Use a DMM (digital multimeter) to check if the Power On/Off switch is electrically OK i.e. it may appear to be working OK mechanically, but this doesn't mean that it's working OK electrically.
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Given that the dent is near the Power switch, use a DMM (digital multimeter) to check if the Power On/Off switch is electrically OK and its connection to the board also
Here's the ifixit [guide|176320] guide that will help to access the power button.
Hi @roted
Use a DMM (digital multimeter) to check if the Power On/Off switch is electrically OK i.e. it may appear to be working OK mechanically, but this doesn't mean that it's working OK electrically.
Here's the ifixit [guide|176320] guide that will help to access the power button.