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Question My pc is blocked on the bios startup

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But if my 2 ram Corsair do not work with my 2 other Kingstons, while all worked before. Does this mean that they are broken?
Do both pairs work if they are the only ones installed?

Have you tested them with a tool like memtest?

 
Do both pairs work if they are the only ones installed?

Have you tested them with a tool like memtest?

Yeah i have tested with only one but the pc always restart and how i can test them if m'y pc won't turn on ?
I don't have other pc
 
Something to be aware of is that the memory controller is in the CPU. If your CPU is failing, it could cause the issues you are now seeing.

CPUs are pretty durable, but they can and do fail. Especially when as old as yours.