USB Port Issue - Power Surge on Hub Port

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  1.    05 Apr 2018 #11

    Original Title:USB DEVICS EXCEEDED THE POWER LIMITS OF ITS HUB....POWER SURGETHE USB DEVICS HAS EXCEEDED THE POWER LIMITS OF ITS HUB....POWER SURGE....this is what the error message that was displayed everytime i put my i did something ,the error message stopped but cant use any pendrive...when i put a pendrive,getting notifications at some ports...but explorer not opening the device....Please help
      My ComputerSystem Spec

  2. Clintlgm's Avatar
    Posts : 901
    Win 10 pro Upgraded from 8.1
       05 Apr 2018 #12

    paulyjustin said: View Post
    I have 2 usb ports on my dell xps 15 9550 laptop. One on the left and one on the right. The left one i plug the usb for my wireless mouse. The usb port on the right, i plugged the 4 port usb into it. Thus in that 4 port usb, i would plug in say my keyboard, usb flash drive and anything else into it.

    this one if powered it has its own 2.5 amp power supply

    This is the one i just bought. The old one i have is basically like the same thing in looks.

    So yes its self powered? Basically you connect it to the usb port on laptop and then click on individual buttons to enable it. When you do that, theres a blue light. You turn it off by pressing it etc. I mean aren't all port hubs mostly like this? I don't know why you would assume its not self powered?

    The thing is when i plug the flash drive into the new 4 port hub i bought and plugged it into my laptop usb port, it recognize it like it should. But after say x amount of time, you hear that sound where it mean the usb flash drive is not working. Thus i click my computer and the F drive for this usb flash drive doesn't show up. This is same thing that happened with the old 4 port usb hub. The thing is the other usb ports when plugged in such as wired keyboard... they work and have no issues even when the usb flash drive doesn't work. Thus after a while, it would say windows malfunction with usb port message. But its only the usb flash drive... not the keyboard.

    So when i click on that button to power off that 3rd usb port on the 4 port hub and then click it right back to power it on, it recognizes it as when i go to my computer, it shows the flash drive.

    So based on that, isn't this 100% my usb flash drive and not my laptop usb port nor those 4 port usb hubs?
    This is a powered hub it has it own 2.5 Amp power supply I have no idea why anyone would want switches on a hub but here they are and has the power supply. your computer port only put out 500 ma when you split that 4 ways you only have 125ma with the self powered hub each port has the maximum power allowed I'm thinking 500ma for USB 2 and 1amp for USB 3.0
      My ComputersSystem Spec

  3. Clintlgm's Avatar
    Posts : 901
    Win 10 pro Upgraded from 8.1
       08 Apr 2018 #13

    I'm sorry I don't believe I can explain your problem to you so that you can fix it. Perhaps someone else will step in with more experience.
      My ComputersSystem Spec

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