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Help with RAM issues

Medic01
Level 7
Hi, recently upgraded my MB, CPU and RAM. When I go into BIOS it says the RAM is 2133mhz, but it should be 2400mhz?

Asus ROG crosshair hero 6
Ryzen 1700x
Corsair 16GB Vengeance LPX DDR4 2400MHz RAM/Memory Kit 4x 4GB

Any ideas?
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5 REPLIES 5

HisEvilness
Level 7
DDR4 starts at 2133 so this is the default Mhz, select XMP/DOCP profile and see if it runs on 2400mhz.

Hi, many thanks it worked first time.

OK, strange thing is happening now. The PC is powering up for 2 seconds then off, then on again but it stays on the second time?

Zka17
Level 16
That may be a double post... which is pretty common with ROG motherboards after you completely turn off your PC. It is normal until you get some error codes.

Thank you for th ereply, thought something major was wrong with the build.