Install Hdf5 Library Windows. Hi Sandeep, Thank you for posting your query in Microsoft Community. I understand that you are facing issue connecting to the internet using BSNL 3G Data Card. To assist you better, do let us know if you receive any error message when you try to connect to the internet.

Original Title: 3G datacard not working in window 8 sir, I hv 3G datacard of Teracom LW272. It is working in Windows 7. Bt not in windows 8. I also check. All you have to do is change the registry value of the BSNL Bsnl 3g data card lw272 unlock software Teracom modem driver on. Of Bsnl 3g data card lw272 unlock.

I would suggest you to run the hardware and devices troubleshooter by following the steps below and check if it helps: 1. Type troubleshooting in the search bar and open it. Click on 'view all' on the left pane. Run the hardware and devices troubleshooter and follow the on-screen instructions.

In-order to identify if this is due to compatibility issue, I would suggest you to try installing the setup in compatibility mode by following the steps below: After you have downloaded the driver: a. Right-click on the setup file and select 'Properties'. Select ' Compatibility' Tab. Place a check mark next to ' Run this program in Compatibility mode' and select the appropriate operating system from the drop down list. Let the setup install and then check the functionality. I would also suggest you to update your drivers by following the instructions given by Andre Da Costa on If this doesn't help, I would suggest you to contact BSNL support center for further assistance.

If you have any Windows related queries, do let us know. We will be glad to help.

Some of the Teracom data card users are facing trouble with their data cards. We have tried to come up with some solution. Here is the list of some most common issues Teracom Data card users are facing: 1.Data card is not detected as Modem The device Status in Device Manager shows USB Mass Storage device and do not detected any 3G Modem in device manager list. The data card software window pop up mesage displays “No Device” Analysis: The data card with Ericsson chipset does not work with already installed software of Qualcomm chipset data card and vice versa and displays “No Device” Suggetsion: Always install new data card software after completely uninsalling the existing data card software, if any. Disabling of Audio Driver of PC In some cases data card is detected and connection is made but Audio Driver of PC is disabled.

Suggestion: After installation of data card, enable the audio driver of PC/Laptop once using GUI of 3G data card (Settings >Audio Device). If device is un-installed, then install it again, this step is to be done again to enable the audio driver of PC/Laptop. 3.Compatibility issue with Window 7 Suggestion: Teracom Data Card is compatible with Windows 7. If software does not install automatically, then install it manually. The install or run option may be enalbed from Start >Control Panel >Auto Play >Games & Software >Choose option for auto installation of devices.