Question booting problem

Jul 16, 2020
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13 july 2020 I Bought a new Garaphics Card MSI Geforce GTX 1660 Gaming X 6gb but after installing new graphics card the system stuck on bios screen.

I ask the service about the problem they told me change the psu (before 550w) and new one 700w but still nothing happens the motherboard showing EB

OPT ROM and HDD INIT Led Flashing but old graphics card working (zotact Geforce GT 610)
My sytem Configuration is

Intel DP67BG Motherboard,
Core I3 2120 2nd Geeration Cpu ,
6Gb DDR3 Ram ,
320GB HDD,
GTX 1660 Gaming X
(Old graphics card was Zotac Geforce GT 610)
 

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