IFixit battery replacement not recognized. Ribbon cable issue?

Question 1

1 crwdns2930801:0crwdne2930801:0

MacBook Pro 16" 2019 crwdns2933313:01crwdne2933313:0

livfe 7,3crwdns2936485:0crwdne2936485:0

crwdns2931741:0crwdne2931741:0

masiku 3 agoMud 21, 2026

commented masiku 3 agoMud 21, 2026 crwdns2933505:0crwdne2933505:0 livfe

Question 2

1 crwdns2930801:0crwdne2930801:0

Why is it failing to upgrade macOS Tahoe 26

MacBook Pro 16" 2019 crwdns2933313:01crwdne2933313:0

DanJ 500,1crwdns2936485:0crwdne2936485:0

crwdns2931217:0crwdne2931217:0

Dzi 29, 2026

answered Dzi 29, 2026 crwdns2933505:0crwdne2933505:0 DanJ

Question 3

1 crwdns2930801:0crwdne2930801:0

I changed display: computer lags, fans roar, battery status is missing

MacBook Pro 16" 2019 crwdns2933313:01crwdne2933313:0

Oleksandr G

crwdns2942987:0crwdne2942987:0

Dzi 30, 2026

edited by author Dzi 30, 2026 crwdns2933505:0crwdne2933505:0 Oleksandr G

Question 4

0 crwdns2873741:0crwdne2873741:0

The battery is not working after replacing the entire C-cover assembly

crwdns2934197:0crwdne2934197:0 MacBook Pro 16" 2021 crwdns2933315:00crwdne2933315:0

DanJ 500,1crwdns2936485:0crwdne2936485:0

crwdns2931741:0crwdne2931741:0

Dzi 26, 2026

commented Dzi 26, 2026 crwdns2933505:0crwdne2933505:0 DanJ

Question 5

1 crwdns2930801:0crwdne2930801:0

Battery Terminal & Data PORT. On my MacBook Pro 16” M1 Max

crwdns2934195:0crwdne2934195:0 MacBook Pro 16" 2021 crwdns2933313:01crwdne2933313:0

Edward Nyandwi 11

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Dzi 27, 2026

answer accepted Dzi 27, 2026 crwdns2933505:0crwdne2933505:0 Edward Nyandwi

Question 6

2 crwdns2873741:0crwdne2873741:0

2 New screens tried both showing the same problem

MacBook Pro 16" 2021 crwdns2933315:02crwdne2933315:0

DanJ 500,1crwdns2936485:0crwdne2936485:0

crwdns2931741:0crwdne2931741:0

Dzi 15, 2026

commented Dzi 15, 2026 crwdns2933505:0crwdne2933505:0 DanJ

Question 7

1 crwdns2930801:0crwdne2930801:0

Keyboard is not working and fans max rpm BUT trackpad works

MacBook Pro 16" 2019 crwdns2933313:01crwdne2933313:0

TL75

crwdns2931741:0crwdne2931741:0

Dzi 8, 2026

commented Dzi 8, 2026 crwdns2933505:0crwdne2933505:0 TL75

Question 8

2 crwdns2873741:0crwdne2873741:0

MacBook Pro battery flex cable connector broke off

MacBook Pro 16" 2019 crwdns2933315:02crwdne2933315:0

DanJ 500,1crwdns2936485:0crwdne2936485:0

crwdns2931741:0crwdne2931741:0

Dzi 26, 2026

commented Dzi 26, 2026 crwdns2933505:0crwdne2933505:0 DanJ

Question 9

3 crwdns2873741:0crwdne2873741:0

Repeated Kernel Panic when using Chrome (or Chromium APPs) not Safari

MacBook Pro 16" 2019 crwdns2933315:03crwdne2933315:0

Arnold Gao

crwdns2931217:0crwdne2931217:0

Dzi 29, 2026

answered Dzi 29, 2026 crwdns2933505:0crwdne2933505:0 Arnold Gao

Question 10

2 crwdns2873741:0crwdne2873741:0

Slightly wonky key - M1 MacBook

MacBook Pro 16" crwdns2933315:02crwdne2933315:0

Havyn K. 229

crwdns2931741:0crwdne2931741:0

Kul 15, 2026

commented Kul 15, 2026 crwdns2933505:0crwdne2933505:0 Havyn K.

