Question about Acer Aspire 5100 Notebook

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Acer Aspire 5100 freezes everytime a device is connected to a usb

My usb ports on my Acer Aspire 5100 worked until one day, I had to reformat the HD due to a virus. I reinstalled the OS from the partition that Acer has already set in the HD. Once the OS was reinstalled, I noticed that anything that I connect via the USB port suddenly freezes the laptop. I am then forced to do a hard reboot of the system. I tried each usb port and the same happens. I check the settings in Device Manager and everything appears to be working with no yellow question marks. I tired unstalling unstalling the usb root numerous of times but the problem still exists. I tried tons of solutions on various sites and still the problem continues. I finally flashed the BIOS to a newer version but when I go into the BIOS, there is nothing there referring to the USB ports. I also noticed that the laptop will no longer stay on battery power so when I disconnect the power cord, the laptop shuts off. I can no longer use it on battery power because it will not allow. Finally, the EPower Managment software that comes with the Acer laptop, does not allow me to choose any other options and always stays on Maximum Power which can only be used with the power cord connected. I can not choose the other options because it is greyed out. Please help!

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  • 2 more comments 
  • akash_mots Jan 04, 2009

    the usb ports on my Acer Aspire 5100 laptop dont accept any USB devices. also my webcam doesnt work.

  • RFSMassacre Jan 12, 2009

    I have the same problem, everytime I connect the mouse, my webcam, my flash drive, my mp3 or anything to it, it just suddenly freezes. Anyone know what to do?

  • l2st Jan 22, 2009

    Same Problem first the DVD drive then the cam now the USB.. ACER shouldnt be allowed to sell these lemons in America,

  • Mohamed Daouik Feb 22, 2009

    the same problem, the cam, freeze, over heat...one after one. less than 1 year old...just junk.never by acer

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I have a acer 5100 aspire that won't recognize the hardrive half the time and won't find some of it's usb ports. I have reloaded windows and even tried different hard drives (used not new) and it seems to...


Do the following:

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  2. If not then power off the laptop and then carefully remove and replace the HD from and to its connector.
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If I could be of further assistance, let me know. If this helps or solves the issue, please rate it.
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www.techvisitor.com

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