## A-88MK2 Driver Ver.1.0.0 for Windows® 10

(Note)
In no event shall Roland Corporation ("Roland") be liable to end-users for any damages whatsoever, including but not limited to financial damages for loss of business profits or business information arising from the use of, or inability to use this product. The foregoing provision is effective even if Roland has been advised of the possibility of such damages.

* | Any modification, duplication, distribution, or reproduction of material (including the files related to this driver) without permission from Roland Corporation ("Roland") is prohibited.

* | Microsoft and Windows are either registered trademarks or trademarks of Microsoft Corporation in the United States and/or other countries.
* | All product names mentioned in this document are trademarks or registered trademarks of their respective owners.

## Driver for Windows 10

Your computer downloads the Windows® 10 driver for A-88MK2 automatically from the Internet when A-88MK2 is connected to the computer.

* | To use this driver, you must set the FUNCTION - DRIVER of the A-88MK2 to "ADVANCED."

* | When using a touch-enabled PC, replace the words "click" and "right-click" in this document with "tap" and "press and hold", respectively.

### System requirements

Operating System
  Microsoft® Windows® 10 (64-bit Edition/32-bit Edition)

  * | Windows 10 Mobile is not supported.

Computer
  Windows-compatible PC equipped with USB port

  * | This product cannot be used with a USB 3.0 port that is not compatible with USB 2.0 specification.
  * | If this product does not work correctly when connected to a USB 3.0 port, you will need to connect it to a USB 2.0 port.
  * | Even if connected to a USB 3.0 port, the performance of the product will not change.

> * | This driver cannot be used in a virtual Windows environment, such as Hyper-V or Virtual PC.
> * | Mac computers running Microsoft Windows are not supported.

Other
  Internet connection

  * | The Internet connection is needed to download the driver.

### Cautions and Limitations

- Sound interruption or other less-than-perfect outcomes may be experienced if your computer's performance and specifications are somewhat inadequate. The types of applications you use and the way in which you use them can also influence the experience you receive.
- If the PC is started up while the A-88MK2 is still connected to the PC with its power turned on, the driver may not be loaded properly and you may not be able to use the A-88MK2. In such cases, connect the A-88MK2 to another USB port or turn on the power of A-88MK2 after the PC starts up.
- If the A-88MK2 does not work correctly after resuming from Sleep mode, you should exit all applications that use the A-88MK2, and then turn the power of the A-88MK2 off and on again.
- If the USB cable is disconnected and reconnected while the A-88MK2 is in use, or if the power of the A-88MK2 is turned off, then on again, it may stop operating correctly. If this occurs, after resuming, you should exit all applications that use the A-88MK2, and turn the power of the A-88MK2 off, then on again.
- If your computer was experiencing a heavy processing load, such as when accessing a CD-ROM Drive or network while the A-88MK2 was being used, the A-88MK2 may no longer operate correctly. If this occurs, stop the playback or recording, then try starting playback or recording over again. If you are still unable to play back or record, quit all programs that are using the A-88MK2, then turn the A-88MK2 off and then on again.

## Installation

* | Before installing the driver, you must set the FUNCTION - DRIVER of the A-88MK2 to "ADVANCED."
* | To reinstall or update the driver, refer to "To reinstall."

1. Disconnect all USB devices except keyboard and mouse, and then start Windows.
2. Check that the computer is connected to the Internet.
3. On Windows, close the "Sound" settings screen of the Control Panel and all running applications.
4. Turn on the power of A-88MK2 and connect it to the computer using a USB cable.
   The driver will be installed automatically.
5. A few minutes later, click the start button.

   * | If "All apps" appears, click "All apps."

6. Open the Roland folder.
   If the "A-88MK2" icon is displayed, the installation is completed.

* | Under normal conditions, the driver installation is completed in several minutes.It may take about 10 minutes depending on the Internet connectivity or if there are other drivers being installed for other devices.
* | A problem may have occurred if A-88MK2 is connected but cannot be used after waiting for 10 minutes.Refer to "Troubleshooting."

## Before you begin

### Input/output device settings for your application

In the application(s) that you intend to use, specify the MIDI device they are to use. (For details on this setting, refer to the owner's manual for your application.)

* | If you are unable to select the A-88MK2 device, a problem may have occurred. Refer to "Troubleshooting."

#### MIDI input/output device

* | In the Windows Media Player, the MIDI input/output device of A-88MK2 cannot be used. Please select the following device in your MIDI compatible application.

[MIDI OUT devices]
  A-88MK2
  A-88MK2 MIDI
[MIDI IN devices]
  A-88MK2
  A-88MK2 MIDI

### Opening online document

When the driver installation is completed, you can open the Readme file (this document) by following the procedure described below.
Use this file for troubleshooting and for checking how to set up the driver.

