The two color screen as in red & blue? RED = bad RAM.
https://www.sysnative.com/forums/showthread.php/3909-Test-RAM-With-Memtest86
The memtest86+ ISO you'll download is DOS-based. Windows does not load during memtest86+
http://memtest.org/#downiso
Burn ISO to CD-R with ImgBurn --> http://www.imgburn.com/index.php?act=download
ImgBurn - Select "Write image file to disk" -

Burn the ISO to CD-R disc; boot from the CD.
Regards. . .
jcgriff2