How can you verify the warranty status of an HP product?

Verifying the warranty status of an HP product is most effectively done by entering the serial number on HP's support website. This is because the support website is designed to provide real-time, accurate information directly from the manufacturer regarding the warranty status. By inputting the serial number, you can access the exact specifications of the product, its warranty coverage, and any remaining warranty period.

The other options, while potentially useful in verifying information about the product, do not provide the most reliable or efficient way to check warranty status. Checking the product manual may provide basic warranty information, but it will not reflect the current status, especially if the warranty period has changed or the terms have been updated. Contacting customer service with the model number is less efficient, as it requires additional interaction and may lead to longer wait times for information. Referring to the purchase receipt can give an idea of the purchase date, but it does not definitively verify warranty status as it lacks a connection to the manufacturer's records. Therefore, using the serial number on HP's support website ensures you have the most accurate and updated information.