How to make Disk Drive visible in Windows 8.1

How to: Windows 8.1 CD Drive, DVD Drive not visible in File Manager.

Issue:

After installing Windows 8.0, Windows 8.1, the CD/DVD drive does not appear in My Computer, FileManager, Windows Explorer or in the Control Panel under devices.  CD or DVD drive is missing or not recognized by Windows or other programs.  ...and yet the CD worked during the install.

Fibonacci Series

Fibonacci series in c using for loop

/* Fibonacci Series c language */
#include<stdio.h>

Adding Drop Down Menu to Your Blog

Many of the bloggers  finds difficulty to manage their Navigation Menus because of  numerous labels and links. Due to which their blog looks dull and messed. Beside this the blog readers also finds difficulty to find the required labels and links.