Power adapter for HP NX-L510 = where to find/fix

The end has wires partially pulled from it and I couldn't find a new end at RadioCrack. So... it does not say HP (made in China) but was bought with the laptop from Fryes. Shows model 335C2065 on the adapter. Input 100-240 V 50-60hz. Output of 20V, 3.5 A. The laptop is POS, but better than nothing. However, I can't see putting more than $20 in it and the 'universal' adapters cost too much or don't have the right end fittings on them.

Any help is appreciated.