how to change ram single to dual channel mode

[kadari.premkumar]

my is pc not starting when installed two rams, but both rams working individually in both slots ,in cpu-z in memory
channel showing as a single
how to change it to dual

 

[USAFRet]

my is pc not starting when installed two rams, but both rams working individually

More info needed. All the specs of this.

Did you buy the two RAM sticks as a set, or individual ones?

 

[kadari.premkumar]

individual but i buy them in the same website, and both are same

 

[kadari.premkumar]

my is pc not starting when installed two rams, but both rams working individually

More info needed. All the specs of this.

Did you buy the two RAM sticks as a set, or individual ones?

 

[kadari.premkumar]

individually but i buy them on same website and same ram

 

[USAFRet]

individually but i buy them on same website and same ram

This is why RAM is sold in actual sets.
Even the same ones, from the same site...may not play well together. Rare like that, but it happens.

As requested...what are the full specs of this?