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Monitor/USB Ports not working

Tags:
  • Power Supplies
  • Monitors
  • Motherboards
  • Systems
Last response: in Systems
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January 15, 2014 12:04:31 PM

Hello, I bought a new case and transferred everything into it. When I power it up all the fans and LEDS turn on but there's no activity on the monitor and my keyboard/mouse won't work. I've read previous post's on this issue and tried to troubleshoot it with the suggestions on there and nothing has worked. I was wondering, maybe I need a new PSU or motherboard?

Mobo: AMD RS880M05
CPU: Phenom II X4 820(2.8GHZ)
GPU : ASUS R7 250 - 1GB 128 BIt (Also have integrated ATI Radeon HD 4250 Graphics)
6GB RAM
2 Hard Drives , 1 DVD Read/Writer
300 W PSU

More about : monitor usb ports working

a c 105 ) Power supply
a b C Monitor
a c 176 V Motherboard
January 15, 2014 12:18:29 PM

You have the monitor connected to the GPU not the motherboard right?

Also which USB ports do not work? The motherboard ones or the case ones?
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January 15, 2014 12:29:56 PM

I've tried connecting the monitor to the GPU and the motherboard, neither worked. None of USB ports work, motherboard nor case.
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Related resources
a c 105 ) Power supply
a b C Monitor
a c 176 V Motherboard
January 15, 2014 12:34:55 PM

You need to connect the monitor to the GPU NOT the motherboard.

Also, did you install the motherboard standoffs in the new case?
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January 15, 2014 12:55:59 PM

tiny voices said:
You need to connect the monitor to the GPU NOT the motherboard.

Also, did you install the motherboard standoffs in the new case?


I have tried that but no luck. Damn, I'm pretty sure I didn't. I'm guessing that could have caused an electrical shortage?
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a c 105 ) Power supply
a b C Monitor
a c 176 V Motherboard
January 15, 2014 12:59:50 PM

YEs, the motherboard could be fried. Reinstall it with the standoffs and try then.
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January 15, 2014 3:38:23 PM

tiny voices said:
YEs, the motherboard could be fried. Reinstall it with the standoffs and try then.


So I installed the standoffs and still no activity on the monitor, but now when I plug in my mouse the red laser does turn on for a second and then it goes out. Any clue what that could mean?

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Best solution

a c 105 ) Power supply
a b C Monitor
a c 176 V Motherboard
January 15, 2014 3:39:57 PM

You may have fried the board. are you 100% positive everything is wired up properly?
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January 15, 2014 4:17:49 PM

tiny voices said:
You may have fried the board. are you 100% positive everything is wired up properly?


Yea, now if the mobo was fried would the fans and gpu fan turn on? If its not that maybe 300 W is not enough power?
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a c 105 ) Power supply
a b C Monitor
a c 176 V Motherboard
January 16, 2014 6:04:09 AM

If it does the same thing when you remove the GPU and try it on integrated graphics, then it has nothing to do with the power.
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January 16, 2014 12:12:13 PM

tiny voices said:
If it does the same thing when you remove the GPU and try it on integrated graphics, then it has nothing to do with the power.


Well I'll just get a new motherboard and try it out.
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