My monitor isn't detecting a signal from my computer?


I built my PC back in November 2015 and didn't have many problems until last month. I moved and when I set it up, I found that my monitor didn't register - both my DVI and HDMI didn't register a signal, and for sure it wasn't my monitor as I tested another monitor and it also didn't register.

Everything has been fine except for today, when I turned on my computer and the display didn't work. I've tried plugging it into the motherboard DVI/HDMI and into the graphics card, neither worked. I opened it up and tried to see if the card was loose, but it wasn't.

Is there something wrong with my graphics card? If not, what else could be the issue?

Here are my specs:
CPU: Intel Core i5-4690K 3.5GHz Quad-Core Processor
Motherboard: ASRock Z97 EXTREME4 ATX LGA1150 Motherboard
Memory: Corsair Vengeance 8GB (2 x 4GB) DDR3-1866 Memory
Storage: Western Digital 750TB
Video Card: XFX Radeon R9 270X 2GB Double Dissipation Video Card
Power Supply: Rosewill Capstone 750W 80+ Gold Certified ATX Power Supply non modular
Case: Corsair 300R ATX Mid Tower Case
Monitor: HP 2511X ‑ 25" LCD Monitor ‑ FullHD


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