Question 11

1 crwdns2930801:0crwdne2930801:0

Dark pulsing spot after installing used MacBook Pro screen

MacBook Pro 16" 2019 crwdns2933313:01crwdne2933313:0

DanJ 500,1crwdns2936485:0crwdne2936485:0

crwdns2931737:0crwdne2931737:0

Kul 11, 2026

answer edited Kul 11, 2026 crwdns2933505:0crwdne2933505:0 DanJ

Question 12

1 crwdns2930801:0crwdne2930801:0

Request for Assistance – Mac Battery Board Data Cable Connector Repair

crwdns2934195:0crwdne2934195:0 MacBook Pro 16" 2019 crwdns2933313:01crwdne2933313:0

mahes waran 11

crwdns2931741:0crwdne2931741:0

Kul 12, 2026

commented Kul 12, 2026 crwdns2933505:0crwdne2933505:0 mahes waran

Question 13

2 crwdns2873741:0crwdne2873741:0

iFixit Battery Performance Issues after updating to Tahoe OS?

MacBook Pro 16" 2019 crwdns2933315:02crwdne2933315:0

Rich W

crwdns2931741:0crwdne2931741:0

Yan 25, 2026

commented Yan 25, 2026 crwdns2933505:0crwdne2933505:0 Rich W

Question 14

2 crwdns2873741:0crwdne2873741:0

A2141 Diagnosing strange random crashes

MacBook Pro 16" 2019 crwdns2933315:02crwdne2933315:0

Allan Binderup

crwdns2942987:0crwdne2942987:0

Yan 19, 2026

edited by author Yan 19, 2026 crwdns2933505:0crwdne2933505:0 Allan Binderup

Question 15

2 crwdns2873741:0crwdne2873741:0

M1 Max MacBook Pro 16" screen goes black randomly.

MacBook Pro 16" 2021 crwdns2933315:02crwdne2933315:0

efu 13

crwdns2931741:0crwdne2931741:0

Yan 6, 2026

commented Yan 6, 2026 crwdns2933505:0crwdne2933505:0 efu

Question 16

2 crwdns2873741:0crwdne2873741:0

After replacing the battery, my computer does not work.

MacBook Pro 16" 2019 crwdns2933315:02crwdne2933315:0

livfe 7,3crwdns2936485:0crwdne2936485:0

crwdns2931741:0crwdne2931741:0

Yan 6, 2026

commented Yan 6, 2026 crwdns2933505:0crwdne2933505:0 livfe

Question 17

1 crwdns2930801:0crwdne2930801:0

MBP M1 16” 2021 A2485 screen?

crwdns2934195:0crwdne2934195:0 MacBook Pro 16" 2021 crwdns2933313:01crwdne2933313:0

LingeringWaft 23

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Yan 7, 2026

commented Yan 7, 2026 crwdns2933505:0crwdne2933505:0 LingeringWaft

Question 18

4 crwdns2873741:0crwdne2873741:0

Changing A2780 motherboard and touch id into A2485

MacBook Pro 16" 2021 crwdns2933315:04crwdne2933315:0

DanJ 500,1crwdns2936485:0crwdne2936485:0

crwdns2931741:0crwdne2931741:0

Sun 26, 2026

commented Sun 26, 2026 crwdns2933505:0crwdne2933505:0 DanJ

Question 19

2 crwdns2873741:0crwdne2873741:0

Screen broken - how do I replace it?

MacBook Pro 16" 2021 crwdns2933315:02crwdne2933315:0

livfe 7,3crwdns2936485:0crwdne2936485:0

crwdns2931741:0crwdne2931741:0

N'w 10, 2025

commented N'w 10, 2025 crwdns2933505:0crwdne2933505:0 livfe

Question 20

1 crwdns2930801:0crwdne2930801:0

Trackpad Flex Retention Screw Standoffs Torn Off the Logic Board

MacBook Pro 16" 2019 crwdns2933313:01crwdne2933313:0

DanJ 500,1crwdns2936485:0crwdne2936485:0

crwdns2931217:0crwdne2931217:0

N'w 9, 2025

answered N'w 9, 2025 crwdns2933505:0crwdne2933505:0 DanJ

crwdns2944620:0MacBook Pro 16"crwdne2944620:0

MacBook Pro 16" crwdns2944634:0crwdne2944634:0