Don't try to fix it. Take it back to Argos for a refund. If it over 12 months old, demand a refund under the Sale Goods Act. Which reckon that TVs should last five years.
T
January 2009
Automatic Answer
While you wait for answers, we may have found some information which could help you.
howtomendit.com for free repair help, information and advice.
Try fixfault.com to fix televisions.