Hardware · Top stories
Enthusiast Builds Proxmox Server and Repairs Laptop from Landfill-Scavenged PC Parts
A tech enthusiast assembled a Proxmox home lab server and repaired an Asus ROG laptop using components recovered from a county landfill's electronics recycling area. The server incorporates scavenged SSDs and HDDs, while the laptop required only a new battery, demonstrating the potential for repurposing discarded electronics.
Ethernet Cable Lengths and Speed Limitations Explained
Ethernet cable speed depends on both cable length and category, with standard lengths typically maxing out at 328 feet for rated speeds. Faster speeds like 10 Gbps have shorter reliable distances for certain cable types, such as Cat6, which only supports 10 Gbps up to 180 feet.
Swollen Laptop Battery Indicated by Popping Trackpad Poses Fire Risk
A laptop trackpad that is popping out or bulging indicates a swollen lithium-ion battery, which can damage the device and potentially cause a fire. Users should immediately stop using such a laptop, turn it off, unplug it, and seek professional repair to prevent further damage or safety hazards.
SSD vs. HDD: Choosing Between 256GB SSD and 1TB HDD for Computer Storage
This article compares 256GB SSDs and 1TB HDDs for computer storage, highlighting that SSDs offer superior speed for system drives due to their flash memory, while HDDs provide greater capacity at a lower cost per gigabyte. The choice depends on user needs, prioritizing either responsiveness for operating systems and applications or large storage for media and backups.
Roku devices may randomly turn off due to auto power saving feature
Roku devices can randomly turn off due to an auto power saving feature that activates after 20 minutes of inactivity. Users can disable this setting in the device's power options to prevent unexpected shutdowns.
Router Antennas: Understanding MIMO and Beamforming for Improved Wi-Fi Performance
Modern Wi-Fi routers utilize multiple antennas to enhance data throughput and signal strength through technologies like MIMO and beamforming. These features allow routers to handle more simultaneous data streams and direct signals more effectively to devices, addressing the demands of faster internet and numerous connected devices.
Regularly Restarting Gaming Handhelds Improves Performance and Applies Updates
Restarting gaming handhelds like the Steam Deck and ROG Ally regularly helps clear memory, resolve software glitches, and ensure system updates are applied effectively. This practice addresses common issues such as game crashes, frame drops, and audio problems by providing a clean slate for the operating system.
Router Ethernet Ports: Understanding WAN, LAN, and Speed Differences
Routers feature different Ethernet ports for specific functions and speeds. The WAN port connects to the modem for internet access, while LAN ports connect local devices like PCs and consoles. Some routers also mix gigabit and multi-gigabit LAN ports, affecting network performance for connected devices.
Modders solder power cables directly to RTX 5090 PCB to bypass 16-pin connector issues
Brazilian YouTuber TecLab soldered power cables directly to an RTX 5090D PCB, bypassing the problematic 16-pin power connector. This modification allowed the card to operate at 600W under chiller cooling, demonstrating an alternative power delivery method for high-power GPUs.
Roku devices feature hidden menus for diagnostics, developer settings, and network configuration
Roku streaming devices include hidden menus that allow users to access developer settings, manage network configurations, and adjust ad experiences. These menus are accessed via specific remote control button sequences, providing tools for diagnostics and advanced customization.
Understanding LiDAR on iPhone Pro Models and Its Applications
LiDAR sensors on iPhone Pro models measure distances using light pulses, providing depth information for augmented reality applications and camera enhancements. This technology enables features like 3D room mapping and improved low-light autofocus, enhancing the device's spatial awareness capabilities.
Differences between cheap and expensive smart TVs explained
The primary difference between cheap and expensive smart TVs lies in the display panel technology and underlying hardware, not just smart features. Higher-priced models offer advanced panel types like QLED, Mini LED, Micro RGB, and OLED, which provide superior color accuracy, contrast, and brightness control. This distinction matters for viewers seeking optimal picture quality beyond basic 4K UHD and HDR support.
Apple Watch GPS vs. GPS + Cellular: Feature and Cost Differences
This article outlines the differences between Apple Watch GPS and GPS + Cellular models, focusing on functionality without an iPhone and associated costs. The cellular model allows for independent use for calls, messages, and streaming, but comes with a higher price and increased battery drain.
