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Error PPM002 points to a memory (RAM) issue. See Apple Diagnostics: Reference codes for more info.

That appears to be a memory issue. First thing would be to make sure both memory modules are properly seated. Sometimes the memory latches on either side can ...

It is indeed a hardware issue. We can try PRAM and SMC reset and see if it helps.First, reset the System Management Controller of your Mac.

送回Apple維修中心. PPF001. PPF003. PPF004. 風扇可能有問題. 送回Apple維修中心. PPM001. 記憶體模組可能有問題. 送回Apple維修中心. PPM002. PPM003.

Often times I find the issue is a cold solder joint. Using a rework hot air station and some flux I've recovered quite a few boards. The root ...

Anyone successfully recover a MBP With PPM002 error? im loathed to bin a machine that loads Repair tools but fails seconds from completing ...

用mac自带的检测方式，即在开机后按住Q 键来让电脑进行硬件自检，得到存储器模块可能问题的字样，参考码为PPM002。猜测可能是硬盘问题或者RAM问题 ...

开启Mac，并在Mac 启动时继续按住电源按钮。 ... 联系Apple，或者携带电脑前往Apple 授权服务提供商处或Apple Store 零售店，以确定有哪些可用的服务和支持选项。 PPM002

有很多也遇過PPM002錯誤代碼的網友表示，他們先暫時換掉原有的Apple原廠配備DRAM、以第三方廠商的模組升級Mac電腦記憶體，之後就能解決問題並順利完成OS升級 ...

问题一： 合上盖子然后再打开，屏幕不会主动被唤醒，必须点一下开机键才行。要按下去的那种。 问题二： 退出所有程序，合上盖子一夜下来能耗我50%的电量左右，我 ...