USB port and PSU

By cis123
Nov 28, 2010
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  1. I have tow questions please

    1. i'm using a usb fan inside the case for cooling my gpu card but the fan keeps cooling after i hibenate my computer,

    how i can stop the usb fan after hibernate?

    And is it safe for the usb port to power the fan for long time (i'm using 80 mm case fan )?

    2. i want to upgrade my gpu card so i need a new psu that gives mor wattage

    is it safe for my fujitsu siemens pc if i install a none fujitsu siemens psu? .

    fujitsu siemens (esprimo p3520) pc

    intel q 9550 cpu
    4 gb ram
    inte g41 chipset fujitsu siemens mb
    250 hdd

    thanks for your help
  2. Route44

    Route44 TechSpot Ambassador Posts: 11,984   +72

    Yes on your second question. I don't have a clue on your first.
  3. Technochicken

    Technochicken TechSpot Paladin Posts: 729

    As far as I know, you can't disable the USB power. Instead, why don't you wire the fan to the 5 volt rail of your computer's power supply?
  4. Tedster

    Tedster Techspot old timer..... Posts: 6,002   +15

    you cannot disable a USB fan. Why did you not use a fan power input from the mobo?

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