Synaptics TouchPad stopped working - Acer Aspire 5100
 

I have an Acer Aspire 5100 running Windows XP. I recently installed a LightWave USB TV/AV Combo TV aerial unit to enable me to watch TV on my laptop. I live in Uganda so don't have many options apart from this in my place. Everything was fine for a day or so and then my Touchpad stopped...