" Serial Number got changed: Recently I had an issue with my Mac book air and i showed in apple authorised service centre and they said that there is an issue with Motherboard and you have to replace it."įor Thought: Perhaps there is Security Software and/or Malware Installed? The Apple tool service providers use to flash the serial number can only be used on a Logic Board with no existing serial number.
If this is the case, then take it back so Apple or the AASP can replace the Logic Board again and enter the correct serial number this time. If the repair was performed by Apple or an Apple Authorized Service Provider, then perhaps they mis-typed the serial number when replacing the Logic Board. Does it show the exact same model number as before the repair? Is the CPU and memory the same as before the repair? Enter your laptop's original serial number found on the bottom case on this page and compare the information to what is shown on "About this Mac". Check "About this Mac" by clicking on the Apple menu. If the shop mixed up Logic Boards, then it doesn't inspire confidence in their procedures. If the repair shop was going to replace the Logic Board, they should have warned you about the different serial number. If you used a non-Apple service provider to repair the laptop, then it sounds like they either replaced the whole Logic Board or they mixed up Logic Boards with another computer.
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