How to Fix a Computer

This is finding some of your vulnerability using Lynis. This tool Lynis is used on Unix and Linux type operating systems (sorry windows). So lets get started What Is Lynis and How to Install Lynis is a security checking tool which can help you harden your security defenses. ...more

Like a computer, your brain can store and process large amounts of information. It can remember names, solve math problems, and save tips that you might need at a later time. Unlike a brain, though, computers tend to collect information that might not be important. Not only t ...more

TWRP won't be ready for the Pixel 4 and 4 XL until months after release. But since you can already root with Magisk and tinker with the OS, you might find yourself in a situation where your phone won't boot, yet you don't have a custom recovery installed to fix it. Luckily, th ...more

Making a NANDroid backup can save you from all sorts of flashing-related mishaps and accidents. Bootloops, SystemUI crashes, accidental wipes, bad ZIPs, or a dozen other possibilities—there's almost no condition in which a NANDroid is unable to correct problems with your devic ...more

Flashing ROMs can be a tricky process, and sometimes you can end up leaving yourself without a ROM at all, often referred to as a soft brick. If you accidentally wiped your internal memory before a flash or forgot to download the ROM before wiping your system partition, don't ...more

APOLOGIZE Hello my masters and colleagues, first of all I would like to apologize for my absence during the past month, to say that i was busy with some projects and decide to leave the white-side for a while and made some visits on the dark-side(every good COP has a dealer f ...more

If you're the de facto tech support person in your family or circle of friends, you know how frustrating it can be to have to hold someone's hand and walk them through every troubleshooting step. Luckily, several options now exist for you to remotely access a Mac or Windows PC ...more

Among the revelations uncovered during the December unveiling of the Magic Leap One: Creator Edition was the fact that the Lightwear augmented reality headset would be tethered to a wearable computer called the Lightpack. Now, according to a recently-published patent applicat ...more

Greetings my fellow aspiring hackers, It's still Christmas and we have a lot of things and hugs and kisses and ... to share ( you know the things that you do ). I have never done this before but I just felt to encourage you on the quest for knowledge, security and defence, sk ...more

If you're seeing "damaged" apps on your Mac, you're not alone. A huge digital rights management blunder in Apple's Mac App Store on Wednesday, November 11th has rendered some apps unusable. When opening certain apps, the following message could be displayed: "[App Name]" is d ...more

Heartbleed, move over. There's a new bug in town, and this time it's also affecting Mac and Linux computers. It's called Shellshock (its original official title is CVE-2014-6271), and it's currently got a 10 out of 10 severity rating over at the National Cyber Awareness System ...more

The iPhone XS, XS Max, and XR aren't the newest devices from Apple Inc., but all three have a serious problem in Messages. When sending a friend an SMS/MMS text rather than an iMessage, the phrase "Number changed to Primary" appears in front of every message. What gives? If th ...more

It wouldn't be iPhone season without a new controversy. Chargegate, Apple's latest PR nightmare, is the name being used for charging issues on some iPhone XS and XS Max devices. If you plug in your iPhone at night — or whenever — then wake up or come back later and see that yo ...more

If you use a wireless mouse or keyboard, you could be leaving yourself open to attacks from hackers. Researchers at Bastille had discovered in January 2016 that attackers could make use of a cheap $15 antenna to sneak into your computer through a wireless mouse or keyboard don ...more

Before I start this tutorial, no, this is not that "Effective. Power." text that is going around. With that being said, let's talk about this attack. Hello, my hacker friends! Today we are going to look at how hackers can take advantage of the system, and repeatedly crash the ...more

The beauty of having a Google Play Edition HTC One is the ability to get as close to stock Android as possible while still getting some extra non-Google, proprietary HTC features. The newest version of Android, 4.4.3, has just hit the Nexus and Google Play Edition line of phon ...more

If your new 2020 iPhone SE is frozen, unresponsive, or won't load the system, and a standard power down and up procedure didn't work, there are few more things you can try. Force-restarting the device may do the trick, recovery mode is a last-ditch option, and DFU mode is your ...more

It can be extremely frustrating when you've forgotten the pattern you use to lock your smartphone, and even more so if someone has managed to prank you by changing it. Luckily, there's an easy fix if you know the username and password for the Gmail account you used to set up t ...more

Apple just released the third beta for iOS 11.3 on Tuesday, Feb. 20, which comes exactly two weeks after the release of iOS 11.3 beta 2 that brought battery health data and performance-throttling controls. At first glance, iOS 11.3 beta 3 seems to be mostly under-the-hood impr ...more

If your phone has an unlocked bootloader, you can use Fastboot commands to flash factory images. That may sound like a bunch of technical jargon, but when it comes down to it, this is the best method for updating a rooted device, fixing a bricked phone, reverting to stock, or ...more

