Monitor wont display anything when turned on (new build)

aftabalam1997

Honorable
Nov 29, 2013
1
0
10,510
Here is my build-
Sapphire AMD Radeon HD 7870 2GB GDDR5 Graphics Card
Zalman CPU cooler - CNPS11X-Extreme
Intel Core i7 940 Quad Core Processor 2.93 GHz
Western Digital 500 GB 3.5 WD5000AAKS Hard Drive sata
Venus Midi ATX PC Gaming Tower Computer Case + Blue Led Fan + Temp Display + USB
Colors-it 500W Gold Silent PSU PFC 12cm Fan
ASUS P6X58D Premium, LGA 1366, Intel (90-MIBAB0-G0EAY00Z) Motherboard
Samsung 8GB (2x4GB) DDR3 PC3-10600R 1333MHz ECC Registered 240-Pin MEMORY RAM

I turn the power on the CPU, Graphics card fan and blue led fan and case displays light up and start working but when I connect it to a monitor it does not display anything. So I was just wondering if the memory isnt compatible? Graphics card not compatible? Powersupply not enough? or my Graphics card just broken? Also my motherboard lights display and seem to be functioning fine and makes a noise of a normal PC being started up.

Any comments on a soloution for fixing this issue would help alot thanks.