The screen "device needs to be restarted to increase performance." is a known problem with this device.To rule out a software fix, you can download the latest software from Magellan using the content manager software from the following link : http://bitli.es/whWyoOIf that does not correct the problem, Magellan will repair or replace the unit at no charge.You will first have to get a return authorization number from Magellan.
Hours: Monday through Friday, 6:00 a.m. to 5:00 p.m. PST/PDT Telephone:(###) ###-####Shipping instructions:After obtaining your Return Authorization number from Magellan they strongly suggest you ship your product back to our service center via a trackable shipping method such as UPS, FedEx, or DHL. Clearly write your Return Authorization number on the 2nd line of the address label as well as on three sides of the box you are shipping your product back in. Please note that the Repair Authorization number is ***** valid for 30 Days.RMA Shipping Address:Mitac - Magellan Returns CenterC/O ModusLinkAttention: RA #2000 Midway LaneDock 3Smyrna, TN 37167