If you want to change TwomonUSB→Twomon SE or Twomon SE→TwomonUSB, there is no way we can handle it.
In this case, there is only a way to repurchase it after receiving the refund. (However, refunds can be made within one month of purchase)

Question

Twomon does not work properly in Mac OSX

Answer

In order to use Twomon PC Program properly, 'Accessibility' and 'Screen Recording' setting must be checked.
Please check the following guide, apply the changes and execute Twomon PC Program.



Navigate to 'System Preferences' > 'Security & Privacy'




Select Privacy tab and select 'Accessibility' and check (allow) 'Twomon PC Program'


(10.15 Mac Catalina only)



Select Privacy tab and select 'Screen Recording' and check (allow) 'Twomon PC Program'


(Mac Big sur only)



Select Privacy tab and select 'Automation' and check (allow) 'Twomon PC Program'


Notes:
If settings are checked and still not working, uncheck and re-check again and execute Twomon PC Program.

If it does not work properly in Mac OS X 12, please refer to the following.

1. If the display does not load during connection and infinite loading occurs



　　Check Action Center > Screen Mirroring > Display not loading.




　　Click the Twomon Display button.




　　Press the Twomon Display button again to activate it.




　　Press the Use As Separate Display button to turn on the extended screen option.



2. When connecting only to the clone screen and not to the extended screen during connection



Turn on the Extended Screen option by clicking the Action Center > Screen Mirroring > Use As Separate Display button.

Question

Which product should I choose?

Answer

The table below shows the characteristics of each product.
If you are using the latest device (Windows 10 or later / iOS 11 or later, Android 6.0 or later), you can experience even better performance by using Twomon SE.




If you want to know more details, please refer to the table below.

Question

I would like to use the extended screen connected to Twomon vertically, but I do not have a vertical screen of the resolutions that I can select.

Answer

In Mac OS 10.13 or later, you can create an extended screen called 'Air Play',
which is supported by Mac OS, rather than the existing Twomon native method.

This is possible only select the resolutions supported by Air Play.

Problem

"You must enable the developer mode, and set the USB debugging options.

Solution

You must change the USB debugging option to Active in Developer Options.
If you cannot see 'Developer Options' in your device's settings, tap the 'Build Number' option more than 7 times to turn on Developer Options.

- Android 9 or later: Settings > About Phone > Build Number
- Android 8.0: Settings > System > About Phone > Build Number
- Android 7.1 and lower: Settings > About Phone > Build Number


If the "Developer Options" is turned on, set the USB debugging option to on.

- Android 10: Settings > Advanced > Developer options > USB debugging
- Android 9 and later: Settings > System > Advanced > Developer Options > USB debugging
- Android 8.0: Settings > System > Developer Options > USB debugging
- Android 7.1 and lower: Settings > Developer Options > USB debugging

Problem

While the duplicate screen is displayed and used, the touch input operates at a different position than the intended position.

Solution

The touch input may be input abnormally when the PC is rebooted during the duplication screen output, or after resuming from the power saving mode.
This is a problem with the Windows 10 OS and can be resolved in the following ways:

　　1. Press the Windows key + P to change to 'Extended' mode.
　　2. Press the Windows key + P to change to 'Clone' mode.

　　　 　or..

　　1. In the Display Settings, select the screen that is being cloned, and in the bottom of the Multi-Display tab, select "Expand Display".
　　2. If the screen has changed to expanded, select Clone again to set it as the clone screen.

Problems

Cannot install Twomon SE PC Program to my PC.

Requirements for using Twomon SE

Twomon SE cannot be used if the following conditions are not met.

　　1. Windows 10 version 1703 or later
　　2. Windows Display Driver Model(WDDM) 2.0 or later

Solutions

1. The way of checking Windows 10.

Press the Windows key + R key and type winver in the Run windows.




Make sure that the version is 1703 or later in the About Windows.

2. The way of checking the Windows Display Driver Model(WDDM) version.

1) Press the Windows key + R key and type dxdiag in the Run windows, then open 'DirectX Diagnostic Tool'


2) Select Display tab, then check the Driver Model version in Drivers section

Answer

You can select the desired display in 'Select Display' in the PC program options.



Please see the following link for 4 options: Description about each option

If you cannot choose Extend option, please contact us with PC/app log files.
Contact us

Answer

Twomon SE uses virtual hid device (touch, pen) and it is mapped to the display device with 1:1 mapping.
Since touch(stylus) input is calculated based on current display's scaling method, in order to use it properly,
we need to set the same scaling mode in the EL display Hub options as specified in the gpu's display settings.

[Intel Display]

Use Intel HD Graphics Control Panel (General Settings > Select Display > Scaling)

Mode
Maintain aspect ratio
Full Panel
Center

[AMD Radeon Settings]

Use Radeon Settings (Display > Select Display > Set Scaling Mode)

Mode
Maintain aspect ratio
Full Panel
Center

[NVidia Control Panel]

Use NVIDIA Control Panel (Display > Adjust desktop size and position > Select Display > Select a scaling mode)

Mode
Aspect Ratio
Full-screen
No scaling

Answer

No. Twomon SE supports touch input only.

