bought a xeon e3 1240 v2 processor, started the computer off everytime motherboard - GA-H77-DS3H chipset - h77

[n_scott_pearson]

This is a good question -- for Gigabyte. They are the manufacturer of this board and its BIOS. You'll have to ask them what is going wrong​.

...S

[SergioS_Intel]

Hello snail, Please help us providing us with more additional information in order to better assist you: 1. Is this a new installation or your system was working before? 2. Have you tried testing different components on your serverboard? i.e. memory, power supply, etc. 3. Have you tried testing your processor on a different system? Upon checking the list of supported processors for your GA-H77-DS3H at https://www.gigabyte.com/Ajax/SupportFunction/GetCpuList?Value=227&SocketValue=374&Socket=Intel%20Socket%201155&Chipest=Intel%20H77&Type=Chipest, the Intel® Xeon® Processor E3-1240 v2 show as compatible since BIOS version F7, please verify the BIOS version that comes with your motherboard. Best regards, Sergio S. Intel Customer Support Technician Under Contract to Intel Corporation

[SergioS_Intel]

Hello snail,, We are following your issue and would like to know if you need more help. Best regards, Sergio S. Intel Customer Support Technician Under Contract to Intel Corporation

[SergioS_Intel]

Hello snail,

If you need more assistance please feel free to contact us back.

Best regards,

Sergio S.

Intel Customer Support Technician

Under Contract to Intel Corporation