Understanding the Differences Between Dual-Band and Tri-Band Routers
This article explains the technical differences between dual-band and tri-band routers, detailing their frequency bands and use cases. It clarifies that tri-band routers offer increased capacity due to an additional network band, which can be beneficial in busy network environments.
Laptop Battery Life Expectations and Optimization Tips
This guide outlines expected battery life ranges for different laptop types and offers advice on how to optimize battery performance. It details how premium, standard, budget, and gaming laptops vary in battery duration and suggests settings adjustments for extended use.
Walmart's Refurbished iPhone Program: Understanding Quality Tiers and Purchase Considerations
Walmart sells refurbished iPhones through its online platform, Walmart Marketplace, utilizing third-party vendors. Buyers should understand the different quality tiers and return policies before purchasing to ensure satisfaction.
Guide to Disabling Apple's Find My Feature on iOS Devices
This guide explains how and when to disable Apple's Find My feature on iPhones and other iOS devices. It details the process for factory resetting a device or manually turning off Find My, emphasizing the importance of keeping it enabled for security unless specific circumstances require its deactivation.
Avoid using two routers for home Wi-Fi; use mesh systems or access point mode instead
Connecting a second router in router mode can create a "double NAT" configuration, leading to network complications for tasks like online gaming and device discovery. Instead, extending an existing network with mesh Wi-Fi systems or by configuring a router in access point (AP) mode provides better coverage without creating multiple private networks.
Volatile vs. Non-Volatile Memory: Understanding Data Retention with Power Loss
Computer memory is categorized as volatile or non-volatile based on whether it retains data when power is removed. Volatile memory, like DRAM and SRAM, requires continuous power to maintain its contents, while non-volatile memory preserves data after power is off. This distinction is fundamental to how different memory types function within computing systems.
How to check your MacBook's hard drive health
This guide explains how to check a MacBook's hard drive health using built-in macOS tools like Disk Utility's First Aid and S.M.A.R.T. status. It provides steps for diagnosing potential storage issues to prevent data loss.
Accessing Apple Diagnostics on MacBook for Hardware Troubleshooting
Apple Diagnostics helps identify hardware issues on MacBooks. The access method varies based on whether the MacBook uses Apple silicon or an Intel processor, and the diagnostic features depend on the macOS version.
Guide to Restore 5 GHz Wi-Fi on LG C5 TVs by Changing webOS Region
A guide details how to re-enable 5 GHz Wi-Fi on LG C5 TVs by changing the webOS region configuration, which is sometimes disabled by factory settings in certain regions despite hardware support. This procedure involves using LG Developer Mode and a script to modify the TV's regional settings, potentially restoring full Wi-Fi functionality.
Guide to Installing an M.2 SSD in a PlayStation 5
A guide details the process for installing an M.2 PCIe 4.0 NVMe SSD into a PlayStation 5 console to expand storage. The installation requires a Phillips screwdriver and a compatible SSD with a heatsink, and it does not void the console's warranty if done correctly.
Alternatives to disposable AA batteries for Xbox controllers
Xbox controllers, including the latest Series X/S models, primarily use replaceable AA batteries. This guide outlines alternatives such as the official Xbox rechargeable battery kit, third-party rechargeable battery packs, rechargeable AA batteries, or direct USB connection to avoid constant battery replacement.
How to Test a Dolby Atmos Sound System Using Official Test Files
Testing a Dolby Atmos sound system involves using Dolby's official 7.1.4 channel test file to verify individual speaker functionality and overall immersive audio experience. This process ensures correct speaker placement and channel assignment for optimal performance. It matters for users setting up or troubleshooting their home theater systems to achieve the intended audio quality.
Refurbishing a Tektronix TDS7104 Oscilloscope
A Tektronix TDS7104 oscilloscope, purchased at a flea market, was refurbished to address issues including a dim screen and a CMOS battery error. The process involved hard drive imaging, battery replacement, operating system reinstallation, and driver setup to restore full functionality. This refurbishment demonstrates the steps required to bring older, high-end test equipment back into working order.
CarPlay Infotainment Screen Film: To Remove or Not to Remove
A recent viral TikTok video advised removing the clear protective film from CarPlay infotainment screens to prevent damage, but this advice requires careful consideration. The film is often for shipping protection only, and leaving it on can cause adhesive to melt onto the screen, potentially leading to costly repairs. However, not all screens have removable films, and some are permanent layers.
