What lines do I need to check on the board 820-3115 EMC 2554.
+
Obviously the board is suddenly not finding the SSD - Was OK the last time tested.
+
+
What lines do I need to check on the board 820-3115 EMC 2554.
2012 i7 MBP A1278 13" Uni-body. Question Mark Folder at boot.
Connect external to reinstall & the icons are ***BLUE*** when they are usually ***YELLOW***.
Select OS to install (Catalina) Gets halfway in initial progress bar & the ? Folder comes again.
I have swapped over 3x Flex cables. Same results.
3x SSD (ADATA / Transcend / Samsung). ALL with Catalina pre-installed. Same Result.
Reset SMC / PRAM etc..... Same Result.
Apple Diagnostics ***ONLY*** says the battery needs service (Irrelevant to issue)
Obviously the board is suddenly not finding the SSD - Was OK the last time tested. What lines do I need to check on the board 820-3115 EMC 2554.
Baffled.