Hardware Guides

PFN_LIST_CORRUPT means Windows' index of physical memory pages was damaged. Test the RAM first, then the storage driver — here is the order that works.

Need to change boot order, enable TPM, or turn off XMP? Here is how to enter BIOS or UEFI on Windows 11 from inside Windows and with the setup key at startup.

Move Windows 11 to a new SSD without reinstalling. Prepare the drive, clone the whole disk, fix the boot order, and verify the result with this step-by-step guide.

Generate a battery report in Windows 11 to see real capacity versus design capacity, judge how much life is left, and decide whether the battery needs replacing.

Blue screen showing WHEA_UNCORRECTABLE_ERROR in Windows 11? It means hardware reported a fault Windows cannot recover from. Isolate RAM, CPU, drive, or overclock with these fixes.

Mouse pointer skipping, freezing, or lagging behind your hand in Windows 11? Fix wireless interference, polling and power settings, drivers, and surface problems step by step.

CLOCK_WATCHDOG_TIMEOUT means a CPU core stopped responding to the rest of the processor. Fix unstable overclocks, bad drivers, and cooling faults with these step-by-step checks.

8GB, 16GB, or 32GB? Work out how much RAM you actually need for browsing, gaming, or creative work, check what you have, and upgrade without wasting money.

USB device not recognized or showing Unknown Device in Windows 11? Reset USB controllers, fix power settings, and get the device detected with these step-by-step fixes.

PC or laptop fans running loud and constant? Find what's loading the CPU, clean the cooling path, and fix fan curves with these step-by-step quieting fixes.

Laptop says plugged in, not charging in Windows 11? Test the adapter, reset the battery driver, check charge limits, and fix the port with these step-by-step fixes.

CPU stuck at 100% and your PC crawling? Find the process eating your processor, stop background hogs, and cool a throttling CPU with these step-by-step fixes.

HDR toggle missing, colors look washed out, or games won't enable HDR? Fix display cable, GPU settings, Windows HDR calibration, and monitor compatibility.

Controller not detected or buttons dead in games? Fix Windows drivers, USB ports, Steam Input, and game controller settings.

PIN works but face or fingerprint won't enroll or sign in? Update drivers, reset Hello, check BIOS TPM, and fix camera privacy settings on Windows 11.

Touchpad frozen, disabled, or gestures gone on Windows 11? Turn off accidental disable keys, reinstall precision drivers, and fix BIOS touchpad settings.

Monitor flashing black, horizontal lines, or desktop flicker in Windows 11? Test in Task Manager, fix refresh rate mismatch, and roll back bad GPU drivers.

Press power and nothing happens—no fans, no lights, or it shuts off instantly? Check outlet, PSU, RAM, and front-panel wiring before replacing parts.

Keyboard dead in Windows but works in BIOS? Fix filter keys, language layout, USB power saving, and drivers—or use the on-screen keyboard to sign in.

Sound plays through the monitor instead of headphones, or the 3.5 mm jack is ignored? Fix default output, jack detection, and Realtek audio on Windows 11.

USB mouse, flash drive, or phone not detected in Windows 11—try different ports, reset controllers, update chipset drivers, and fix power management.

Find out if your PC has free RAM slots, which DDR type you need, and how to install sticks without breaking clips—before you buy the wrong kit.

PC Health Check failed for the Windows 11 upgrade? Turn on TPM 2.0, Secure Boot, and UEFI in your BIOS so the install completes on supported hardware.

No bootable device or OS not found on Windows 11? Fix boot order in BIOS and repair the bootloader with bcdboot or recovery.

Laptop battery dying in 1–2 hours on Windows 11? Check battery health, power mode, and the apps quietly draining charge — and fix the worst offenders.

Monitor stays black when the PC powers on — no BIOS, no login, or just a cursor? Cable checks, GPU swaps, driver rollback, and Windows boot recovery.

Mic not working in Teams, Zoom, or Discord on Windows 11? Fix the default input device, privacy permissions, mic levels, and per-app sound settings.

Windows 11 printer stuck offline or jobs stuck in queue? Set the printer online, clear the print spooler, reinstall the driver, and fix Wi-Fi printer IPs.

Find your CPU, RAM, GPU, motherboard, and storage on Windows 11 using Settings, Task Manager, dxdiag, and System Information—no extra software needed.

Bluetooth missing, won't pair, or headphones connect on Windows 11 with no sound? Restart Bluetooth services, update drivers, and re-pair devices fast.

Webcam stays black in Teams or Zoom on Windows 11? Fix camera privacy settings, the Fn-key shutter, drivers, and the right device selected in the app.

Second monitor not detected on Windows 11? Fix it with the Extend display setting, HDMI/DisplayPort cable checks, GPU ports, dock drivers, and ghosts.

Dust, grime, and sticky keys hurt performance and hygiene. How to safely clean your laptop, phone, and screens without damaging them.

Buying an SSD for your PC? Understand SATA vs NVMe, M.2 vs 2.5-inch, capacity, and DRAM so you pick the right drive and actually feel the speed boost.

The best upgrades to speed up an old PC, ranked by impact—SSD, RAM, cleanup, and cooling—plus how to know when it's smarter to replace the machine.

PC fans revving loud or games suddenly stuttering on Windows? Diagnose and fix CPU overheating and thermal throttling with temps, paste, and airflow.

Speakers or headphones silent on Windows 11 or 10? Follow these step-by-step troubleshooting fixes to restore PC audio — drivers, devices, services.