I used this (or a similar guide) a while back to get my Roland PC-300 working on Windows 7 and was excited to see people getting it working on Windows 10 but, I can’t get it to work. I get the message “Windows was unable to install your Unknown Device” with sub message “Windows could not find driver software for your device”.

PC-300

Updates & Drivers

• PC-300 USB Driver Version 1.3.0 Mac OS X

  This is a driver for using the PC-300 on MacOS X.
  - Compatible with Apple's standards of CoreMIDI
  - Universal Binary (This driver can work on both CPU, Intel processors and PowerPC processors.)
  - Single/Dual processor support
  - Compatible with Mac OS X v10.5 'Leopard' as of OCT. 26, 2007

• PC-300 USB Driver Version 2.0.0 Windows XP/2000

  This is the driver for connecting the PC-300 to a PC running Windows XP or Windows 2000.

• PC-300 USB Driver Version 1.4.0 Windows 98/ME

  This is an Roland PC-300 driver for Microsoft Windows 98 / Microsoft Windows Me.
  Features:
  - Multiclient support
  - As many as four applications can simultaneously use each MIDI OUT/MIDI IN port.
  - Simultaneously use four units

• PC-300 USB Driver OMS for Mac Classic (OS 9)

  This is the driver necessary for connecting the PC-300 to a Macintosh running OS 9 and Opcode's OMS version 2.3.5 or later.

• PC-300 USB Driver FreeMIDI for Mac Classic (OS 9)

  This is the driver necessary for connecting the PC-300 to a Macintosh computer running OS 9 and FreeMIDI.

• Clean-All USB Driver Utility

  This utility clears out all Roland USB Windows drivers and should be used if you are having difficulty installing your USB driver.
  Note: You will have to reinstall the drivers for any other Roland device that is using a USB connection for Audio or MIDI.

Roland Drivers Windows 7

Roland Drivers For Windows 10

• Roland PC 300 on Windows 7 Recently a friend got his hands on a Roland PC 300 midi keyboard, when trying to install it he found no support for windows vista or 7. All support forums seem to suggest it does not work, this is not true.
• Dear Roland Team, I must say that my Windows 10 Journey with Roland SonicCell issue is coming to and end. I have just purchased a Roland SD-50 Sound and Midi Module for $429.00. This Module has ASIO Windows 10 Drivers and has Roland Midi Sounds built in. The Tone Generator may not be as good as the SonicCell, but.
• Today, USB is obsolete because ROLAND did not deem it necessary to provide driver for Windows Vista and Seven. Although the USB connection was the selling point of the product. I guess the surprise will be the same for people today who buy the A-500S to the next Windows version change.
• PC-300 USB Driver Version 2.0.0 Windows XP/2000 This is the driver for connecting the PC-300 to a PC running Windows XP or Windows 2000. Roland Software License Agreement In no event shall Roland Corporation be liable to end-users for any damages whatsoever, including but not limited to financial damages for any loss of profits or information.