Question my pc can't boot after upgrading ram

[Yeaboyyyyyy]

I have a pc with a ddr3 2gb 1333 ram hynix I upgrade to 2x4 gb ddr3 1600mhz hyperx after upgrading my pc can't go in to bios
Spec:motherboard:g41t m12
Cpu:core 2 quad q8400
Gt 630
1 ssd
450 watt psu

 

[rgd1101]

https://www.ecs.com.tw/en/Product/Motherboard/G41T-M12/specification

Intel® Core™2 Quad Processor Q8400 (4M Cache, 2.66 GHz, 1333 MHz FSB) Product Specifications

Intel® Core™2 Quad Processor Q8400 (4M Cache, 2.66 GHz, 1333 MHz FSB) quick reference guide including specifications, features, pricing, compatibility, design documentation, ordering codes, spec codes and more.

ark.intel.com