blakey989

Honorable
Jan 15, 2013
4
0
10,510
i have a gtx 520 but have just got the HD 7750 the reason i got this is because i only have a 300w psu and a mini tower case so i dont have much room to get a higher watt psu i put the 7750 into the case and the fan spins up but no display when i put my old gpu in it works fine i have read alot online and i'm stuck he is my pc a part from the the ram it is the exact same

pc
-http://h20000.www2.hp.com/bizsupport/TechSupport/Document.jsp?objectID=c03013679&lang=en&cc=us&contentType=SupportFAQ&prodSeriesId=5151865&prodTypeId=12454

graphic card
http://www.ebuyer.com/344782-gigabyte-hd-7750-1gb-gddr5-vga-dvi-hdmi-pci-e-graphics-card-gv-r775oc-1gi

Thanks for you answers