Offical Name of Dell/HP Common Laptop Power Jack/Plug
128201
3 Contact Laptop Power Supply
68560
Is it safe to use a power supply with a different laptop?
7362
Laptop power supplies, does current matter?
28526
Power, Voltage, Current Supplies
78023
What is the difference between a PDU and a power strip (both 120V, 15A)?
23833
Can I use a power adapter with more current but lower voltage on another laptop?
89981
Can I safely connect the power-only-end of a USB-Y cable to an other power source?
108626
Power on/off USB ports
150706
Identifying USB devices
21752
Deciphering a DC jack schematic
66486
How do I update the BIOS of a Dell laptop?
42019
How can I check if my laptop's 3.5mm audio port works with a microphone?
132872
How to retrieve current wattage info on OS X?
70251
Can I charge a computer through its USB port?
106741
Find the power supply hardware information for a PC using Ubuntu's command-line
139232
What electronic component of a computer produces (sound) noise?
123978
Why is this power adapter transformerless?