## Fixing Battery Drain on MacBook Air After a Drop
If your MacBook Air’s battery is draining fast after a drop, the issue is likely related to the battery’s internal connections or the system’s power management. To fix the problem, you’ll need to **reset the System Management Controller (SMC) and the Power Management Unit (PMU)**, and then **calibrate the battery**.
## Step-by-Step Guide
1. **Reset the SMC**: Shut down your MacBook Air, locate the following keys: Power button, Command (⌘) + Option (⌥) + Shift (⇧) + Power. Press and hold these keys while powering on your MacBook Air. Hold them for 10 seconds, then release. This will reset the SMC.
2. **Reset the PMU**: Disconnect the power cord and any other cables from your MacBook Air. Press and hold the Power button for 5 seconds. Release the Power button, then press and hold it again to turn on your MacBook Air.
3. **Calibrate the Battery**: Charge your MacBook Air to 100%. Keep it charged for at least 2 hours. Then, unplug the power cord and let the battery discharge to 0%. Leave it turned off for at least 5 hours. After that, charge it to 100% again.
4. **Update Your MacBook Air’s Software**: Make sure your operating system and all apps are up-to-date, as newer versions often include bug fixes and performance improvements.
5. **Check for Loose Connections**: Inspect your MacBook Air’s battery and charging port for any damage or loose connections. If you find any issues, consider visiting an Apple Store or authorized repair center.
## Frequently Asked Questions
* **Q: Will resetting the SMC and PMU erase my data?** A: No, resetting the SMC and PMU will not erase your data.
* **Q: Can I fix the battery issue myself if I’m not tech-savvy?** A: While the steps are straightforward, if you’re not comfortable with the process, it’s recommended to visit an Apple Store or authorized repair center.
* **Q: How long does it take to calibrate the battery?** A: The calibration process can take around 12-14 hours, including the time it takes to discharge and recharge the battery.
* **Q: Will dropping my MacBook Air always cause battery drain issues?** A: Not always, but it can increase the likelihood of battery problems. If you’ve dropped your MacBook Air and are experiencing battery drain issues, it’s essential to address the problem as soon as possible.
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