また起動するようになった(mac mini)

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動作が不安定です。openfirmwareからのブートなどいろいろ試してみましたが
起動せず。どうやら光学ドライブも認識してないらしいので、物理的に問題な
ところがあるはずなんですが、、、
しかたなくmac miniの蓋を開けいろいろのぞいてみても何もなし、露出してい
る状態でスイッチを押したら起動しました。

え？

うーんあまりにも不安定過ぎます

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