Question Asus Rog Strix B450-F + Ryzen 7 2700X restarting

Asus Rog Strix B450-F + Ryzen 7 2700X restarting.

If I don't insert memories the yellow LED turns on. Ok

When I insert memories(slot A2, with the "*") the yellow LED turns on, then off, then computer restart.

Tried with two different memories.

Any suggestion?
Do a CMOS reset to default values. Procedure is in the manual.

Try using one DIMM only in case one of the DIMM's are defective.
 

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