The following article addresses general connection and noise issues when using the UA-25 with a computer:
-
Be sure to install the latest driver for your operating system. You may download the driver from the link below:
https://www.roland.com/us/products/ua-25/downloads/
Note: Be sure that you're using the UA-25 and not the UA-25EX with the black front panel. If you're using the UA-25EX, you can download the drivers here:
https://www.roland.com/us/products/ua-25ex/downloads/ -
Be sure that the ADVANCED switch on the side of the UA-25 is set to ON. If this needs to be changed, close down all software, disconnect the UA-25 from the computer, change the switch to ON and then reconnect the USB cable to the UA-25.
-
Try a different USB port on your computer. NOTE: Be sure to connect the UA-25 directly to the computer. Do not connect to a USB hub while troubleshooting.
- Try uninstalling and then reinstalling the driver.
- Be sure that the sample rate setting of the UA-25 is the same as that of your recording software's sample rate. Check the sample rate of the project you are working on within your recording software (e.g. Sonar, Pro Tools, Logic, etc). If this needs to be changed, close down all software, disconnect the USB cable from the UA-25, change the SAMPLE RATE switch setting and then reconnect the USB cable to the UA-25.
- Note that if the UA-25's SAMPLE RATE is set to 96 (i.e. 96kHz), the UA-25 can either output OR input audio but cannot pass audio in both directions. This will depend on the REC/PLAY switch on the back panel.
- If SAMPLE RATE is set to 96 and set to REC, the UA-25 will only appear as an input device.
- If SAMPLE RATE is set to 96 and set to PLAY, the UA-25 will only appear as a playback device. - Connect to a USB 2.0 port on your computer only--or a USB 3.0 port with backwards compatibility. Check the USB 3.0 specifications of your computer to determine if there is complete support for USB backwards compatibility.
-
Log onto your computer as a user with administrative privileges.
-
Close/turn off system monitoring/anti-virus software temporarily--this may be preventing your computer from recognizing the recorder.
- Try disconnecting the UA-25 from the computer, download the latest driver, run the uninstall program that comes with the driver download, restarting the computer and then installing again:
https://www.roland.com/us/products/ua-25/downloads/ -
Check Power Management Settings (Windows):
a. Click on the Windows (or Start) icon on the bottom left of your screen.
b. Select Control Panel. The Control Panel window will appear.
c. On the top-right of the Control Panel window, set the “View by:” to “Small Icons”.
d. Click on "Power Options."
e. In "Choose or customize a power plan," select "High performance" or "Show additional plans."
f. In the High performance area, click "Change plan settings."
g. Click "Change advanced power settings."
h. In the Advanced Settings, click the “+” symbol for "Hard Disk," and click the “+”symbol for "Turn off hard disk after" to open it.
i. Click "Setting (Minutes)," and click the down arrow to change the setting to "Never."
j. Click [OK] to close the Power Options window.
k. Close the "Edit Plan Settings" screen. -
Check Performance Options settings (Windows):
a. Open "Control Panel," click "System and Security " or "System and Maintenance," and then click "System." If the Control Panel is in the icon view or Classic View, then double-click the "System" icon
b. At the left, click "Advanced system settings."
c. If a dialog box regarding User Account Control appears, click [Yes] or [Continue]. If you are asked to enter the password of an Administrator account, log on to Windows as a user whose Account Type is Administrator, then perform the settings again.
d. Click [Settings] of the Performance section, and then click the [Advanced] tab.
e. Select "Background services," and click [OK].
f. Click [OK] to close "System Properties." - Install the latest version of Windows or Mac OS X:
Windows OS Update
Mac OS X Update - If you're using Windows, install the latest Service Pack for Windows:
Windows Service Pack Update - Scan for viruses or trojans with any antivirus software installed.
- Did you install a device, install software or a plug-in, or make a change in Device Manager just before the issue appeared? If so, it's possible that the change you made caused the connection or noise issue.
Undo the change or uninstall the driver or software (if you can), restart your PC, and then troubleshoot. Depending on the changes you made, some solutions might include:
- Remove or reconfigure the newly installed device.
- Roll back the driver to a version prior to your update.
- Use System Restore to undo recent changes. - Test the UA-25 on a different computer to rule out a malfunction with the original computer being used.
- Contact the computer manufacturer and see if you can get an updated USB driver/controller installed--as a new version from the manufacturer may resolve USB issues with the computer you're using.