A:

1.The screen glass might be defective.

2. The  T-CON board or COF might be defective.

A：

1. If the backlight is on, while the screen glass off, you can refresh the main board software. If it’s still not working, you need to check the T-CON board, cables, etc.   

   
   

2. If the backlight is off, it caused by the short circuit of the inner strip light.

A：

Windows 1709 or 1803 (educational version, professional version); office2016 version;

requires install corresponding Intel graphics driver in Windows

A:

1.Make sure the Bluetooth has plugged into the front USB port.

2. Make sure the smart pen has power.

3. Make sure the Stylus Driver had installed in Windows.

4. Check if the nib goes blink when pressing the connection button of the stylus pen.

NOTE: If everything is OK mentioned above, but it still cannot connect, pls restart Windows and load the driver again.

A:

Use the scan function of the browser in the Android phone to scan the QR code in the interactive flat panel, and then download the wireless presentation software .

A:

1.Check if the registration of the casting software is activated.

2. Check if the mobile phone supports connect 5G hotspot.

3. Make sure all the authority have been enabled when download the casting software.

4. If the screen cast is still unavailable, please refresh the Android firmware or reset the factory settings.

5. If the 2861 main board can not cast after sign in, it requires reset the factory settings, and connect hotspots for registration.

A:

1.Check if 5G hotspot is enabled.

2. Check if the registration of the casting software is activated.

3. Check if the caster is matched with the Android main board.

4. Check if it has installed the cast driver on computer.

5. If the screen cast is still unavailable, please refresh the Android firmware or reset the factory settings.

6. If the 2861 main board can not cast after sign in, it requires reset the factory settings, and connect hotspots for registration.

A:Use the touch overlay software to test

Use the touch overlay software to test

1. The connection cable of frame is broken.

2. The lamp of the frame is in poor contact.

3. The connection cable of frame is loose.

A:Open Intel graphics driver, set the resolution and refresh rate as: 190*1080 60PHz; 3840*2160 30PHz, and restart OPS after saving your changes.

A:

1. Use the touch overlay software to calibrate

2. Check Pen and Touch under the Control Panel in the Win7 system

NOTE: For the optical touch panel, it requires the user to calibrate the frame on OPS after installation.

A: 1. No sound on the interactive flat panel?
(1) Click the Volume icon in the taskbar’s notification area, and click the Volume Mixer to change the sound player;

(2) If it is still not working, follow the steps: Start > Control Panel > Hardware and Sound, right click on the Realtek High Definition Audio, and choose the command of “Set as the default communication device”; if not, try other modes as the default mode, and test the sound.

(3) For Windows 10 OS, click the Volume icon in the taskbar’s notification area, select the command of "Conexant SmartAudio HD" by the button’s drop-down menu.

2. How to adjust the volume of the Thinkpanel interactive flat panel?
(1) Swipe up at the bottom of the touch screen to bring up the toolbar interface. Click “Vol+" button to adjust it to 100, as shown below:

(2) Click the Volume icon in the lower right corner of the interactive flat panel’s screen, drag the slider to increase/reduce the volume, as shown below:

(3) Adjust the volume of audio or video software.

A: 1. Open the Start menu on the desktop;

2. Click on Control Panel;

3. Choose “Hardware and Sound”;

4. Select "Tablet PC Input Panel" under the "Tablet PC Settings";

5. Click “Reset” and then click the “Calibrate” button to calibrate according to the on-screen instructions, as shown below:

6. After finish the calibration, select "Confirm and Save”, and test the touch function.

A: 1. After connecting to the computer, switch on the projector and set the aspect ratio. The aspect ratio of the 85” infrared IWB is 4:3. Besides, you can set the color, brightness, contrast, etc. as needed.

2. Keystone correction, in other words, is whether the projected image is a rectangle. If it is a trapezoid, close the "Auto Keystone Correction" option, select the "Keystone Correction" command, pressing the left and right buttons on the remote control adjust it until the image is evenly rectangular.

A: The touch stops working usually due to the USB port. The port may be aging since the computer is used for a long time. If the computer is used for a long time, it may result in the aging port.
1. Try another USB port. If it doesn't work, try another computer.
2. If it doesn’t matter with the computer, contact the after-sale service for a new USB cable.

A: 1. Verify the computer is Windows XP or Windows7 operation system.
(1) Click the Volume icon in the taskbar’s notification area, and click the Volume Mixer to change the sound player;
 

(2) If it is still not working, follow the steps: Start > Control Panel > Hardware and Sound, right click on the Realtek High Definition Audio, and choose the command of “Set as the default communication device”; if not, try other modes as the default mode, and test the sound.

2. For Windows 10 OS, click the Volume icon in the taskbar’s notification area, select the command of "Conexant SmartAudio HD" by the button’s drop-down menu.

A: Press the Menu button on the projector remote control, turn off the state of the “Auto Keystone Correction” on the third page; choose “Keystone Correction” option, and adjust the slider to correct the image shape by pressing the left and right button on the remote control.

A: 1. Wipe the Thinkpanel interactive whiteboard frame gently with a clean wet cloth.
NOTE: The wet cloth must be wrung out, do not let water drip into the frame.
2. Do not hold the interactive whiteboard by hand or do not use any objects to block the inside of the interactive whiteboard frame when writing or operating. It will cause inaccurate touch or digital ink.

A: 1. The image is fuzzy: Adjust the black wrench under the projector bulb by moving it to the left and right until it occurs a clear image. As shown below:

2. Image distortion: After connecting the projector, right-click on the desktop and select the Screen Resolution. Just adjust the resolution to 1024*768

A: Check which port the projector is connected to the computer by pressing the Signal button on the projector remote control. Then change to the corresponding signal.

A: 1. Recalibration. Hold the pen as far to the nib as possible on the center of the calibration dot. The angle between the pen and the screen needs to be 90 degrees. Try to prevent the hands or other opaque objects from blocking the infrared frame, to avoid the inaccurate touch after calibration.
2. Check the resolution of the projector and the computer. A mismatch of resolution between computer and projector will cause inaccurate touch.
(1) Change the computer’s resolution to 1024*768, and check whether the touch or ink is accurate after recalibration;

(2) Unplug the HDMI or VGA cable that connects the computer to the projector, and adjust the resolution of the computer to 1024*768; plug in the output cable of the projector to connect to the computer, then adjust the resolution to 1024*768 and recalibrate it to check if the ink is accurate.