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

Question 1

1 crwdns2930801:0crwdne2930801:0

MacBook Pro 16" 2019 crwdns2933313:01crwdne2933313:0

Oleksandr G

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tiawara ta 1 agoDzi 30, 2026

edited by author tiawara ta 1 agoDzi 30, 2026 crwdns2933505:0crwdne2933505:0 Oleksandr G

Question 2

3 crwdns2873741:0crwdne2873741:0

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

MacBook Pro 16" 2019 crwdns2933315:03crwdne2933315:0

Arnold Gao

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tiawara ta 13 agoDzi 29, 2026

answered tiawara ta 13 agoDzi 29, 2026 crwdns2933505:0crwdne2933505:0 Arnold Gao

Question 3

1 crwdns2930801:0crwdne2930801:0

Why is it failing to upgrade macOS Tahoe 26

MacBook Pro 16" 2019 crwdns2933313:01crwdne2933313:0

DanJ 499.4crwdns2936485:0crwdne2936485:0

crwdns2931217:0crwdne2931217:0

tiawara ta 18 agoDzi 29, 2026

answered tiawara ta 18 agoDzi 29, 2026 crwdns2933505:0crwdne2933505:0 DanJ

Question 4

2 crwdns2873741:0crwdne2873741:0

MacBook Pro battery flex cable connector broke off

MacBook Pro 16" 2019 crwdns2933315:02crwdne2933315:0

DanJ 499.4crwdns2936485:0crwdne2936485:0

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masiku 4 agoDzi 26, 2026

commented masiku 4 agoDzi 26, 2026 crwdns2933505:0crwdne2933505:0 DanJ

Question 5

6 crwdns2873741:0crwdne2873741:0

Torn Lid angle sensor

crwdns2934195:0crwdne2934195:0 MacBook Pro 16" 2019 crwdns2933315:06crwdne2933315:0

Soda popinksi

crwdns2931217:0crwdne2931217:0

Dzi 22, 2026

answered Dzi 22, 2026 crwdns2933505:0crwdne2933505:0 Soda popinksi

Question 6

12 crwdns2873741:0crwdne2873741:0

Camera and keyboard backlight not working

MacBook Pro 16" 2019 crwdns2933315:012crwdne2933315:0

@petermacdoctor

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Dzi 20, 2026

answered Dzi 20, 2026 crwdns2933505:0crwdne2933505:0 @petermacdoctor

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

The keyboard backlight is not working

crwdns2934195:0crwdne2934195:0 MacBook Pro 16" 2019 crwdns2933315:02crwdne2933315:0

Gams

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Kul 19, 2026

commented Kul 19, 2026 crwdns2933505:0crwdne2933505:0 Gams

Question 9

1 crwdns2930801:0crwdne2930801:0

TRUE or FALSE - Does the MBP 16'' vent out heat from the keyboard?

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

DanJ 499.4crwdns2936485:0crwdne2936485:0

crwdns2942989:0crwdne2942989:0

Kul 18, 2026

answer accepted Kul 18, 2026 crwdns2933505:0crwdne2933505:0 DanJ

Question 10

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 11

1 crwdns2930801:0crwdne2930801:0

Dark pulsing spot after installing used MacBook Pro screen

MacBook Pro 16" 2019 crwdns2933313:01crwdne2933313:0

DanJ 499.4crwdns2936485:0crwdne2936485:0

crwdns2931737:0crwdne2931737:0

Kul 11, 2026

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

Question 12

3 crwdns2873741:0crwdne2873741:0

Lagging when its on battery but works better connected to power

MacBook Pro 16" 2019 crwdns2933315:03crwdne2933315:0

DanJ 499.4crwdns2936485:0crwdne2936485:0

crwdns2931741:0crwdne2931741:0

Kul 7, 2026

commented Kul 7, 2026 crwdns2933505:0crwdne2933505:0 DanJ

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

3 crwdns2873741:0crwdne2873741:0

Replace the thermal grease/paste

crwdns2934195:0crwdne2934195:0 MacBook Pro 16" 2019 crwdns2933315:03crwdne2933315:0

Aivaras Krupauskas

crwdns2931741:0crwdne2931741:0

Yan 14, 2026

commented Yan 14, 2026 crwdns2933505:0crwdne2933505:0 Aivaras Krupauskas

Question 16

2 crwdns2873741:0crwdne2873741:0

After replacing the battery, my computer does not work.

MacBook Pro 16" 2019 crwdns2933315:02crwdne2933315:0

livfe 7.1crwdns2936485:0crwdne2936485:0

crwdns2931741:0crwdne2931741:0

Yan 6, 2026

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

Question 17

1 crwdns2930801:0crwdne2930801:0

MacBook does not enter safe sleep after battery replacement.

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

jimmysofat6864 309

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Sun 14, 2026

edited by author Sun 14, 2026 crwdns2933505:0crwdne2933505:0 jimmysofat6864

Question 18

1 crwdns2930801:0crwdne2930801:0

Trackpad Flex Retention Screw Standoffs Torn Off the Logic Board

MacBook Pro 16" 2019 crwdns2933313:01crwdne2933313:0

DanJ 499.4crwdns2936485:0crwdne2936485:0

crwdns2931217:0crwdne2931217:0

N'w 9, 2025

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

Question 19

1 crwdns2930801:0crwdne2930801:0

Stuck in DFU mode

MacBook Pro 16" 2019 crwdns2933313:01crwdne2933313:0

DanJ 499.4crwdns2936485:0crwdne2936485:0

crwdns2931741:0crwdne2931741:0

N'w 8, 2025

commented N'w 8, 2025 crwdns2933505:0crwdne2933505:0 DanJ

Question 20

1 crwdns2930801:0crwdne2930801:0

Weird: Battery won’t charge

MacBook Pro 16" 2019 crwdns2933313:01crwdne2933313:0

DanJ 499.4crwdns2936485:0crwdne2936485:0

crwdns2931741:0crwdne2931741:0

Huk 26, 2025

commented Huk 26, 2025 crwdns2933505:0crwdne2933505:0 DanJ

crwdns2944620:0MacBook Pro 16" 2019crwdne2944620:0

MacBook Pro 16" 2019 crwdns2934277:0crwdne2934277:0