Diorkone10
1 Copper

Help my computer randomly started giving me problems!

I have a dell ispiron 3521

When I get on the black screen comes on and says, "No boot device found. Press any key to reboot the machine."

If I press a key it restarts.

I then decided to press f2

And run a diagnostic test. It said

"Erorr Code 2000-0122

Vlidation 115794

Msg: Memory errors detected. Limit exceeded. Additional errors will not be resolved. Slot JDIMM1"

What should I do ?????

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