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Unknown Device not recognized -8.1 laptop

when look in the device manager i get this:
http://cloud.addictivetips.com/wp-content/uploads/2010/04/UnknownDeviceManager.jpg
and PCI Device above this to unknown device ( i took this photo from google)

when i try to delete it back after restart or Scan hardware change

please help
lenovo ThinkPad Edge E540 20C6006JIV win 8.1
20 answers Last reply Best Answer
More about unknown device recognized laptop
  1. Can i ask what Operating System your using?
  2. Best answer
    Hi Lcx2 ,
    You are missing some drivers
    check to see in device manager exactly what drivers you do have installed , i cant tell from that image , it only says other devices ,
    The drivers you need will be in this list ,
    if there appears to be a driver in this list you do not have it could be that , make sure to get the windows 8.1 drivers
    http://support.lenovo.com/en_CH/downloads/detail.page?DocID=DS037581
  3. ok thank this solved! but i can not install camera drive , when i try install the driver i got this massage in the end : " no appropiate driver to be install " and when i try to get to the camera app its request to Connect camera
  4. do you still have the missing drivers ?
  5. could the missing drivers be your camera and card reader ?
  6. camera is not essential if you dont have or want it , it will not affect system operation
  7. mickypheonix said:
    camera is not essential if you dont have or want it , it will not affect system operation


    the missing drivers solved but i want the camera..
  8. do you have a 32 or 64bit operating system ?
  9. mickypheonix said:
    do you have a 32 or 64bit operating system ?


    64
  10. download and follow the read me here and the driver is there also
    http://support.lenovo.com/en_US/downloads/detail.page?DocID=DS039745
  11. mickypheonix said:
    download and follow the read me here and the driver is there also
    http://support.lenovo.com/en_US/downloads/detail.page?DocID=DS039745


    I did it and got this problem..
  12. what is the problem exactly ?
  13. mickypheonix said:
    what is the problem exactly ?

    when i came to install the drive i got message :" no appropiate driver to be install "
  14. are you missing any drivers for it in device manager ? , do you have a drivers disc that came with your lenovo
  15. mickypheonix said:
    are you missing any drivers for it in device manager ? , do you have a drivers disc that came with your lenovo

    no..
  16. so are the drivers for it working correctly ?
  17. mickypheonix said:
    so are the drivers for it working correctly ?


    there is no driver for camera in Device Manager , and i cant install the driver from lenovo site
  18. mickypheonix said:

    same problem but i get it , the computer ask to connect camera and the camera build in what the ...

    update: I unplugged the electricity and it back! thank a lot!
  19. you're welcome , i hope it all goes well for you
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