2-Right-click the HTC software and select uninstall. 1-Press Windows key + R to get the run window, type appwiz.cpl and click ok. Go to Device Manager (right click on My Computer, choose Manage and then find Device Manager in the left panel) 2. In order to manually update your driver, follow the steps below (the next steps): 1.
Please reconnect your device(4)" I have tried different settingPleases on my phone under "USB network settings" mostly "Smart network sharing". I would suggest you to repair the HTC software installed on the computer and check one more time. The package provides the installation files for HTC Sync Manager Serial Interface Driver version 2.0.6.26. Then, after about a minute, I get another pop-up saying,"Device unavailable. Sense 5 on Android 4.1.2 is quite possibly the boldest step HTC's ever taken in terms of Android interface, in the hopes of offering a radically simple experience out of the box. Locate the extracted directory containing the driver i.e 'HTCDriver64\HTCDriver\Driver Files\Vistać4' 6. Find your HTC Device under USB Devices or Android USB Devices. When I click on "Check for firmware updates" I get a "Yes" answer and after a few minutes the phone appears in the Sync manger window saying "Phone connected Loading data". Click Device Manager in the Left hand pane 3. I've tried choosing different choices and not choosing anything. When I first plug in my phone, I get the windows sound and 3 windows on the upper right of my laptop asking what I want to do with the phoneq and the CD rom. Connect your phone to your computer again.
Check for the latest version and install the update. Download the software from the HTC support site: htc.com/hsm/. When the HTC Program Launches no errors, only now Synchronize Now is grayed out and my option is Sync Manager which appears disabled and in the lower right corner of this window is Disconnected. I've installed the latest version of HTC Sync manager and when I attach my phone with the USB cable, it shows up in my Windows Device Manager working correctly. Uninstall both HTC Sync Manager and HTC Driver. I launched HTC Sync, my Droid ADR6300 is plugged in recognized as Connection Type Disk Drive.
I have a Windows 8.1 64bit laptop and the Verizon version of the M8. I've got the same problem as the OP, but installing the universal adb driver didn't help.