https://community.intel.com/t5/Mobile-and-Desktop-Processors/Help-CPU-X5560-ES/m-p/188894#M89 <P>Return them!!!. Those processors do not have any warranty and they may fail. Those processors are given to motherboard manufacturers to test them and those processors are not even final versions so no motherboard will be able to use them correctly.</P><P></P><P>Request a refund or an exchange for retail boxd units.</P><P></P><P>PV.</P> Wed, 17 Mar 2010 21:39:16 GMT idata 2010-03-17T21:39:16Z https://community.intel.com/t5/Mobile-and-Desktop-Processors/Help-CPU-X5560-ES/m-p/188893#M88 <P>Hi I recently just bought a computer dual cpu for 2 weeks. I just found that they are the Engineer Sample CPU. I dont know what to do now please help me.</P><P></P><P>Thank You</P> Sun, 14 Mar 2010 03:19:13 GMT https://community.intel.com/t5/Mobile-and-Desktop-Processors/Help-CPU-X5560-ES/m-p/188893#M88 idata 2010-03-14T03:19:13Z https://community.intel.com/t5/Mobile-and-Desktop-Processors/Help-CPU-X5560-ES/m-p/188894#M89 <P>Return them!!!. Those processors do not have any warranty and they may fail. Those processors are given to motherboard manufacturers to test them and those processors are not even final versions so no motherboard will be able to use them correctly.</P><P></P><P>Request a refund or an exchange for retail boxd units.</P><P></P><P>PV.</P> Wed, 17 Mar 2010 21:39:16 GMT https://community.intel.com/t5/Mobile-and-Desktop-Processors/Help-CPU-X5560-ES/m-p/188894#M89 idata 2010-03-17T21:39:16Z