How to repair or buy a laptop AC power adapter cord??

My Toshiba tecra M2V-S310, AC power adapter, SEAMS not to be working. The cord SEAMS to be the problem. Where is the cheapest place to buy a replacement or/and how to repair mine?? a) How dose AC to DC power supply open up? So I can, sodier the cords? b) Where can I buy a replacement? c) What should a... show more My Toshiba tecra M2V-S310, AC power adapter, SEAMS not to be working. The cord SEAMS to be the problem.

Where is the cheapest place to buy a replacement or/and how to repair mine??

a) How dose AC to DC power supply open up? So I can, sodier the cords?

b) Where can I buy a replacement?

c) What should a replacement COST?

d) Which brand and style should I replace it with?

e) What you think of the quality and reliability of the multi-compo units, those do both AC-home to DC-Car that have changeable tips for multi units?

FYI

I'm every good at electronic repairs; just can not figure out how to get this thing open.

In-addition toe the quality to these entire online adapters compare the Targus & Kensington models on he market


PS

I also could use a new batter, got any sugestions?
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