Why does my Akai MPK mini shut off after 1 minute plugged into my computer with a USB?

Why does my Akai MPK mini shut off after 1 minute plugged into my computer with a USB? I plugged it into my computer with a USB and opened it up with a software but then after 1 minute, it just shuts off and the On/Off button just flickers, but i cant turn it on unless it is fully lit up.

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