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你所需要的
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在这个步骤中使用的工具:iMac Intel 21.5" Cardboard Service Wedge$4.99
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在开始你的iMac的任何维修操作之前:拔掉电源线,按住电源按钮至少十秒钟,以释放电源的电容器。
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这个步骤还没有翻译 帮忙翻译一下
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Handling the board by the edges, flip the logic board over to access the PRAM battery.
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On the side between the two plastic nubs (opposite the spring contact), gently slide an opening pick in between the battery socket wall and the battery.
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Use the opening pick to slide the battery away from the two plastic nubs.
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Once the battery's edge clears the two nubs, use the opening pick to tilt the battery up out of its socket.
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3等其他人完成本指南。