T-Power AC Adapter Compatible with AG Neovo F-17 S19 S-15V S-15T M-15 LCD Power Adapter AC,DC Charger Supply Cord Plug

ah my wife's computer is on the blink it's a desktop with a 20 inch Samsung LCD display two-and-a-half years old it's plugged in all the time and just reached on maybe once a day but they is powered off but not drawing any current from the unit because the screens off anyway this thing the screens don't go off on its own it got worse and now it comes on for a second or two and then goes off and then stays off as you see from this power supply it's supposed to be there 14 volts 2.5 amps and it's not working and if I just rest the scope probe on it here it is there's just main some there's no HF activity and in fact I did catch it when it did power up and I could see the 70 of kilohertz noise from the flux and the transformer so it's not working it's dead and if we just quickly wheel in the old voltmeter what we've got remains the end of that wire con laters so one of these are actual typ