Installing USB and ADB drivers of your HTC One M8 is very important because it allows your phone to communicate with your computer. Without USB drivers, even though you have connected your phone to your PC using a USB cable, the phone will charge but the PC will not recognize it.

Contents.Common ErrorsIf you receive 'Unable to connect to DejaOffice' or 'Unable to find an Android device' please follow these steps below to resolve your issue.1. Restart your Android device. This fixes the issue about 90% of the time.NOTE: For most phones, press and hold the power button, then tap 'Restart'.If restarting doesn't solve the problem, go on to step 2.2. Make sure USB debugging is enabled on your device.3.

Make sure the correct ADB drivers are installed on your PC.4. Make sure your PC recognizes your device as an ADB device.a. Right-click your Computer icon (or My Computer) and choose Manage.b.

In the Computer Management window, click Device Manager in the left window pane.c. Look for your device's ADB interface in the list. This will be an entry with 'ADB' in its name.NOTE: Usually, the ADB entry will show under the heading 'ADB Interface', or 'Android Phone' (or similar), but sometimes it will show under the manufacturer name instead (e.g. 'Samsung', 'HTC', etc).5.

If your device does not appear in Device Manager as an ADB device, please try the following.a. Disconnect, then Re-connect the device from the PC.b. Disconnect your device, un-check, then re-check USB debugging (see step 1 above), then re-connect the device to the PC.c. Change your connection mode. If the device is in MTP mode, switch to PT (Camera Mode).d.

Reboot your device.e. If this does not solve the issue visit the link below:If you are on Android version 4.2.2 (Jelly Bean) or newerStarting in version 4.2.2 of Android, you must agree to allow your computer to access your device in debugging mode. You should say OK to this prompt on the device - and click to always allow connections to your computer.Error: Found an Android device, but unable to connect to DejaOfficeThis message indicates that CompanionLink was able to communicate with your device and that the proper drivers are installed and working, but DejaOffice is not responding to CompanionLink.