How to check MacBook battery health?

I believed most of the MacBook user do not know that MacBook battery life span is counted in the form of charge cycles.

Example: Every time you charge your Mac battery to 100%, it will count as  a charge cycle. This cycle also can be split across days, such as 20% on Monday and 80% on Tuesday equals one cycle. Once a battery reaches its maximum charge cycle count,following symptoms will be happened:-

  • Your battery isn’t charging
  • Battery won’t charge to 100%
  • Mac battery runtime is low

Question: How to check my MacBook battery charge cycles?

Answer: If your Mac OS is version 10.12 and above, Select “About this Mac” from the Apple Menu. Click System Report. After that, click Power in the Contents list

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Mac OS X 10.9 – Wi-Fi : No hardware installed

I have updated My MacBook Pro to Mac OS X Mavericks.  Initially it working fine. After few week, i noticed that the WiFi wouldn’t work. When i clicked the wireless icon, it show the error Wi-Fi : No hardware installed.

Wi-fi No Hardware installed

To solve this problem, i tried to reset the System Management Controller (SMC) by removing the battery. Below are the steps:- Continue reading