What can I do with a old PC power supply? Old computer power supplies are a great resource for ham radio gear, CB radios, chargers, or any other item that needs a regulated 12 volt source. Many of these older … Continue reading →

Not every power supply unit (PSU) is compatible with all motherboards as there can be a difference in the configuration between the two equipment. However, most motherboards and PSUs on the market follow the ATX standard of configuration. So, they … Continue reading →

Hi, .. . Transformers work with AC not DC. . . . So there is no positive wire or terminal. . . . If there is any mark on a transformer, usually a Dot, that indicates Phase relationship, not positive. … Continue reading →

In particular, always hold the cable by the plug when removing it from a device or USB port. Suddenly pulling a cable out without doing this will put pressure on the weakest part of the construction, where the cable joins … Continue reading →

The serial number is usually on the printed label on the side or back of the product, following the: SN or S/N or Serial Number. Where is the serial number on a laptop charger? The serial number of the charger … Continue reading →

black wire. The black wire is the “hot” wire, it carries the electricity from the breaker panel into the switch or light source. The white wire is the “neutral” wire, it takes any unused electricity and current and sends it … Continue reading →

14- and 16-inch MacBook Pro battery life  13″ MacBook Pro (2020) 16″ MacBook Pro (2021) Wireless web battery 17 hours 14 hours Video playback 20 hours 21 hours Included power adapter 61W USB-C 140W USB-C + MagSafe Battery capacity … Continue reading →

If you find your Mac is running slowly, there are a number of potential causes that you can check. Your computer’s startup disk may not have enough free disk space. To make disk space available, you can move files to … Continue reading →

btw, you can use any charger, of reasonable wattage (Amps), in the voltage range of 18V – 19.95V. there is a +/- 5 to 10% voltage tolerance in such things. thanks for the advice, I will not be doing any … Continue reading →

Now let’s look at some signs your Mac is at the end of its life. You Can’t Run the Latest Version of macOS. You Mac Constantly Lacks Free Space. Your Mac’s Hardware Isn’t Powerful Enough. Your Mac Has Major Hardware … Continue reading →

Yes, your watch will be fine. No power converter is required. Apple’s chargers run on any voltage from 100 to 240 volts, so 220 is not a problem. Does Apple Watch need A voltage converter? Apple says “As part of … Continue reading →

First, right-click the Windows desktop and choose Display Settings. Scroll down to Display Resolution and set it to 3,840 by 2,160 (it should say “Recommended” in parentheses next to it). This will ensure your PC is outputting a 4K signal. … Continue reading →

How do I downgrade from 4k to 1080p? Effective Ways to Convert 4K Video to 1080p Press “Select files to start” and then browse the local 4K video. Press the button of “Settings” and then drop down the menu of … Continue reading →

In short, transcoding is the process of converting one compressed (almost) losslessly video to a better-compressed video format. This is how video compression works as it moves from your computer to another local device. What do you mean by transcoding? … Continue reading →

Apple recommends you charge their laptop first before using it. That is because they always ship MacBook with low power which may not be enough battery for the MacBook setup. You can charge your new MacBook whenever you want. Should … Continue reading →