WebOct 21, 2016 · I have a similar Dell laptop power supply (CN-ON6M8J) and connected the blue wire to the white wire with no problems. It puts out 19.64 volts. I got the same reading before I connected the blue wire to white. But then I accidentally shorted the white and black wires and the power supply shut off and its LED went out. WebThe blue wire in a HP laptop charger is used for protection against overcharging. It either connects to a circuit that measures charging current, and then sends a signal to the charger to reduce the current when it reaches a cerain level, or it connects to a thermistor in the battery itself, which sends a signal to reduce the current if the ...
How to Identify Positive & Negative Wires: AC, DC, & More - WikiHow
WebFind many great new & used options and get the best deals for Original HP Laptop Charger Pavilion Gaming 15, 17,/Zbook 15 G3 G4 G5,G7,Blue tip at the best online prices at eBay! Free shipping for many products! ... JOBLOT x 50 MIX SIZE UK POWER LEAD CLOVER LEAF CABLE PLUG LAPTOP CHARGER. $33.57 + $21.07 shipping. New Original HP … WebWe had to change the cable of a laptop power supply but found more interesting wiring that we expected. And the power supply wouldn't come apart.Audio and v... corbion slager
How do I wire up an aftermarket USB Type-C connector …
Web1 day ago · Find many great new & used options and get the best deals for For HP Desktop Pavilion Laptop Charger AC Adapter Power 90/65W/45 watt Blue Tip at the best online … WebOct 25, 2024 · Attach 1 lead to each wire. Clip the small alligator clip on the red lead to the end of 1 wire and the clip on the black lead to the end of the other. Look at the reading on the screen—you'll see a number and either a + or – sign. [8] The number is the voltage reading. The + indicates positive current. WebIf this is in reference to the many Dell machines using the 3 pole 7.4mm barrel connector the 3rd wire goes to a 1 wire serial chip that the laptop reads to find out which wattage … famous to be kids