Macintosh-Specific Problems

Problem

Hint

At startup, a dialog box appears The pen tablet was not detected at startup. Make sure the

telling you that either the driver

USB interface cable is securely connected and that the status

failed to load or the tablet

LED on the tablet turns on when the pen tip is pressed against

preferences have not yet been

the tabletʼs active area.

created.

 

The pen display tablet works

There may be a problem in the KEXT.CACHE file.

correctly when initially installed

1. Unplug the pen display tabletʼs USB cable from your

under OS v10.2.7 or 10.2.8, but

computer. (Be sure to unplug only the USB cable.) Then

fails to work after restart.

uninstall the tablet driver. See Uninstalling the DTU-710 on

 

page 41 for details.

 

2. Within your computerʼs OS X SYSTEM folder, select

 

(highlight) the LIBRARY folder. Then access folder

 

information by typing COMMAND+i.

 

3. Select and unlock OWNERSHIP & PERMISSIONS. Then

 

change the owner from “system” to “yourself (userʼs name)”.

 

Now lock it back up, entering you administrator password

 

when prompted.

 

4. Open the LIBRARY folder. Delete the EXTENSIONS.

 

KEXTCACHE and EXTENSIONS.MKEXT files.

 

5. Empty the trash.

 

6. Again select the LIBRARY folder and access the folder

 

information.

 

7. Again select and unlock OWNERSHIP & PERMISSIONS.

 

Then change the owner from “yourself (userʼs name)” to

 

“system” and lock it back up.

 

8. Close the window and restart your computer. When the

 

system is ready, plug the pen display tabletʼs USB cable back

 

into your computer.

 

Install the pen tablet driver and test the unit. It should work

 

normally when you restart your computer.

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Wacom DTU-710 manual Macintosh-Specific Problems