USB ports disconnecting / Keyboard stopped typing some letters

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  1. Posts : 7
    Windows 7 Ultimate x64
       #1

    USB ports disconnecting / Keyboard stopped typing some letters


    Hello,

    I have 2 problems and would love to hear your thoughts. (Bold)
    Before couple weeks ago, my mouse started to act weird, like it stops moving for couple second and I hear the sound of a new device plugged in then it goes back to work, afterwards ... it stopped going back, a restart was a must for it to continue working EVEN THO the mouse lights were still on.

    In few days, the keyboard of the laptop it self (built in) stopped typing some letters (back-space, enter, D, I), I've booted into a portable OS and the keys weren't working too, I assume it's hardware problem.

    I went and bought new mouse and an external keyboard, the same USB problem that happened with the old mouse happened, I thought it could be some drivers or some software interupting, I formatted my PC and the problem still persists! BUT I do not remember the USB disconnecting or any sort when the windows was FRESH and not connected to the internet (were some drivers could be installed through windows itself).

    Laptop is N53SN ASUS Laptop.

    - Built-in keyboard: any thoughts? And what shall I do about it? Replace or is there something I can do other than replacing?
    - USB disconnection, the lights still work on both keyboard and the mouse when they disconnect, I have disabled the "Power management setting" that makes the PC turn off the USB ports for power-saving.


    Thanks, and sorry if I missed any needed information, it's my first topic.
      My Computer


  2. Posts : 21,004
    Desk1 7 Home Prem / Desk2 10 Pro / Main lap Asus ROG 10 Pro 2 laptop Toshiba 7 Pro Asus P2520 7 & 10
       #2

    Hello and welcome Killer mate no need to get a new KB yet a few more specs would be handy though mate.:)

    Now assuming you haven't tried them out have you downloaded the drivers for either the external KB - presuming again it is a specified manufacturer or the inbuilt KB?

    For the machine drivers they are here
    ASUSTeK Computer Inc. -Support- Drivers and Download N53SN

    As a matter of interest how old is the machine?
      My Computer


  3. Posts : 7
    Windows 7 Ultimate x64
    Thread Starter
       #3

    27088d250ad0615468e14ab780240ecf.png

    I don't know, but the D/Enter/Back-space isn't even working at BIOS menu, sooo drivers really wont make sense right?

    Laptop is about 2 years old, and I am now more concerned about the USB :/
      My Computer


  4. Posts : 21,004
    Desk1 7 Home Prem / Desk2 10 Pro / Main lap Asus ROG 10 Pro 2 laptop Toshiba 7 Pro Asus P2520 7 & 10
       #4

    Killerftw said:
    27088d250ad0615468e14ab780240ecf.png

    I don't know, but the D/Enter/Back-space isn't even working at BIOS menu, sooo drivers really wont make sense right?

    Laptop is about 2 years old, and I am now more concerned about the USB :/
    Now is that correct for both KB's the external and the inbuilt ones?
    The drivers I would certainly update the USB and chipset my friend and if the external KB manufacturers driver.

    Another thing would be to run some security over the machine too.

    http://www.superantispyware.com/

    http://www.malwarebytes.org/products/malwarebytes_free/

    http://www.bleepingcomputer.com/download/adwcleaner/

    download from bleeping computer

    Seeing that ref that gives the system specs have you got a lot of add on freeware on the machine?
      My Computer


  5. Posts : 7
    Windows 7 Ultimate x64
    Thread Starter
       #5

    Only for the built-in, the external works normally.

    My computer is clean, and it is secured, I just formatted it as I mentioned before, it's not a virus or any add-on that's interrupting...
      My Computer


  6. Posts : 21,004
    Desk1 7 Home Prem / Desk2 10 Pro / Main lap Asus ROG 10 Pro 2 laptop Toshiba 7 Pro Asus P2520 7 & 10
       #6

    Killerftw said:
    Only for the built-in, the external works normally.

    My computer is clean, and it is secured, I just formatted it as I mentioned before, it's not a virus or any add-on that's interrupting...

    Hmm it was just a thought Killer and they are ones that donot take long to run but if the machine is clean well maybe the inbuilt key board isfaulty. Just seems odd the problem started out of the blue.
    Replacing it should be quite straight forward if the Asus is anything like replacing Toshiba KB's and the other Asus gear in general.

    I still think the drivers should be done and I am not a fan of the Windows updating feature to be honest but the choice is yours.
      My Computer


  7. Posts : 7
    Windows 7 Ultimate x64
    Thread Starter
       #7

    So the keyboard problem is fixed (going to replace it soon)

    But what about the USB? Could it be dirt? Or drivers? There's no drivers for USB at ASUS's website nor in the DVD.
      My Computer


  8. Posts : 21,004
    Desk1 7 Home Prem / Desk2 10 Pro / Main lap Asus ROG 10 Pro 2 laptop Toshiba 7 Pro Asus P2520 7 & 10
       #8

    Killerftw said:
    So the keyboard problem is fixed (going to replace it soon)

    But what about the USB? Could it be dirt? Or drivers? There's no drivers for USB at ASUS's website nor in the DVD.
    Yes possibly mate you could try to very gently clean the ports out using a piece of credit card (thin strip with a piece of thin lint free cloth over the end of it and a tad of alcohol of some description (iso propyl is good) and insert the cleaner into the port and again very GENTLY clean them as they are so easy to break especially that small "tongue" they have inside. I guess you could even use a thin cable tie or tooth pick as well bt be careful.
      My Computer


  9. Posts : 7
    Windows 7 Ultimate x64
    Thread Starter
       #9

    What makes me crazy, that if the USB stopped working, if I entered a USB Flash, it will work... and I have an external fan, it still runs normally!
      My Computer


  10. Posts : 21,004
    Desk1 7 Home Prem / Desk2 10 Pro / Main lap Asus ROG 10 Pro 2 laptop Toshiba 7 Pro Asus P2520 7 & 10
       #10

    Killerftw said:
    What makes me crazy, that if the USB stopped working, if I entered a USB Flash, it will work... and I have an external fan, it still runs normally!
    Well that sort of points the finger at the USB plug, it's cable , or the KB itself you may have to work back from the plug Killer.

    Now if you are ok with it you can test the connectivity of the plug and KB by undoing the KB and trying a multi meter resistance test between the plug and the KB end (connection). Do the same with the power connections and the data ones too.
    See this for details
    All common USB connectors
      My Computer


 
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