パソコン・ソフトPC Fan Loud or Running Nonstop? 6 Causes of Fan Noise and Easy Ways to Quiet It [Laptop & Desktop]Did your PC fan suddenly get loud, or does it keep spinning nonstop? A PC builder with 20+ years of experience explains six common causes, including dust buildup, high CPU load, power settings, dried thermal paste, BIOS settings, and fan failure, plus practical ways to make your laptop or desktop quieter.2026.04.278 min中村 健太
パソコン・ソフトWindows 11 PC Suddenly Running Slow? 6 Causes and Quick Fixes to Speed It Up [2026]Learn why your Windows 11 PC suddenly feels slow and what to do about it. We’ll cover 6 common causes, including runaway background apps, low storage, not enough memory, and too many startup apps, plus 7 quick speed-up tips you can try right now.2026.04.268 min中村 健太
パソコン・ソフトCan't Copy Text from a PDF? 5 Reasons and Free Ways to Convert It to Text [Windows, Mac, Phone]So, you can't copy text from a PDF? It happens. Let's walk through the five common causes, including scanned images and copy restrictions, plus free ways to turn that PDF into editable text.2026.03.248 min中村 健太
パソコン・ソフトCan't Open an Excel File or Seeing “The Workbook Is Corrupted”? 6 Ways to Repair a Broken Excel File in Microsoft 365Uh-oh, Excel says the workbook is corrupted. Let’s walk through six ways to repair an Excel file that won’t open, starting with the easiest fixes.2026.03.249 min中村 健太
パソコン・ソフトWindows 11 Disk Usage Stuck at 100%? 6 Reasons Your PC Feels Slow and Fixes to Try NowIf your PC feels painfully slow and disk usage is stuck at 100%, background services like SysMain or Windows Search may be the cause. Here are six beginner-friendly fixes to try.2026.03.248 min中村 健太
パソコン・ソフトOneDrive Sync Won’t Finish or Stays “Sync Pending”? 6 Causes and Quick Fixes for Windows 11If OneDrive is stuck on “Sync pending,” several things could be getting in the way, from path length limits to storage space or file name issues. Let’s walk through the likely causes and the fixes you can try right now.2026.03.227 min中村 健太
パソコン・ソフトLaptop Fan Loud or Running Constantly? 6 Causes and DIY Quiet Fixes [Windows 11]So, your laptop fan is loud. There are six common causes, and in many cases you can quiet it down yourself. From cleaning the vents to changing power settings, here are Windows 11 fixes you can try right now.2026.03.227 min中村 健太
パソコン・ソフトUSB Flash Drive Not Recognized or Not Showing Up? 6 Causes and Fixes You Can Try Yourself [Windows 11 & Mac]Yep, USB flash drives sometimes just don't show up on your computer. The cause is usually one of six things, from driver issues to file system corruption. Here's how to troubleshoot it on both Windows and Mac.2026.03.228 min中村 健太
パソコン・ソフトWindows 11 Not Detecting an External Monitor or Second Display? 6 Causes and Fixes to Try Now [HDMI, USB-C, DisplayPort]Your external monitor suddenly stopped being detected? There are six likely causes. From checking cables to updating drivers and BIOS settings, let's walk through the fixes in order.2026.03.216 min中村 健太
パソコン・ソフトCan't Watch YouTube or Netflix on Your TV? 6 Reasons Smart TV Apps Won't Open, Load, or Stop FreezingHmm, if your TV suddenly won't play YouTube, Netflix, or TVer, there are usually six likely causes. Let's walk through the fixes, from clearing the cache to using an external streaming device.2026.03.217 min中村 健太
パソコン・ソフトPC Connected to a TV with HDMI but No Picture? 6 Causes of “No Signal” and Fixes to Try Now [Windows 11]Uh-oh, you connected your PC to your TV and only see “No Signal.” There are six common causes. Let’s walk through quick Windows 11 fixes like changing the TV input, using Win+P, and updating your driver.2026.03.217 min中村 健太
パソコン・ソフトPC Won’t Wake From Sleep or Screen Stays Black? 6 Causes and Fixes for Windows 11Is your Windows PC stuck on a black screen after sleep? There are six likely causes, and most fixes are things you can try yourself, from turning off Fast Startup to updating drivers.2026.03.208 min中村 健太