Answer

Twomon SE does not support a color adjustment function. If you would like to change your displays' color, please change it directly on your device.

Question

Can I connect multiple devices to a PC via Twomon?

Answer

Twomon Products supports one device for a PC.

Problem 1

'Cannot run the Twomon SE PC program. Click the Details button to go to the web page for details.'

Solution

1. Please check if Twomon SE Virtual HID Bus driver is working properly.

[Windows PC]
　　1. Press the Windows key + R key and type devmgmt.msc in the Run windows, then open 'Device Manager'

　

　　2. Select View > Devices by connection (V) in the menu to align the drivers and confirm the 'Twomon SE Virtual HID Bus' and sub-drivers

　　3. Double-click the drivers, click General tab, then check the driver is working properly

2. Make sure that Twomon SE Service is running

[Windows PC]
　　1. Press Ctrl + Shift + Esc keys to open the Task Manager
　　2. In Services tab, check if Twomon SE Service's status is running
　　3. If it's stopped, right-clicking then restart the service
　　4. After running the service, run Twomon SE program

Problem2

'Apple Mobile Device Service is not activating. Please reinstall iTunes or restart the PC program after AMDS starts. Click the Details button to go to the web page for details.'

Solution

Make sure that Apple Mobile Device Service is running (iOS)

　　1. Press Ctrl + Shift + Esc keys to open the Task Manager
　　2. In Services tab, check if Apple Mobile Device Service's status is running
　　3. If it's stopped, right-clicking then restart the service


　　4. After running the service, run Twomon SE program

There are many reasons why Twomon SE does not work, but most can be solved by reinstalling the PC program.

If the problem does not solve the problem after reinstallation,

1. Make sure that the PC and tablet can send and receive files
2. Allow'USB Debugging' permission or'Cancel USB Debugging permission' and try again
The way of USB Debugging

Solution

Make sure that Twomon SE PC program works properly.

Please check if the Twomon SE PC program is currently running on the taskbar.
If the PC program is running, check if the Twomon SE driver is working properly.

[Windows PC]
　　1. Press the Windows key + R key and type devmgmt.msc in the Run windows, then open 'Device Manager'
　　2. Select View > Devices by connection (V) in the menu to align the drivers and confirm the 'Twomon SE Virtual HID Bus' and sub-drivers
　　3. Double-click the drivers, click General tab, then check the driver is working properly

Make sure that the display driver is working properly.

Please check if the display driver is working properly in the device manager.
If an error code occurs, please Contact us with log files.

[Windows PC]
　1. Press the Windows key + R key and type devmgmt.msc in the Run windows, then open 'Device Manager'
　2. Double-click the drivers, click General tab, then check the driver is working properly

Make sure that installed ADB driver is working properly.

Install the ADB driver provided by the manufacturer on the PC, and check whether the ADB driver works correctly after connecting a tablet to PC.

　　- A Samsung ADB driver download link
　　- A LG ADB driver download link
　　- A Google ADB driver download link

[Windows PC]
　1. Press the Windows key + R key and type devmgmt.msc in the Run windows, then open 'Device Manager'
　2. Select View > Devices by connection (V) in the menu to align the drivers and confirm the 'Android Device'
　3. Double-click the drivers, click General tab, then check the driver is working properly

Allow 'USB Debugging' permission or' Cancel USB Debugging permission' and try again (Android)

When you connect your android device to your PC, it pops up for allowing USB debugging. In order to communicate, you have to allow it.
If you don't see a USB debugging pop-up, please allow'USB debugging' in the Settings> Developer Options tab of your tablet and try reconnecting the tablet to your PC.



If you have denied USB debugging at least once, you can revoke USB debugging authorizations.

Please change 3D settings in NVIDIA Control Panel

If the graphics card does not support duplicate monitor, the connection may not be possible. Please change the setting as below.

　　① Right-click and select the 'NVIDIA Control Panel' menu.
　　

　　② Select the 'Program Settings' tab in Manage 3D Settings.
　　


　　③ In "1. Select a program to customize:", Click the Add button to open the program selection window and click the "Browse" button.
　　


　　④ Select the "ezcvs_service.proc.exe" file in the folder where EasyCanvas is installed (default C:Program Files (x86)EasyCanvas) and click the Open button.
　


　　⑤ Select "Integrated graphics" in "2. Select the preferred graphics processor for this program:" and click the "Apply" button at the bottom to complete the setup.
　　


[Windows PC]
　　1. Press Ctrl + Shift + Esc keys to open the Task Manager
　　2. In Services tab, right-clicking then restart Twomon SE Service
　　3. After running the service, run Twomon SE program

Connect to a USB hub with sufficient power supply or change the USB cable

Some devices may cause the hardware compatibility issues.
If not connected well, just in case, you can connect Twomon SE by changing other USB ports or a USB hub with an external power supply.

