Stuck here at the moment wondering if anyone has any ideas the other halfs in the final year of a degree and has an assignment due in 48hrs all her work is on her netbook which has just died iv figured out its the dc jack port

Does anyone know were i can walk in and buy one of these http://www.amazon.co.uk/gp/aw/d/B00I78R9UG/ref=ox_sc_act_image_1?ie=UTF8&psc=1&smid=AMYP6KGWT W6W9

I need one asap iv rang a few local computer shops all saying 5 or 6 days amazon cant get one to me until 21-25th march any suggestions