972      小米  小米5

Speaker volume does not go up.

MacbookAir (early 2015) Speaker volume does not go up. However when time is announced every hour it is quite loud. I did an online hardware test. No malfunction detected. The problem continues. Any ideas?

Hi,

Try resetting the NVRAM: https://support.apple.com/en-us/HT204063.

Try resetting the SMC: https://support.apple.com/en-us/HT201295.

最後更新：2017-09-08 18:06:19

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