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住處的電腦是 iMac，附有 SD 讀卡槽。長久以來一直遇到一個奇怪的問題，每次插入 SD 卡時都是唯讀模式。今天為了升級數位相機韌體，需要把檔案複製到 SD 卡內，所以搜尋了一下這個問題。最終是找到解法，不過總覺得哪裡怪怪的。:/
OK, so I have found a solution. For me anyway. The “lock” switch on SD cards can be in either locked or unlocked position. OR, you can actually slide it part way between. It appears as though the sensor on my MacBook Pro is faulty and if I slide the “lock” switch on the card half way between locked and unlocked then the card is read-write mode.
If the switch is in either the fully “locked” or fully “unlocked” position the card will show up as read-only!
I will probably go to Apple and get it fixed.
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