Question 2400 mhz ram not working on 2133mhz motherbord

Feb 25, 2020
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So i bought one stick of 16gb 2400mhz ram(previously I used 8gb 2133mhz), I thought it wolud just underclock the ram automaticly to 2133 but instead when I try to turn on my pc the fans and everything turns on but the screan stays black, I tried reseting CMOS and it did nothing. What sholud I do next?
 

TechyInAZ

Polypheme
Moderator
Can you get to the BIOS at all? If so, try manually setting the frequency to 2133mhz.

If not, you'll have to try another stick.

However 2400mhz is very very easy for a 6700K to run, it should be working. Is your BIOS uptodate?
 
Feb 25, 2020
4
0
10
0
Can you get to the BIOS at all? If so, try manually setting the frequency to 2133mhz.

If not, you'll have to try another stick.

However 2400mhz is very very easy for a 6700K to run, it should be working. Is your BIOS uptodate?
Nope, i tried to do this with another, working ram stick and swiching them, but still no results
 

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