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LED Flashing after PC Upgrade

Last response: in Components
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January 22, 2010 8:02:37 PM

I recently upgraded my PC. Everything was fine, working perfectly. Today I upgraded my last component which was my video card. I went from an ATI HD4670 in crossfire to one single ATI 5850. I hooked up all the power cables as required, and when I went to boot up i heard one single beep followed by my LED on the front of the case and on the mobo flashing quickly.

When I unplug it fades away, and returns when i plug the power supply back in. This is my current system.


AMD Phenom II X4 965 BE
MSI 790FX-GD70 Mobo
GeminII S RR-CCH-PBU1-GP Cooler
8 Gigs (4 by 2gb) G. Skill DDR3 1600
Intel X-25M G2 SSD
WD 750 gig 7200 rpm HD
Thermaltake 750w PSU
Windows 7 Home
ATI HD 5850


Are there any suggestion as to what I can do?

More about : led flashing upgrade

a b ) Power supply
January 22, 2010 11:00:52 PM

Try it with 2 sticks of RAM. If it boots w/2, you'll have to increase the RAM voltage, maybe relax the latencies to run 4.
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