1. Click the start button.

   * | If "All apps" appears, click "All apps."

2. Open the Roland folder and then click "A-88MK2 Readme".
3. The online document for the driver is displayed.

## Changing/checking driver settings

1. When changing driver settings, always make sure to first quit all applications using the A-88MK2. This is unnecessary when only checking the settings.
2. Click the start button.

   * | If "All apps" appears, click "All apps."

3. Open the Roland folder and then click "A-88MK2".
4. The "A-88MK2 Driver Settings" dialog box will appear.

   * | For details on the setting items, refer to "About the items in the Settings dialog box."

### About the items in the Settings dialog box

The "Light Load" check box
  Normally, you should leave this check box cleared.

  * | The modified setting will take effect after you turn the power of the A-88MK2 on/off.

"Show README" button
  This button displays the README file (this document).
Information
  This field shows the driver version.

## To reinstall

1. Delete the driver as described in "To uninstall."

   * | When you uninstall, the settings of the Driver Settings dialog box will be initialized. For details on the setting items, refer to "About the items in the Settings dialog box."

2. Install the driver as described in "Installation."

## To uninstall

1. Disconnect all USB devices except keyboard and mouse, and then start Windows.

   * | Be sure to also remove the A-88MK2's USB cable.

2. Exit all applications before you begin the uninstallation.

   * | Please wait for about 10 seconds until these applications exit completely.

3. Right-click the start button and then click "Apps and Features" or "Programs and Features".
4. In the list, select A-88MK2 Driver, and then click "Uninstall" or "Uninstall/Change".

   * | The driver is not installed if A-88MK2 Driver is not displayed in the list.You do not need to uninstall the driver.

5. If a message confirming the uninstallation appears, click "Uninstall".
6. If a dialog box regarding User Account Control appears, click [Yes].

   * | If you are asked to enter the password for an administrative account, sign in to Windows as a user whose Account Type is Administrator, and then perform the uninstallation.

7. The display will indicate "The installed A-88MK2 Driver will be uninstalled." and click the [OK].
8. When the message "Uninstallation was completed." is displayed, click [OK] to restart Windows.

## Troubleshooting

### Cannot install the driver

Check the status of the device
  Under normal conditions, the driver installation is completed in several minutes.
  If the A-88MK2 is connected but cannot be used after waiting for 10 minutes, follow the procedure below and check the status of the device.

1. Turn on the power of A-88MK2 and connect it to the computer using a USB cable.
2. Right-click the start button and then click "Device Manager".
3. In the View menu, click "Devices by type".
4. Click "Sound, video and game controllers" or "Other devices" to display the A-88MK2 device.
5. When the A-88MK2 device appears, double-click it to open the "A-88MK2 Properties" screen.
6. Under the General tab, check the "Device status" field.

  If the message in this field is "This device is working properly.", the driver installation is completed.
  Otherwise, the driver installation may have failed.
  See other topics in Troubleshooting for driver installation problems.
Is your computer connected to Internet?
  To install this driver, your PC must be connected to the Internet.
  Check that your PC is connected to the Internet (for example by using a Web browser), and then install the driver again by following the steps described in the "Installation" section.
Reconnect A-88MK2
  The device recognition may have failed.
  Disconnect A-88MK2's USB cable, turn off the power of A-88MK2 and turn it on again, and then reconnect it to your PC.
Install the driver manually
  Depending on the Internet connectivity, the driver may not be installed automatically.
  If this is the case, follow the procedure below to install the driver.

1. Turn on the power of A-88MK2 and connect it to the computer using a USB cable.
2. Right-click the start button and then click "Device Manager".
3. In the View menu, click "Devices by type".
4. Click "Sound, video and game controllers" or "Other devices" to display the A-88MK2 device.
5. Right-click A-88MK2, and then select "Update driver" or "Update Driver Software".
6. Select "Search automatically for updated driver software".
   Your PC starts searching for the driver, and the driver is installed automatically.

  The installation is completed if the "Windows has successfully updated your drivers" or "Windows has successfully updated your driver software" message is displayed. Click "Close".
  If the "System Settings Change" dialog box appears, click [Yes] to restart Windows.
If Windows Update is running, you may not be able to install the driver.
  When Windows Update is completed, install the driver again according to the Installation procedure.

Is the A-88MK2's FUNCTION - DRIVER set to "ADVANCED"?
  Be sure to set the A-88MK2's FUNCTION - DRIVER to "ADVANCED."

