Thank you very much for suggestions. I will see and try to solve the problem

Thank you fruit-uk for kind explanation. I am a Linux user and currently working on Linux mint 17.1 I have been trying to solve the problem by connecting SD card to Linux system. I am not sure which file would have affected in /boot and hence not able to proceed. I tried editing /etc/ fstab file wit...

Thank you very much for giving a thought for my problem and reply.
Could you please elaborate the last point mentioned in ur suggestion? I could not get it clearly.

Hello, Thank you for the reply. 1. I did not try running from rootfs on the new drive. In fact, this problem started when I tried to boot the pi first time after connecting hard drive to pi. 2. The rainbow scree is the bigger rainbow screen which we see during boot process and not the small icon. 3....

Apology for no attachment in the question asked above. Please find the image as attached here.

I am using Raspberry Pi 2 and after the attempt to connect the external USB hard drive ( Seagate 1TB) to raspberry pi, It is not booting properly. When I switch on the pi, I see the rainbow screen then press shift for recovery mode and then white screen with message 'Select os to boot' without any o...

Thank you very much for the reply.
I will do accordingly.

Thank you for the reply.
I am using python2.
However, I tried installing external libraries twice as suggested but still getting the same ImportError: No module named Raspberry_Pi_2_Driver.
I am still trying to solve this..
If you could suggest me anything further on this, I would be very thankful.

Thank you for the reply.
yes, I followed the instruction in the mentioned link.
Also found the driver in source folder and the code is in the same folder as the driver is in. still i get this error and don't know how to get rid of that error. could you suggest something?

Need help on 'How to install Raspberry_Pi_2_Driver?' I have searched for Raspberry_Pi_2_Driver but could not get relevant info. Following is the python code lines for programming DHT-22 sensor on Raspbery Pi 2 model B. Please give your suggestions on this. code for DHT-22 sensor in python : >>> impo...