Half the house has no power and no breaker is tripped
Power reaches your panel on two legs, and half the house goes dark when one leg dies. Every breaker looks fine because nothing tripped, the feed itself is gone. Lights that flicker, dim, surge bright or buzz while half the house is dead point at a loose neutral, and that is the version that damages appliances, so shut the main off and call an electrician the same day. Nothing here is a homeowner repair, because the incoming wires stay live with your main breaker off.
Read the full guideService entrance cable is cracked and the meter has been pulled
A cracked service entrance cable is not a homeowner repair, and no tape or patch will pass an inspection. That cable stays live on the utility side even with your main breaker off, so leave it alone and call a licensed electrician. The electrician pulls a permit, replaces the cable, and a building inspector signs the work off. Only then does the utility reinstall your meter and turn the power back on.
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