The answer to 'how to repair ridge vent' is to first inspect the ridge vent for any cracks, holes, or loose connections. If the vent is damaged, you'll need to replace it. Start by removing the old vent, then secure the new vent in place with screws or nails. Make sure the vent is properly sealed to prevent leaks. This is a relatively simple DIY project, but if you're not comfortable working on your roof, it's best to hire a professional roofing contractor.
Repairing a ridge vent is an important maintenance task to keep your roof in good condition and prevent water damage. It's recommended to inspect your ridge vent at least once a year, or after any major storms that could have caused damage.