Question Issue with 4 RAMs in Asus Prime B450m-a Motherboard

[PRASHOB]

I am using Asus Prime B450M-A motherboard with 2 8GB 3200 XPG RAMs.

I am upgrading to 4x 8GB 3200 XPG RAMs but the PC is not booting.

Could anyone help me with this?

 

[PRASHOB]

My BIOS version is 4002 (the latest).

 

[ThatVietGuy]

Did you buy a pack of brand new, 4x8gb or did you buy a completely separate pack of 2x8gb and added it to your current system?

If it's the first option, try each stick separately and see if the computer boots.

If it's the second option, there isn't a guarantee that two different RAM sets will be compatible.

 

[PRASHOB]

Did you buy a pack of brand new, 4x8gb or did you buy a completely separate pack of 2x8gb and added it to your current system?

If it's the first option, try each stick separately and see if the computer boots.

If it's the second option, there isn't a guarantee that two different RAM sets will be compatible.

All the RAMs are XPG GAMMIX D30 DDR4 3200 8GB sticks.
Tried each stick in each slot.

A1 and A2 are working as normal
B1 and B2 are unable to boot
Do we need to enable those slots manually?

 

[ThatVietGuy]

No, slots don't get disabled, you should just be able to install the sticks and everything works. Try installing all four sticks, reset the CMOS by removing the coin battery for 30 seconds and replacing, and try booting.

 

[PRASHOB]

No, slots don't get disabled, you should just be able to install the sticks and everything works. Try installing all four sticks, reset the CMOS by removing the coin battery for 30 seconds and replacing, and try booting.

Tried but no luck

 

[Misgar]

Some motherboards will not run 4 DIMMs when the memory is overclocked.

Since this is an Asus motherboard, check the BIOS for the DOCP (XMP) memory setting and switch it off.

With DOCP enabled, the computer will attempt to start the RAM up at 3,200MHz which may be unstable, hence the failure to boot.

With DOCP disabled, the memory should revert to its JEDEC default speed of 2,133MHz or possibly 2,400MHz.

You stand a much better chance of booting up at lower memory speeds than when overclocking is enabled.