I need the 64-bit version of dpinst.exe because my casio ctk-720 will not operate corrrectly on windows 7 without it

Many Casio electronic instrument manuals are available here: http://support.casio.com/en/manual/manuallist.php?cid=008 . However, I found the CTK-519 manual at Manuals Lib: https://www.manualslib.com/manual/358021/Casio-Ctk-501.html .

I hope this helps.

Cindy Wells

http://support.casio.com/storage/en/manual/pdf/EN/008/WK110_EN.pdf
Read this. Thanks

try plugging in without the bateries...Also check your adaptor as well as your ac requirements on your keyboard..It specifically calls for a Casio AD-5 Adaptor.

• 9V power supply; 850mA
• Positive sleeve/negative tip This needs to match your adaptor Good Luck

http://support.casio.com/pdf/008/ctk_720_01_e.pdf

PC drivers available at Casio
http://support.casio.com/en/support/download.php?cid=008&pid=20

If you have a MAC google casio driver for Macs by 3rd party.

Both 32bit and 64 bits drivers for Win 7 & Win 8 have been made available at
http://support.casio.com/en/support/download.php?cid=008&pid=20

Casio has this driver on their support page: https://support.casio.com/en/support/download.php?cid=008&pid=20 . Scroll down to the drivers section and click on the link for Digital Keyboards/Piano (excluding PL-40R) for 32-bit OS versions. This link is to the left. Currently the link for the 32-bit versions of Vista, Win7 and Windows 8 is https://support.casio.com/en/support/download.php?cid=008&pid=75 .

I hope this helps.

Cindy Wells

what program are you running and did you set up your keyboard with the software so it can recognize it. Depending on what software it is your using as soon as I know I can tell you how to get it working. I use my midi keyboard with everything from reason, Ableton live, pro tools logic logic express vdj traktor basically every software!

Thanks Francois. This is good advice. It is posted in the problems and questions section of musical instrument repairs.

Just did it today. Hooked up CTK-720 to Imac with Snow Leopard (10.2.6) using GarageBand.
Steps: 1) Go to : http://code.google.com/p/casiousbmididriver/ 2) Download the CasioUSBMIDIDriver.plugin (see the two choices on the right side of screen) 3) Place the CasioUSBMIDIDriver.Plugin file into the MIDI Driver subfolder: Macintosh HD => Library => Audio => MIDI Drivers 4) Restart 5) Plug in USB cable, open GarageBand, turn on Casio 6) In GraarageBand Open New Project, Start by using Piano, Select Keyboard (command K) in the Window menu 7) You should see the keyboard being played on the screen.
PS: Thank you Francois Ferland.

On reading specs, use of the USB is NOT supported on a MAC or on other than the 32 bit version of Vista. If you happen to have the 64 bit Vista, it won't work. All the other versions of Windows seem to be supported..

SOMETIMES one must install the software BEFORE connecting the USB cable to the unit. SOMETIMES one must install the drivers in SAFE MODE. These things are ridiculous, but some of the quirks of Windows are stupid.