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    Mani3gs's Avatar
    Mani3gs Posts: 1, Reputation: 1
    New Member
    		  
    #1

    Oct 26, 2013, 08:44 PM
    USB port is working in bios but not in windows?
    I have compaq presario c700 laptop.

    USB ports are not working in windows.but it is working in BIOS.(e.g usb keyboard.)

    I thought that it would be windows problem so I planned  to install new os. Cd drive doesn't work.so I have only option to install through usb.

    When I try to install os , after I click INSTALL Button I got error "A required cd/DVD drive device driver is missing...".. what should I do now ? 


    Thanks in advance .

    Note: first my all USB ports did not work suddenly .then I gave my laptop to service centre. They told that USB ports are shorted and they only made one port to function. But that too working in bios only. Pls see the error below.
    http://i42.tinypic.com/242iwk2.jpg
    Curlyben's Avatar
    Curlyben Posts: 18,514, Reputation: 1860
    BossMan
    		  
    #2

    Oct 27, 2013, 02:09 AM
    Windows update will do the trick.
    GrantHillsSA's Avatar
    GrantHillsSA Posts: 405, Reputation: 9
    Full Member
    		  
    #3

    Nov 1, 2013, 04:56 AM
    I found that the system file checker fixes that up...

    Click on Start.
    Just above start you will see a search bar "Search Programs and Files"
    Search for: cmd
    You will find cmd right at the top.
    Right Click on it and select run as Administrator
    A black box now opens. In there type:
    Sfc /scannow

    That's it



    Hope this helps
    Grant - South Africa
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