ReadyBoost is a storage technology available in Windows 10 that lets you enhance PC performance by using ordinary USB flash drives as fast disk caches. Debuting in Vista, ReadyBoost was once cutting-edge technology. But does it still make sense with today’s PCs? That’s the main topic of my column in this week’s AskWoody Plus newsletter. My…
Author: Fred Langa
“Why is there no considerable technical development in laptop and phone chargers over the years?”
(Answer requested by Prapat Saxena) I disagree with the premise of your question. Most charging is by USB these days. When USB 1 came out in 1996, it supported 5 volt/0.5amp charging; 2.5 watts. Today’s newest USB charging supports up to 20 volts/5 amps; 100 watts. And there are now wireless charging options, too. I’d…
“If someone ran all his anti-virus software but can’t get a weird bug removed, what should he do next?”
(Question submitted anonymously.) Full question: “If someone ran all his anti-virus software but can’t get a weird bug removed off his PC that opens a bunch of tabs and takes pictures, what should he do next?” “Someone?” You asking “for a friend?” 😉 You mention “opening tabs” so I’m guessing you mean your friend’s browser…
“What drains the battery the quickest on a smartphone?”
(Answer requested by Benjamin Woods) There are three main drains: The Screen, with three major subcategories: brightness, pixel density (e.g. HD, FHD, 4K, etc.), and refresh rate. In all cases, lower settings yield better battery life. The Radios — voice, cellular data (3G/4G/5G, etc.), Wi-Fi, Bluetooth, NFC, etc. — all consume power; sometimes even when…
“Why does a device with no battery have enough battery to show me there is no battery, yet does not let me do what I want to?”
(Questioner requested anonymity) On Li-ion consumer devices, “0% battery” doesn’t mean “no energy” but rather “no energy available for anything except to wait for the next recharge.” That’s because Li-ion batteries require careful regulation of volts, amps, and temperature. The charging circuits need to save the last few percent of battery for themselves, so those…
“Today I hit my laptop because I got angry…”
The note from “K.A.” was confessional and a bit anguished: “Today I hit my laptop because I got angry and I’m stupid. The screen glitched and it just rebooted. It went back to work just fine, but I’m paranoid. Did I cause damage? It’s an old Acer.” The four tools you’ll need to find and…
New Win10 version (“2004”) first impressions
Earlier this week, Microsoft released the semi-annual refresh of Windows 10, this one dubbed “2004,” meaning it was finished last month, 2020-04. So far, I’ve updated four PCs, including my primary-use, personal system. All have gone smoothly, with nary a hiccup. Microsoft’s install routines seem to be getting better at picking up existing software, too….
“What is the difference between sleep, hybrid sleep, and hibernate on a laptop?”
(Answer requested by Shreya Mehta) In sleep mode (sometimes called suspend), your PC goes into a low-power state, consuming just enough electricity to keep the RAM contents intact; to monitor for system events (such as a key- or mouse-click, or closing the lid on a laptop); and to run similar low-power processes. The major advantage of standard sleep…
“How does some malware manage to survive a smartphone factory restore?”
(Answer requested by Lilly Vugheen) Android smartphones keep a spare copy of the operating system on hand, stored in protected files. These files are what’s used to rebuild the system after a factory reset, or a root. Rare but virulent Android “xHelper” malware can break into and alter the protected files. So, when you reset…
Security risks: Wired Ethernet vs. Wi-Fi
My column in this week’s ASKWOODY PLUS* newsletter discusses wired Ethernet vs. Wi-Fi security; provides information on Win10’s built-in “packet-sniffer” tool for examining raw network traffic; and discusses whether you can install Win10 via USB from an Android phone. Also in this week’s ASKWOODY PLUS* newsletter: WINDOWS 10: Cheap Windows 10 product keys — Are they…