It won't let me check when my state taxes are coming

If you e-filed your income tax returns, you may confirm their status by using the  e-file status lookup tool. For more information on this topic, you may refer to the FAQ: How do I check my e-file status?

https://ttlc.intuit.com/replies/3319882

Once your state income tax return is in accepted status, select the appropriate state from the list in the FAQ: How do I track my state refund? and you will be directed to that state's website to track your refund status.

https://ttlc.intuit.com/replies/3300211

How do I check when my state taxes are coming if they was file Buy electronics 

STATE RETURN

Make sure your state return was accepted:  https://turbotax.intuit.com/tax-tools/efile-status-lookup/

Federal and state refunds come from completely separate entities.  You cannot expect them to arrive at the same time.

To track your state refund:    

https://ttlc.intuit.com/questions/1899433-how-do-i-track-my-state-refund