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Released in May 2020, the 13" MacBook Pro features quad-core Intel 10th generation Core i5 and i7 processors, and Intel Iris Plus integrated graphics. (Model A2251/EMC3348 with four Thunderbolt 3 ports)

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After screen replacement battery not showing or charging

So after replacing my screen, my macbook does not work without the charge cable, en booting or even opening Safari takes like 10 minutes.

Loud fan noises everything is laggy i can't even do a cmd + R cause booting causes like 10 minutes.

Before the screen everything was charging fine and working perfect, but now i can even work with it.

Anyone knows what the isseu is here?

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Did you check the connections did you not get the connections properly set?

How about running the onboard diagnostics to see what it tells you. Restart your system and press the D key

Reference: Mac startup key combinations

Lastly, let’s get a better view of things, install this gem of an app! CoconutBattery take a snapshot of the apps main window and post it here for us to see Adding images to an existing question


The connections are good, I am now trying the D key so its recovering. I keep you posted!

Thanks a lot for the quick answer!


@danj Update: after pressing D and waiting like 10 minutes is chosen my WIFI and after password it kept loading for 4 hours en now i forced it to stop. So no succes even with the online recovery its horrible slow and laggy and loud fan noises.


@dannydog - Sorry to hear that, Not sure why your system would do that. Are you able to get CoconutBattery working? If you can get that running a post a snapshot of it that might offer a clue.

You could try installing this great App TG Pro it will show you the sensors (including the batteries) If you get the full version it offers a bit more info.


@danj Just updated my question, after 4 hours struggling to install tg pro these are the results.


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Well! Your system doesn’t have a battery (or TG Pro is not seeing it) This points to a cable issue between the battery and the SMC control logic within the main logic board.

There is a small ribbon data cable which I suspect is damaged or the connector is. Review Step 9 & 10 in this guide MacBook Pro 13" Four Thunderbolt Ports 2020 Battery Replacement. Note the little compression latch which needs to be lifted to release the cable and needs to be press back down (requires very little pressure for either direction) Double check the ribbon cable is properly secured and not damaged.

The GPU and drive errors are linked to the battery problem. Until we get the battery issue fixed we can’t address them.

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@danj understood, ro be honest the flex cable does not look verry well, see my question i think you found the problem. I will order a new flex cable and see where i will go.


@danj i wiped my macbook with icloud, now its stuck booting, i only see the apple logo even cmd + R does not work, online repair gives me an error after choosing my Wifi, cmd + S does not work.

How can i fix this issue?


@dannydog - I'm not following you. iCloud has no bearing on formatting (wiping) your drive. Time to visit someone local who can help you hear.


Hi @danj, i wanted to wipe my OS, but with CMD + R it did not work, so i wiped the whole macbook by icloud "find my device" after i did this its stuck at the apple logo.


@dannydog - So you pressed the PANIC Button! The reason for that option is to prevent anyone access to your data.

You'll need to speak with Apple on how to recover from this condition. You may have made things unrecoverable if your system wasn't responding to the normal process.

But why did you think you needed to do this? Switching the battery would not have needed this.


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Danny Dog will be eternally grateful.
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