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No signal to monitor - XFX HD Radeon 6870.

Last response: in Graphics & Displays
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March 30, 2013 9:34:30 AM

I can't get my monitor to show anything as i turn on my computer, and i don't know what to do. I have done some simple stuff, but I'm not sure how to fix it. I'm just fairly certain my Graphics card is the problem. Story follows:

As the title explains i can't get a signal to my monitor as i try to start up my computer. Not too long ago, i bought the 6870 and replaced it with my old 5850, and realised that the monitor wouldn't show anything if i just started it. I later found out that turning of the PSU for a short while, and then turning it on and booting, the monitor would also recieve signal, and thus making my computer work. I don't know how, but I got the computer to always start properly, even though the PSU was always on.

Just today, i wanted to check something with my RAM, but afterwards i couldn't start my computer (Exact same problem as i had before with the monitor not showing anything.)



If not the Graphics card, then the RAM must be the problem. I have the ASRock M3a770de mobo and i believe my ram was plugged in incorrectly. (Just read through the manual because i was bored.) They were plugged in with one stick in the blue slot and one in the white. I understood that they should actually be plugged into either both blue slots or both white slots, not one in each color.

Do any of you have an idea to what may be the problem?
a b C Monitor
March 30, 2013 10:30:57 AM

Well as for the ram all that would really do is not allow the ram to run in dual channel mode but that is about it. It should not prevent the system from powering on correctly.

It would help to know alittle more about the hardware in your system. So what make/model PSU what CPU and do you have in your system.
March 30, 2013 10:44:48 AM

bryonhowley said:
Well as for the ram all that would really do is not allow the ram to run in dual channel mode but that is about it. It should not prevent the system from powering on correctly.

It would help to know alittle more about the hardware in your system. So what make/model PSU what CPU and do you have in your system.


CPU: AMD Phenom II x4 3.4 GHz
RAM: Kingston 1333 4gb ddr3.
GPU: XFX HD Radeon 6870.
PSU: Energon EPS-750W
mobo: ASRock m3a770de
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