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You are here: MacNN Forums > Enthusiast Zone > Classic Macs and Mac OS > Pro Keyboard, 4 keys don't work, MacOS 9.1

Pro Keyboard, 4 keys don't work, MacOS 9.1
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Join Date: Jan 2000
Location: Bogotá, DC, Colombia
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Jun 5, 2001, 06:25 AM
Hi! Some weeks ago, my Pro Keyboard didn't recognize the four new keys (volume high, low, mute and eject disc). When I init my iMac DV+, an alert box appeared with this message: "Software needed for the USB device 'Apple Extended USB Keyboard' is not available. Would you like to look for the software on the Internet?".

After some weeks, I decided to fix this problem, and I got the answer at the Apple KBase:

One of these actions will resolve the situation:

* Use the Extensions Manager control panel to verify that the extension named "USB Device Extension" is turned on. If it is off, turn it on and restart the computer.
* If USB Device Extension is not in the Extensions folder, use Sherlock to find it. Drag the file into the Extensions folder.
* If USB Device Extension is not on the hard disk, install it by performing a custom installation from the Software Install disc. (The USB Device Extension software is an item within the system software's Network & Connectivity component.) For more information on custom installation of Mac OS 9 components, please see article 31288: "Mac OS 9: Installing or Removing Individual Components ."

Hummm... I had installed the USB Device Extension, but I reinstalled... restarted the iMac and... no message!

But the 4 keys still don't work!!!

What can I do? Thank you very much!


iMac DV+
MacOS 9.1
96 MB RAM, 128 MB VM
Best regards from Colombia!

MaurOS X
IT Journalist
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