This time it's serious. Really. The largest web security vulnerability of all time went public on Monday, April 7th, 2014, resulting in widespread panic throughout the Internet as system administrators scrambled to secure their websites from the OpenSSL bug known as Heartblee ...more

We've all seen the blue screen of death at least one time in our lives. I grew up using a Windows PC about the size of a small refrigerator and that damn screen popped up at least once a day. Thankfully, errors like these happen much less often, but now that our smartphones ha ...more

UPDATE: A patch to fix the exploit has been released. Download it here. A new vulnerability in Java 7 has been added to the BlackHole exploit kit and Metasploit that allows malicious software to be installed on Windows, Mac OS X, and Linux computers. So far, it has only been ...more

Cases and stickers are always great, but they aren't the only way to customize an iPhone. The software on your device is full of customization options, from a better-looking home screen and cooler lock screen wallpapers to app icon changes and a system-wide dark mode. There's ...more

Update: June 19, 2014 Android 4.4.4 has been released, fixing a small security bug in 4.4.3. The factory images have already been made available to all current-generation Nexus devices, and I've linked them out below. This does not affect the process depicted, you can still u ...more

DIY foldable table for small apartments and workshops. It has unique way of folding. This one is made from old computer desk. It is an easy do-it-yourself project, even for woodworking beginners. See whole tutorial here: Foldable table, recycling of old table. I got old comput ...more

After a two-month delay, Apple has finally released iTunes 11, which was initially slated to be released alongside iOS 6. Video: . The new highly revamped music player is a substantial upgrade from the old version, but that isn't really saying much; iTunes has never really had ...more

Bootloops are a risk inherent to rooted devices — with great power comes great destroyability, after all. While custom recovery sometimes provides a quick fix when you flash the wrong Magisk module, with TWRP becoming more challenging to implement thanks to Android 10, the sol ...more

Harry Potter: Wizards Unite has gained quite the fan base since its launch, but not without a few bumps along the way. Niantic, the game's developer, has a long-running history with trying to block all root users on Android. The methods will vary for each game, but this time a ...more

Software update notifications are meant to be a reminder to keep your operating system and apps up to date, but that doesn't mean that they never get annoying. I get a notification telling me to update every day. Not that there's anything wrong with this, but sometimes I'm co ...more

We recently ran into a serious iPhone 6 issue here in the Gadget Hacks office, where the device was stuck in an infinite bootloop with intermittent red and blue screens (of death?) and an unresponsive touchscreen and buttons. From what we can tell, we weren't alone, though som ...more

Every industry has its own jargon, acronyms, initializations, and terminology that serve as shorthand to make communication more efficient among veteran members of that particular space. But while handy for insiders, those same terms can often create a learning curve for novic ...more

Have you ever used an open wifi, which after you connect displays a website to enter your credentials to get internet? That website is called captive portal and widely used in airports, hotels, universities etc. Have you ever wondered what would happen if someone would set up ...more

In most cases, when the free trial of software is over, that's it—you're left to either pay for it or find an alternative. But what happens if the trial wasn't long enough to sell you on the product? It'd be nice if there was a way to test it out again without having to whip o ...more

The iPod changed the music and electronics industries when it was first introduced way back in 2001. It is credited with ushering in the age of "connected devices," and has held a huge market share of around 70% for years. At the height of its popularity, the iPod made up almo ...more

While it's rare, there could be a day when your iPhone 12, 12 mini, 12 Pro, or 12 Pro Max isn't responding, where taps and swipes on the screen do nothing, and the Side button won't let you force a restart. The culprit could be any number of problems, from corrupted files to b ...more

Apple's iOS 11 is finally here, and while they showed off several of the new features it brings to your iPhone, iPad, and iPod touch back at WWDC 2017, they've only just touched the surface of what iOS 11 has to offer. There are a lot of cool new (and sometimes secret) feature ...more

Since I recently had this problem and fixed it, I might as well share the solution. This is actually REALLY simple to fix but will impact your cards' performance. This tutorial is only tested on Radeon HD 5xxx series. Other cards may vary. It would be appreciated if you would ...more

Apple just released the latest developer preview of OS X 10.11 El Capitan, currently in its sixth beta. While this latest build mostly deals with tiny improvements and bug fixes, it also includes a brand new breathtaking wallpaper of the El Capitan rock formation in Yosemite N ...more

While having multiple cable cords in your home is basically unavoidable in this day and age, having to deal with the eyesore of looking at them doesn't have to be. For a quick and easy fix, simply place an eye-pleasing box over your power strip and thread cords through strate ...more

If you've ever had issues charging your iPad, iPhone, or iPod touch, like most other Apple products, the culprit to blame is usually a frayed or damaged cable. It's a common design flaw due to the thinness of the cords and the weak sheath surrounding them — but that's not alwa ...more