### Cannot select/use the A-88MK2 device

Was the driver installed correctly?
  The driver may not be installed properly.See the "Cannot install the driver" section.
  If you cannot use A-88MK2 after the driver is installed, reinstall the driver by following the procedure described in the "To reinstall" section.
Could the A-88MK2 be in use by other software?
  Exit all applications that are using the A-88MK2, and turn the power of the A-88MK2 off, then on again.
  If this does not solve the problem, use the procedure described in "To reinstall" to reinstall the driver.
Is the A-88MK2 MIDI device name displayed?
  If the device name is not displayed, exit all applications that are using the A-88MK2, and turn the power of the A-88MK2 off, then on again.
  If this does not solve the problem, use the procedure described in "To reinstall" to reinstall the driver.
Did the computer enter a Sleep mode while the A-88MK2 was connected with its power turned on?
  If the A-88MK2 does not work correctly after resuming from Sleep mode, you should exit all applications that use the A-88MK2, and then turn the power of the A-88MK2 off and on again.
Was the USB cable disconnected and reconnected while the A-88MK2 was being used, or was the power of the A-88MK2 turned off, then on again?
  If the USB cable is disconnected and reconnected while the A-88MK2 is in use, or if the power of the A-88MK2 is turned off, then on again, it may no longer operate correctly. If this occurs, exit all applications that are using the A-88MK2, and turn the power of the A-88MK2 off, then on again.
If the PC is started up while the A-88MK2 is still connected to the PC with its power turned on, the driver may not be loaded properly and you may not be able to use the A-88MK2.
  In such cases, connect the A-88MK2 to another USB port or turn on the power of A-88MK2 after the PC starts up.

### A number such as "2-" is now displayed at the beginning of the device name

Could you have connected the A-88MK2 to a different USB port?
  If you connect the A-88MK2 to a different USB port, the operating system may automatically add a number to the beginning of the device name.
  Even if this occurs, it will not cause any problems with the operation of the A-88MK2.

  * | If you want to restore the device name that does not have this added number, connect the A-88MK2 to the same USB port as when you installed it, or reinstall the driver as described in "To reinstall."

### No sound is heard; cannot playback or record

Was the driver installed correctly?
Could the A-88MK2 be in use by other software?
Did you make settings as described in "Before you begin" so that the A-88MK2 driver could be used?
  The A-88MK2 cannot be used unless you make these settings. Refer to the sections on "Before you begin."
Could you have entered Sleep mode during playback or recording?
  If the A-88MK2 does not work correctly after resuming from Sleep mode, you should exit all applications that use the A-88MK2, and then turn the power of the A-88MK2 off and on again.
During playback or recording, did you turn the power of the A-88MK2 on/off, or disconnect and reconnect the USB cable?
  If you turn the power of the A-88MK2 on/off or disconnect and reconnect the USB cable during playback or recording, the A-88MK2 will no longer be able to play back or record. Stop playback or recording, and then start playback or recording once again. If you are still unable to play back or record, quit all programs that are using the A-88MK2, then turn the A-88MK2 off and then on again.

### Part of the playback is wrong: e.g., notes are broken off prematurely, or some notes are lost

Problems may be solved by making the settings shown below.

Try updating the driver of your display adaptor
  You may be able to eliminate clicks and pops by updating the driver for the display adaptor installed in your computer.
Windows Update / Microsoft Update
  You may be able to solve the problem by updating your system with "Windows Update" or "Microsoft Update" provided by Microsoft.
Check the power management settings
  1. Click the start button and then click "Settings()".
  2. Click "System" and then click "Power & sleep".
  3. In Related settings, click "Additional power settings".
  4. In "Choose or customize a power plan," choose "High performance."

     * | If the "High performance" plan is not shown, click "Show additional plans."

  5. In the High performance area, click "Change plan settings."
  6. Click "Change advanced power settings."
  7. In the Advanced Settings, click the “+” symbol for "Hard Disk," and click the “+”symbol for "Turn off hard disk after" to open it.
  8. Click "Setting (Minutes)," and click the down arrow to change the setting to "Never."
  9. Click [OK] to close the Power Options window.
  10. Close the "Edit Plan Settings" screen.
"Performance Options" settings of System Properties
  1. Open File Explorer.
  2. Right-click on "This PC" in the Navigation pane on the left side and select "Properties".
  3. At the left, click "Advanced system settings."
  4. If a dialog box regarding User Account Control appears, click [Yes].

     * | If you are asked to enter the password of an Administrator account, sign in to Windows as a user whose Account Type is Administrator, then perform the settings again.

  5. Click [Settings] of the Performance section, and then click the [Advanced] tab.
  6. Select "Background services," and click [OK].
  7. Click [OK] to close "System Properties."
Such problems may be solved if you check the "Light Load" check box in the Driver Settings dialog box.
  If you wish to modify or verify the settings, use the procedure described in "Changing/checking driver settings."

  * | The modified setting will take effect after you turn the power of the A-88MK2 on/off. Unless you experience problems, use the unchecked (initial) setting.

Copyright (C) 2019 Roland Corporation. All rights reserved.