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USB devices randomly lose power.

post #1 of 6
Thread Starter 
I upgraded my system for:

Gigabyte B75-D3V
Intel i5 3570

I have randomly system freeze. All USB device lost power (no light)
There is no error message, I see the monitor as if nothing happened, but I can just restart the system to bring it back.
I have e several USB devices: mouse, keyboard, external sound card, webcam.
What I tired:
BIOS update, PSU replace, USB hub with external power source, re install the system (clean and full), switch off power saving of USB devices.

Please help to solve this problem

Thanks.

Racska1974
post #2 of 6
Start > Settings > Control Panel > Device Manager.
On the View Tab select show hidden devices.
Click on each USB Root Hub Device and select Properties then Power
Add up the power each device is using.
All the USB 2.0 ports supply a total of 500 ma.
USB 3.0 ports can supply a total of 900 ma.

You may have to purchase an external, "Powered" USB hub and connect some of your USB devices to it.

My System
(15 items)
 
  
CPUMotherboardGraphicsRAM
FX6300 Black M5A99X EVO R2.0 Nvidia GTS450 Team Vulcan PC3 12800 
Hard DriveOptical DriveCoolingOS
Samsung 840 PRO Asus DRW-1608P (x2) Custom Water Cooling Win7 (Ult), Win 8.1 & Win Server 2012 R2 
MonitorKeyboardPowerCase
2 X Samsung 915N Ducky Shine III, Blue Cherry/Blue LEDs PCP&C 1kw Lian Li PC-71 (W/Window) 
MouseAudio
Logiteck G400s none 
  hide details  
Reply
My System
(15 items)
 
  
CPUMotherboardGraphicsRAM
FX6300 Black M5A99X EVO R2.0 Nvidia GTS450 Team Vulcan PC3 12800 
Hard DriveOptical DriveCoolingOS
Samsung 840 PRO Asus DRW-1608P (x2) Custom Water Cooling Win7 (Ult), Win 8.1 & Win Server 2012 R2 
MonitorKeyboardPowerCase
2 X Samsung 915N Ducky Shine III, Blue Cherry/Blue LEDs PCP&C 1kw Lian Li PC-71 (W/Window) 
MouseAudio
Logiteck G400s none 
  hide details  
Reply
post #3 of 6
Thread Starter 
Hello, thanks the info. I have an external powered USB HUB. I connected everything there expect the mouse and the keyboard.
The situation is strange. I did not have this problem before the upgrade. Even I had a smaller PSU. (500 W). Anyway all USB root is empty.
1.jpg 109k .jpg file 2.jpg 45k .jpg file

Cold it be HW problem, or driver conflict?
post #4 of 6
Thread Starter 
I managed to solve this problem, (it was not easy), but I have a new one:

If I switch on my notebook, my desktop PC switch on also? I suppose, somehow the desktop PC receive wake up magic packet, but why? I do not wan to turn off the wake up function, because I use my pc frequently from distance. They are under the same router an the same subnet. It started after I replaced the motherboard.
post #5 of 6
My System
(15 items)
 
  
CPUMotherboardGraphicsRAM
FX6300 Black M5A99X EVO R2.0 Nvidia GTS450 Team Vulcan PC3 12800 
Hard DriveOptical DriveCoolingOS
Samsung 840 PRO Asus DRW-1608P (x2) Custom Water Cooling Win7 (Ult), Win 8.1 & Win Server 2012 R2 
MonitorKeyboardPowerCase
2 X Samsung 915N Ducky Shine III, Blue Cherry/Blue LEDs PCP&C 1kw Lian Li PC-71 (W/Window) 
MouseAudio
Logiteck G400s none 
  hide details  
Reply
My System
(15 items)
 
  
CPUMotherboardGraphicsRAM
FX6300 Black M5A99X EVO R2.0 Nvidia GTS450 Team Vulcan PC3 12800 
Hard DriveOptical DriveCoolingOS
Samsung 840 PRO Asus DRW-1608P (x2) Custom Water Cooling Win7 (Ult), Win 8.1 & Win Server 2012 R2 
MonitorKeyboardPowerCase
2 X Samsung 915N Ducky Shine III, Blue Cherry/Blue LEDs PCP&C 1kw Lian Li PC-71 (W/Window) 
MouseAudio
Logiteck G400s none 
  hide details  
Reply
post #6 of 6
Congratulations on solving your (not easy) problem and not sharing how you did it. Scourge of the internet!
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