Erratic fan behavior even after replacement?

Question 1

1 crwdns2930801:0crwdne2930801:0

crwdns2934195:0crwdne2934195:0 MacBook Pro 15" Touch Bar 2018 crwdns2933313:01crwdne2933313:0

Minju Ho

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Dzi 7, 2025

commented Dzi 7, 2025 crwdns2933505:0crwdne2933505:0 Minju Ho

Question 2

1 crwdns2930801:0crwdne2930801:0

What replacement chips/diodes do I need?

MacBook Pro 15" Touch Bar 2018 crwdns2933313:01crwdne2933313:0

Dean Alderton 13

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Dzi 1, 2025

commented Dzi 1, 2025 crwdns2933505:0crwdne2933505:0 Dean Alderton

Question 3

1 crwdns2930801:0crwdne2930801:0

Will not Power On

crwdns2934195:0crwdne2934195:0 MacBook Pro 15" Touch Bar 2018 crwdns2933313:01crwdne2933313:0

Dan 490.2crwdns2936485:0crwdne2936485:0

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Kul 22, 2025

answer accepted Kul 22, 2025 crwdns2933505:0crwdne2933505:0 Dan

Question 4

1 crwdns2930801:0crwdne2930801:0

Not charging- bad motherboard or USB C port replacement?

MacBook Pro 15" Touch Bar 2018 crwdns2933313:01crwdne2933313:0

oldturkey03 815.4crwdns2936485:0crwdne2936485:0

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Yan 18, 2025

commented Yan 18, 2025 crwdns2933505:0crwdne2933505:0 oldturkey03

Question 5

1 crwdns2930801:0crwdne2930801:0

After changing the battery my MacBook Pro won't boot up

MacBook Pro 15" Touch Bar 2018 crwdns2933313:01crwdne2933313:0

Dan 490.2crwdns2936485:0crwdne2936485:0

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Sun 20, 2025

commented Sun 20, 2025 crwdns2933505:0crwdne2933505:0 Dan

Question 6

1 crwdns2930801:0crwdne2930801:0

My screen went black after installing new battery

crwdns2934195:0crwdne2934195:0 MacBook Pro 15" Touch Bar 2018 crwdns2933313:01crwdne2933313:0

JEFFLCJ1 11

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N'w 3, 2024

answer accepted N'w 3, 2024 crwdns2933505:0crwdne2933505:0 JEFFLCJ1

Question 7

1 crwdns2930801:0crwdne2930801:0

Right fan 0 RPM, but spinning minimum speed

MacBook Pro 15" Touch Bar 2018 crwdns2933313:01crwdne2933313:0

Dan 490.2crwdns2936485:0crwdne2936485:0

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N'w 1, 2024

commented N'w 1, 2024 crwdns2933505:0crwdne2933505:0 Dan

Question 8

1 crwdns2930801:0crwdne2930801:0

MacBook isn't indicating that it's charging after battery replacement

MacBook Pro 15" Touch Bar 2018 crwdns2933313:01crwdne2933313:0

oldturkey03 815.4crwdns2936485:0crwdne2936485:0

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Huk 22, 2024

commented Huk 22, 2024 crwdns2933505:0crwdne2933505:0 oldturkey03

Question 9

1 crwdns2930801:0crwdne2930801:0

MBP 15 2018 A1990 Water damage Repair

MacBook Pro 15" Touch Bar 2018 crwdns2933313:01crwdne2933313:0

Dan 490.2crwdns2936485:0crwdne2936485:0

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Nhl 21, 2024

commented Nhl 21, 2024 crwdns2933505:0crwdne2933505:0 Dan

Question 10

1 crwdns2930801:0crwdne2930801:0

What are these MLB parts and how to remove corrosion?

crwdns2934195:0crwdne2934195:0 MacBook Pro 15" Touch Bar 2018 crwdns2933313:01crwdne2933313:0

oldturkey03 815.4crwdns2936485:0crwdne2936485:0

crwdns2931741:0crwdne2931741:0

Nhl 4, 2024

commented Nhl 4, 2024 crwdns2933505:0crwdne2933505:0 oldturkey03

Question 11

2 crwdns2873741:0crwdne2873741:0

Multimeter - low battery voltage, dead laptop

crwdns2934195:0crwdne2934195:0 MacBook Pro 15" Touch Bar 2018 crwdns2933315:02crwdne2933315:0

