It can take one to two weeks to receive a check in the mail once the IRS and/or State mails it out. You can check their websites for refund information.
You can checked the IRS website Where's My Refund for your Federal information?
https://www.irs.gov/refunds
If you have a State refund, click on the following link, then click on your State
https://ttlc.intuit.com/community/refund-status/help