My name is Saurabh.
There are primarily two possible reasons why the media control panel located above the keyboard is not working.
1) Quick set utility is not installed in the system. Kindly go ahead and try installing the appropriate quick-set utility. If system has Windows Vista 32 bit operating system, please download and install the utility by clicking this link: http://dell.to/P9Ebpq
And if the operating system is 64 bit, use the following link: http://dell.to/Mutqif
Note: To check the operating system detail, please Click Start , type system in the Start Search box, and then click system in the Programs list.
The operating system is displayed as follows:
> For a 64-bit version operating system: 64-bit Operating System appears for the System type under System.
> For a 32-bit version operating system: 32-bit Operating System appears for the System type under System.
2) If none of the light indicators are displaying light, could suggest a disconnected cable from the motherboard.
Kindly try performing the first step and see if that works.
Thanks & Regards
Edited by Orange Blossom, 11 August 2012 - 06:49 AM.
Removed spammy content. ~ OB