Question Black screen after installing new RAM ?

[ekk.ivox]

Recently i bought new G.Skill Ripjaws 2x4GB DDR3 1333MHz RAM, but when i boot my PC with them I just have a black screen, please help.

My specs are:
Foxconn H55MXV
i5-660
GTX 1050
450w PSU

 

[CountMike]

Recently i bought new G.Skill Ripjaws 2x4GB DDR3 1333MHz ram, but when i boot my PC with them i just have a black screen, please help.

My specs are:
Foxconn H55MXV
I5 660
GTX 1050
450w PSU

Adding or replacing ?
Reset CMOS/BIOS ?
MB may support only "L" (1.35v) RAM, Non-L is 1.5v.

 

[ekk.ivox]

Adding or replacing ?
Reset CMOS/BIOS ?

Replacing, i did reset the CMOS battery and BIOS as well, i could get into windows but it showed that only 3.05GB were usable and windows was very laggy and choppy and then i got a blue screen.

 

[CountMike]

Replacing, i did reset the CMOS battery and BIOS as well, i could get into windows but it showed that only 3.05GB were usable and windows was very laggy and choppy and then i got a blue screen.

Windows 32 or 64 bit ?

 

[ekk.ivox]

Windows 32 or 64 bit ?

64 bit