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MacBook Pro 15" Unibody Late 2011 Battery Replacement

Giriş

Use this guide to replace a worn-out battery. If your battery is swollen, take appropriate precautions.

Neye ihtiyacın var

  1. MacBook Pro 15" Unibody Late 2011 Battery Replacement, Lower Case: adım 1, 1 resimden 1.

    • Remove the following ten screws securing the lower case to the upper case:

    • Three 13.5 mm (14.1 mm) Phillips screws.

    • Seven 3 mm Phillips screws.

    • When removing these screws, note how they come out at a slight angle. They must be reinstalled the same way.

    Düzenle

  2. MacBook Pro 15" Unibody Late 2011 Battery Replacement: adım 2, 1 resimden 1.

    • Using both hands, lift the lower case near the vent to pop it off two clips securing it to the upper case.

    • Remove the lower case and set it aside.

    Düzenle

  3. MacBook Pro 15" Unibody Late 2011 Battery Replacement, Battery Connector: adım 3, 2 resimden 1. MacBook Pro 15" Unibody Late 2011 Battery Replacement, Battery Connector: adım 3, 2 resimden 2.

    • For certain repairs (e.g. hard drive), disconnecting the battery connector is not necessary but is recommended as it prevents any accidental shorting of electronics on the motherboard. If you do not disconnect the battery connector, please be careful as parts of the motherboard might be electrified.

    • Use the edge of a spudger to pry the battery connector upwards from its socket on the logic board.

    • It is useful to pry upward on both short sides of the connector to "walk" it out of its socket.

    Düzenle

  5. MacBook Pro 15" Unibody Late 2011 Battery Replacement: adım 4, 1 resimden 1.

    • Bend the battery cable slightly away from its socket on the logic board so it does not accidentally connect itself while you work.

    Düzenle

  6. MacBook Pro 15" Unibody Late 2011 Battery Replacement, Battery: adım 5, 1 resimden 1.

    • Remove the two 7.4 mm Tri-point screws securing the battery to the upper case.

    Düzenle

  7. MacBook Pro 15" Unibody Late 2011 Battery Replacement: adım 6, 1 resimden 1.

    • Carefully peel the battery warning label rounded end (the one without glue) off the upper case between the battery and the optical drive to reveal an additional Tri-point screw.

    • Remove the last 7.4 mm Y0 Tri-point screw securing the battery to the upper case.

    • Do not remove the label from the battery.

    Düzenle

  8. MacBook Pro 15" Unibody Late 2011 Battery Replacement: adım 7, 1 resimden 1.

    • Use the attached plastic pull tab to remove the battery from the upper case.

    • If you're installing a new battery, you should calibrate it after installation:

    • Charge it to 100%, and then keep charging it for at least 2 more hours. Next, unplug and use it normally to drain the battery. When you see the low battery warning, save your work, and keep your laptop on until it goes to sleep due to low battery. Wait at least 5 hours, then charge your laptop uninterrupted to 100%.

    • If you notice any unusual behavior or problems after installing your new battery, you may need to reset your MacBook's SMC.

    Düzenle
Sonuç

To reassemble your device, follow these instructions in reverse order.

135 farklı kişi bu kılavuzu tamamladı.

5Kılavuz Yorumları

It would be nice if you provided a Y1 tri wing bit with the replacement battery you sell.

geoffbowen - Yanıt

My battery had swelled, making the triblade screws extra tight. Other than that - silky smooth guide.

Andrew Kegel - Yanıt

Great guide. Battery came out smoothly and new battery installed without issue. However, the battery I purchased here only lasted 3 months. I completed all the recommended steps to reset SMC and NVRAM but the battery now only lasts 10 minutes off the charger. Thankfully I kept my original battery and placed it back in the MBP and I’m now attempting to return the battery despite being out of the 30 day return period.

kahlichj - Yanıt

Not sure why this is rated moderately difficult. It’s a pretty easy job.

santamaria - Yanıt

I successfully replaced the battery, calibrated it, and worked fine for 4 charge cycles…..after this the battery just went dead!

The reported “battery condition” in the system Report says: “Replace now”…(!!!??).

Battery indicator in the desktop screen reports 100% charged, but system report states battery fully charged but with amperage (mA): 0

I tried to reset the SMC as per Apple’s website instructions for this MacBook Pro (15” late 2011). It did not resolve the problem either.

Was this a defective battery?

Luis Gimenez - Yanıt

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