Hi
You need the following parts which are known to work correctly
And are compatible with each other
Eg ddr-2 or ddr-3 or if very old ddr ram
Cpu which fits in socket and is on supported list for that motherboard
Psu , keyboard usb or ps/2 older boards prefer ps/2
If motherboard does not have integrated graphics chip then a simple graphics card
With appropriate interface
( I have a old PCI Matrox card but it is of no use on modern boards without PCI slots
LCD screen with various inputs VGA, DVI-I
Small speaker or pietso electric speaker and power switch
I have a kit which also has a reset switch and some LEDs
Test coin CMOS battery voltage (3.0 v) and reset CMOS using jumper after inserting cpu & ram
If the psu is connected correctly and switch connected to correct pins then motherboard will beep and display info on screen
If you get this far
You can add a usb bootable drive or DVD drive and a bootable cd or DVD such as hirens boot cd v1.52
Read faq on testing to motherboard or cpu is faulty level
http://www.tomshardware.co.uk/faq/id-1893016/post-system-boot-video-output-troubleshooting-checklist.html
Alternative is specialist equipment costing $10,000 or more
Regards
Mike barnes