Answer

- PC OS : Windows 10 RS2(version 1703) or later
- Device OS : Android 6.0 or later

Under the following environments, Twomon SE does not work properly.

1. Windows environment using USB monitor (if using DisplayLink driver)
If you connect Twomon SE to a Windows PC using a USB monitor, There are some issues that change the behavior of the Twomon SE display driver and outputs a black screen on the USB monitor.

2. Virtual Machine Environment
It does not support Virtual Machine (VMWare, VirtualBox, Parallels, etc.) and BootCamp environment on Mac PC. If you use PC programs for Windows in this environment Compatibility issues may occur.

3. Environment not be installed ADB driver for Android device.
To communicate with an Android device in a Windows environment, you need an ADB (Android Debug Bridge) driver.
If manufacturers of your device does not provide an ADB driver that can communicate with the device, it is difficult for the PC to communicate with the device through the ADB driver.

4. Cannot sync iPad with iTunes(To communicate with an iOS device in a Windows environment)
You cannot use Twomon SE if you cannot sync your iPad to iTunes via USB.

This is how to register an inquiry when you have a problem.

First, extract the log of the app. After that, you accept inquiries through the PC program.

1. App log extraction

　1-1. Android
　　① Re-run the application on your device.
　　② Tap on the app version at the bottom right of the main page about 10 times, then make sure a created log zip file named 'com.devguru.ntwomon.log.archived.yyyymmddhhmmss.zip' in Download folder on your device.

　1-2. iOS
　　① Connect the device to extract the logs to a PC.
　　② Run iTunes and click it when the connected device appears on the upper tap.
　　③ Click ‘File Sharing’ in the list to the left.
　　④ Scroll down the updated screen and click the app (Twomon SE) to extract the log from the ‘App’ in the ‘File Sharing’ column. 　　　



　　⑤ Drag the log file at the bottom of ‘OOOO’s Documents' to each folder or desktop, etc., or select the file and save it by clicking the ‘Save As’ button at the bottom right. 　　　

2. Send inquiries from PC programs.

　[PC Program] - [Support] - [Inquiry] attach the app log and accept inquiries.
　You can also attach a captured image file of the current situation. 　　　 　　　

3. Manual log extraction method

[PC log]
1. Enter Windows key → "Run" → Enter "msinfo32" → File → Save
2. Files existing in C:ProgramDatadevguru path
3. Files existing in the C:Users{username}AppDataLocalDevguru path (accessible as %localappdata%Devguru)


[App log]
1. Re-run the app on the device from which you want to extract logs.
2. Touch the app version displayed at the bottom right of the main screen about 10 times to create TwomonSE.log.archived.yyyymmddhhmmss.zip in the Download folder.
3. Please attach the created compressed file to the Download folder of your Android device.

Question

When running Twomon PC Program, asks for a microphone access.

Answer

Microphone access is required during the Twomon PC Program to change the audio device to support sound output.
If you deny access to the microphone, the sound features supported by TwomonAir may not work.
In addition, TwomonUSB does not support sound function, so even if you deny access to microphone, it works normally.
Actually, it is not related to the function to control the microphone device, so please use it with confidence.

Answer

To use Twomon in High Sierra, you must allow installation of the software.
System Preferences> Security & Privacy> Allows ...
Please check "MATT INGALLS" and "DEVGURU Co., Ltd." and proceed with reboot after approval.


In a High Sierra environment, certain technologies may not work and may not perform well.

Question

Is there anything to prepare in order to use as main monitor using Twomon?

Answer

In order to use the Twomon as the main monitor, You need to set to directly move to the desktop when you boot computer.
So, you need to delete the password or set the "automatic login".

n order to use the Twomon as the main monitor in Windows PC,

　1-1 Press the Windows key + R to open the "Run" window then, enter "control userpasswords2".
　1-2 After that, uncheck the check box of "Users must enter a user and password to use this computer", and then click the Apply button.
　

　1-3 Enter login account name and its password, and then click the [OK] button to complete the setting of automatic login.


　1-4 After you install the Twomon PC program, change "auto-run" and "automatic connection" option to ON on the options tab.

In order to use the Twomon from Mac as the main monitor,

　2-1 Select the 'Users & Groups' of the system use configuration.
　2-2 After you select the 'Login Options', click the lock at the bottom, and then change the state to be possible to change by entering the password.
　

　2-3 If auto-login is set to "off", click it and select the account, then enter the password.
　

　2-4 After you install the Twomon PC program, change "auto-run" and "automatic connection" option to ON on the options tab.

Cause

If the Android device doesn't support multi touch, three fingers touch is not working.

Answer

Touch the edge of screen(left > right > left > right) in sequence.

　　 There is a hidden gesture same with 'three fingers touch' on device which is not supported multi touch.
　　 Firstly, touch the edge of left center and the edge of right center hand over hand four times.
　　 You can open the menu on device which is not supported if you touch like this within 2 seconds.
　　 ※Are you using the device which is not supported touch function?
　　 If standard mouse is connected to device, it can work as touch function.
　　 ※Twomon works properly on device that supported multi touch.