The power supply on a computer transforms the alternating current from the wall outlet into a direct current flow that the computer's components can use. Testing the DC voltage output of the power ...

Triple 100W USB-C ports and built-in cables deliver serious laptop charging on the go.

Standard ATX power supplies aren't designed to turn on unless they are properly connected to a motherboard. This helps to ensure that they can't power up and damage computer components if the plug isn ...

Using TOP269EG off-line switcher IC, (U1), in a flyback configuration can be designed a very simple high efficiency notebok laptop power adapter.TOP269EG IC has an integrated 725 V MOSFET and a ...

My girlfriend has an old HP laptop, but needs a second charger for her current Toshiba. I've checked the details of both chargers, and just need a sanity check before I plug the HP's charger into the ...

Modern power banks have long provided enough power to reliably charge not only smartphones but also laptops. But not every model is suitable for laptop charging. To make sure you don’t spend money on ...

Power supply. This is perhaps the most critical part of any computer that still gets overlooked by many. But the thing is, a PC can always be built without a graphics card (assuming that you picked a ...

Most computer builders in the world think I'm nuts for endorsing the use of 330 watt power supplies for a high-end performance computer. Conventional "wisdom" says that anything under 500 watts is ...

Configuring a custom gaming PC is both fun and rigorous work. First, you get to research your components –- case, motherboard, CPU, GPU, memory, storage, peripherals, cooling, and power supply unit.

If your laptop battery isn't charging, first make sure there is no problem with your power adapter and cable. On a modern laptop that charges via USB-C, make sure you're using the right USB-C port.

If you have access to a dead computer power supply you can use the case, power switch, wiring, and power port along with a 5v lead acid battery and a landscaping lamp bulb to create a rechargeable ...