Wondy

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Ndz 17, 2024

commented Ndz 17, 2024 crwdns2933505:0crwdne2933505:0 Wondy

Question 12

1 crwdns2930801:0crwdne2930801:0

Yellowish Box on the Screen Display after Water Damage

MacBook Pro 15" Touch Bar 2018 crwdns2933313:01crwdne2933313:0

Dan 490.2crwdns2936485:0crwdne2936485:0

crwdns2931217:0crwdne2931217:0

Mha 15, 2024

answered Mha 15, 2024 crwdns2933505:0crwdne2933505:0 Dan

Question 13

2 crwdns2873741:0crwdne2873741:0

MacBook doesnt turn on but touchpad can click in cycle of 20+ seconds

MacBook Pro 15" Touch Bar 2018 crwdns2933315:02crwdne2933315:0

Dan 490.2crwdns2936485:0crwdne2936485:0

crwdns2931737:0crwdne2931737:0

Maw 16, 2024

answer edited Maw 16, 2024 crwdns2933505:0crwdne2933505:0 Dan

Question 14

2 crwdns2873741:0crwdne2873741:0

Will replacing my battery help battery life?

crwdns2934195:0crwdne2934195:0 MacBook Pro 15" Touch Bar 2018 crwdns2933315:02crwdne2933315:0

Reinhardt 11

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Maw 10, 2024

commented Maw 10, 2024 crwdns2933505:0crwdne2933505:0 Reinhardt

Question 15

3 crwdns2873741:0crwdne2873741:0

Motherboard swap to new locked MacBook.

crwdns2934195:0crwdne2934195:0 MacBook Pro 15" Touch Bar 2018 crwdns2933315:03crwdne2933315:0

Clément

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Maw 8, 2024

answered Maw 8, 2024 crwdns2933505:0crwdne2933505:0 Clément

Question 16

1 crwdns2930801:0crwdne2930801:0

Is fingerprint sensor "tied" with the original logic board?

crwdns2934195:0crwdne2934195:0 MacBook Pro 15" Touch Bar 2018 crwdns2933313:01crwdne2933313:0

Tom 319

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Maw 3, 2024

answer accepted Maw 3, 2024 crwdns2933505:0crwdne2933505:0 Tom

Question 17

1 crwdns2930801:0crwdne2930801:0

Why does the battery drain so fast?

crwdns2934195:0crwdne2934195:0 MacBook Pro 15" Touch Bar 2018 crwdns2933313:01crwdne2933313:0

LiangC 11

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Maw 3, 2024

answer accepted Maw 3, 2024 crwdns2933505:0crwdne2933505:0 LiangC

Question 18

2 crwdns2873741:0crwdne2873741:0

What could be wrong if "internet recovery" won't go through?

MacBook Pro 15" Touch Bar 2018 crwdns2933315:02crwdne2933315:0

Tom 319

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Kho 24, 2024

commented Kho 24, 2024 crwdns2933505:0crwdne2933505:0 Tom

Question 19

1 crwdns2930801:0crwdne2930801:0

Need help diagnosing display issues

crwdns2934195:0crwdne2934195:0 MacBook Pro 15" Touch Bar 2018 crwdns2933313:01crwdne2933313:0

Tanya Robinson 11

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Kho 20, 2024

answer accepted Kho 20, 2024 crwdns2933505:0crwdne2933505:0 Tanya Robinson

Question 20

1 crwdns2930801:0crwdne2930801:0

Trackpad sometimes doesnt work

MacBook Pro 15" Touch Bar 2018 crwdns2933313:01crwdne2933313:0

RipperDoc 290

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Kho 4, 2024

commented Kho 4, 2024 crwdns2933505:0crwdne2933505:0 RipperDoc

crwdns2944620:0MacBook Pro 15" Touch Bar 2018crwdne2944620:0

MacBook Pro 15" Touch Bar 2018 crwdns2934277:0crwdne2934277:0