USB Keyboard Issue - Partially Solved

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konradh
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2013/10/15 18:41:09 (permalink)

USB Keyboard Issue - Partially Solved

I have had an ongoing issue with USB keyboards failing to work with Sonar.  A PC reboot always fixes the problem (as far as I know).
 
Although I do not know the cause, I did discover that unplugging or plugging in a USB drive will cause the problem 100% of the time.
 
For example, M-Audio keyboard works fine.  I change Passport USB drives in another USB port.  The keyboard no longer works.  I reboot the PC and the keyboard works.
 
Any ideas why this is happening?  The good news is that at least I can relate the issue to a specific action, although there could be other causes not yet identified.
 
Thanks.

Konrad
Current album and more: http://www.themightykonrad.com/

Sonar X1d Producer. V-Studio 700. PC: Intel i7 CPU 3.07GHz, 12 GB RAM. Win 7 64-bit. RealGuitar, RealStrat, RealLPC, Ivory II, Vienna Symphonic, Hollywood Strings, Electr6ity, Acoustic Legends, FabFour, Scarbee Rick/J-Bass/P-Bass, Kontakt 5. NI Session Guitar. Boldersounds, Noisefirm. EZ Drummer 2. EZ Mix. Melodyne Assist. Guitar Rig 4. Tyros 2, JV-1080, Kurzweil PC2R, TC Helicon VoiceWorks+. Rode NT2a, EV RE20. Presonus Eureka.  Rokit 6s. 
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    rontarrant
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    Re: USB Keyboard Issue - Partially Solved 2013/10/15 21:47:16 (permalink)
    Are you doing a "Safely Remove Hardware and Eject Media" or just pulling the plug? Are you powering down the drive before doing a 'safe' disconnect? Both of those might cause problems.
     
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    rontarrant
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    Re: USB Keyboard Issue - Partially Solved 2013/10/16 06:44:22 (permalink)
    Just came across a few more tidbits (I've been trying to solve my own USB MIDI keyboard issues)...
     
    - try unplugging all your USB devices except the MIDI keyboard, mouse and computer keyboard (if you're using USB mouse and computer keyboard)
    - if your MIDI keyboard is plugged into a USB 3 slot, try it in a USB 2
    - make sure you're using a reasonable quality USB cable
     
    The solution for me was unplugging everything I wasn't using (printer, scanner, external drive).
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