HP 6735s unknown device

May 11, 2009 · Filed Under Other 

After finishing install of drivers for your HP 6735s notebook, you found that one device is not installed and there is no name for it, it is simply named Unknown device. After checking driver instance ID you found that it has value ACPI\HPQ0004\3&61AAA01&0.

To install this device simply install HP 3D DriveGuard.

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Comments

4 Responses to “HP 6735s unknown device”

  1. Alex on May 24th, 2009 1:54

    Thank you for the information! I didn”t find any post about it in HP forums.
    In some other notebooks this problem was solved installing “HP Quick launch buttons”, but of course didn”t work in this model.

  2. Hellas on May 24th, 2009 8:20

    Yes quick launch buttons also on some models are unknown device. Thanks.

  3. mich on December 12th, 2009 1:39

    i realy appreciate the imformation.
    immediatly i install the 3D DriveCard the unknown device dissappear.

    Pls Note:
    Before the solution to the unknown device, my mic and headphone port were not working but after the soludo the ports are still not working, please help…

  4. Hellas on December 12th, 2009 2:14

    did you properly connected your mic + headph?
    if yes did you installed your soundcard (any exclamation point or question sign in device manager will mean there is problem with your drivers)?
    if yes are they muted from master volume (near the clock)?
    if no does your mic + headph work on another computer?

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