Starting today, T-Mobile has begun rolling out the Android 4.4.2 KitKat update to their Galaxy S4s. The roughly 390MB update brings the standard KitKat fare to your GS4, including: New music album art lockscreen New launcher settings menu Camera shortcut on the lockscreen Var ...more

Internet slowing down, requiring you to Press F5 several times to refresh a web page is one of the irritating thing a computer user can come across. It needs to be fixed asap. Like previous versions, users have experienced internet going slow on Windows 8 too. If you think th ...more

Calculator applications are standard on almost every computer and mobile device now, but they can be a pain to use. If you're performing longer equations, it can be really annoying to not be able to see the trail that shows how you got there. The calculator app included in Ma ...more

As if there weren't already enough problems with the iPhone 5, now the new Lightning USB cable is reportedly getting stuck in USB power adapters and computer ports. The newer Lightning cables have deeper divots and a slightly thinner mouth on the USB plug than the old 30-pin c ...more

The conversation of which operating system is most secure, macOS vs. Windows, is an ongoing debate. Most will say macOS is more secure, but I'd like to weigh in by showing how to backdoor a MacBook in less than two minutes and maintain a persistent shell using tools already bu ...more

In October of 2017, Mathy Vanhoef released "Key Reinstallation Attacks: Forcing Nonce Reuse in WPA2." This paper demonstrates a way to decrypt traffic on practically any WPA2 network, the most commonly used form of wireless security (seeing as all other forms of Wi-Fi encrypti ...more

The release of iOS version 8.1.1 brought some much needed bug fixes to Apple's mobile operating system, but with it came a patch for Pangu's jailbreak method, which worked on iOS 8.0 to iOS 8.1 using a Mac or Windows computer. Luckily, it didn't take very long for a new team o ...more

Jailbreaking gives you root access to the iOS file system, allowing you to install third-party apps and tweaks on your iPhone that aren't available in the App Store. It opens up a whole new realm for what your device can do, but it can also cause instability across the system ...more

No matter your reason, if you want to hide what's on your computer screen from prying eyes, there are plenty of ways to do it. You can get a privacy filter, install a panic button for your browser, or just develop super fast reflexes. But all it takes is the right angle or a t ...more

Most of the time, if you're actually using your computer, it won't just go to sleep on you. But when you're reading a long article or watching a video and don't move the mouse or use the keyboard for a while, the screen automatically dims or goes into sleep mode. It may not b ...more

Doorbells are useful and all, but most of them are boring as hell. They use the same old generic sounds to let you know when guests have arrived, as demonstrated below. Video: . To liven things up a bit, you could spend money on buying customized doorbells. But why do that whe ...more

In our society, multitasking is an obsession. Whether it's driving while using your phone (DON'T DO IT) or drinking a cup of coffee while typing up some work, we multitask at every turn of the day. People that work all day in front of a computer are especially prone to multita ...more

Windows users have been getting a lot of bad news about their security lately. First, we found out that passwords in Windows 7 and 8 can easily be exploited if password hints are enabled, and now, Russian password-cracking software developer Elcomsoft has found another huge vu ...more

Microcontrollers like ESP8266-based boards have built-in Wi-Fi, and that's really cool, but what's even cooler is that certain pro models of the D1 Mini also have a port where you can connect a directional antenna. This can give you exceptional range, but if you were to just p ...more

Realizing there's no voice to guide you while using your iPhone to navigate can be problematic, causing serious headaches from getting lost to unscheduled pit stops or worse. And while this problem can hit Apple Maps like other navigation apps out there, there are a number of ...more

A few long-awaited iOS 11 features that Apple had promised way back in June 2017 have finally made their way to iPhones with the iOS 11.4 update. Aside from finally delivering on those, there's not a whole lot new in iOS 11.4 as a whole, though, there are a few things you'll d ...more

If you want to follow Null Byte tutorials and try out Kali Linux, the Raspberry Pi is a perfect way to start. In 2018, the Raspberry Pi 3 Model B+ was released featuring a better CPU, Wi-Fi, Bluetooth, and Ethernet built in. Our recommended Kali Pi kit for beginners learning e ...more

Recently, I ran across SecGen, a project which allows a user to create random vulnerable machines. I absolutely love vulnerable machines, since a vulnerable VM is a safe and legal way to practice hacking tactics, test out new tools, and exercise your puzzle-solving skills. Wh ...more

The older I get, the more my Friday nights involve watching Netflix at home with a bottle of Maker's Mark and a box of Oreos. Netflix is a big part of my life, and I'm not alone. YouTube and Netflix make up over 50% of all activity on the Internet, so it might be worth your ti ...more