Understanding Display Resolutions: QHD, WQHD, 4K, and 5K Explained
This article clarifies the differences and meanings of common display resolutions such as QHD, WQHD, 4K, and 5K. It explains that QHD and WQHD both refer to 2560 x 1440 pixels, also known as 1440p or 2K, and discusses their relevance for various devices. This information helps consumers understand display specifications when purchasing monitors, TVs, or smartphones.
Dolby Atmos for Headphones Simulates Spatial Audio on Stereo Headsets
Dolby Atmos for Headphones is a feature within the Dolby Access app that uses binaural rendering to simulate spatial audio on standard stereo headphones for PC and Xbox. This software aims to provide a 3D surround sound experience without requiring specialized hardware. It costs $14.99 after a seven-day free trial.
Roku Devices Can Connect to Wi-Fi and Pair Remotes Without a Physical Remote
Roku devices can connect to Wi-Fi using the Roku mobile app, a mobile hotspot, or an Ethernet cable, even without a physical remote. This allows users to regain internet access if their remote is lost or the Wi-Fi network changes. Additionally, modern Roku remotes, which use Wi-Fi Direct or Bluetooth, require pairing, a process that can be done after a replacement or factory reset by putting both the device and remote into pairing mode.
Guide to iPhone Soft and Hard Resets for Troubleshooting
This guide clarifies the definitions and procedures for restarting, soft resetting, and hard resetting an iPhone. It provides instructions for users to perform these actions to troubleshoot device issues or prepare a phone for transfer.
Guidelines for Using MacBook Laptops Outdoors
Using a MacBook outdoors requires awareness of ambient temperature limits and direct sunlight exposure to prevent damage and maintain usability. Adhering to Apple's recommended temperature range and seeking shade can protect battery health and screen visibility.
Smart TVs typically ship with 8GB of storage, often constrained by OS and pre-installed apps
Smart TVs commonly include around 8GB of internal storage, with a significant portion consumed by the operating system and pre-installed applications. This limited storage can lead to performance issues and restrict the number of user-installed apps, making storage management a common user concern.
Guide to Verifying 4K Playback on TVs and Connected Devices
This guide explains how to confirm if a television is displaying content in 4K resolution, detailing checks for the TV itself, connected source devices, and streaming service settings. It matters for users who want to ensure they are getting the intended visual quality from their 4K-capable hardware and subscriptions.
Understanding the Differences Between TPUs, GPUs, and NPUs for AI Workloads
Google's Tensor Processing Unit (TPU) is an AI accelerator designed for cloud-based machine learning tasks in data centers, distinct from Graphics Processing Units (GPUs) and Neural Processing Units (NPUs). While a version of the TPU appears in the Pixel 11 smartphone, it functions similarly to an NPU for local AI tasks, leading to potential confusion regarding its primary application.
Guide to Resetting Roku TVs: Soft Restart and Factory Reset Options
This guide details how to perform both a soft restart and a factory reset on Roku TVs to address common issues like freezing or connectivity problems. It explains the differences between the two methods and outlines the steps for each, emphasizing data considerations for a factory reset.
Digital TV Antenna Range Claims Are Misleading Due to Physical Limitations
Claims of digital TV antenna ranges reaching thousands of miles are false, as TV signals are limited by the Earth's curvature and require a clear line of sight. Consumers should be aware that no antenna can overcome these physical barriers to achieve advertised extreme ranges. This information helps consumers make informed purchasing decisions for over-the-air TV reception.
Troubleshooting MacBook Slowdowns: Storage, Memory, and Background Apps
This guide outlines steps to diagnose and resolve performance issues on a MacBook by checking storage, memory usage, and background applications. Identifying the root cause of slowdowns can prevent unnecessary factory resets or hardware replacements.
Guide to building a retro arcade cabinet with Raspberry Pi or old desktop PCs
This guide outlines the components and considerations for building a retro arcade cabinet, focusing on selecting the right computer and controls based on desired games. It details options for the cabinet structure and essential electronics like displays, joysticks, and USB encoders.
Troubleshooting 10 Gigabit Ethernet Performance Issues on Windows with Intel E610-XT2 NIC
A user debugged slow 10 Gigabit Ethernet speeds on a Windows desktop with an Intel E610-XT2 NIC, identifying and resolving issues related to discarded packets and Large Send Offload (LSO) settings. The troubleshooting process involved isolating the problem from network-attached storage (NAS) and other services, then adjusting network adapter properties to improve throughput.