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
パソコン・ソフトCan’t View X (Twitter) on Your PC? How to Fix “Something Went Wrong” in Chrome, Firefox, and EdgeIf X shows “Something went wrong” in your browser, cache, extensions, or browser settings are often to blame. Here’s how to fix it in Chrome, Firefox, and Edge.2026.03.207 min中村 健太
パソコン・ソフトCan't Use Excel's COPILOT Function? Requirements, Pricing, Uses, and Pitfalls Explained [Microsoft 365]So, Excel's COPILOT function is getting a lot of attention, but plenty of people still can't use it. Let's walk through the license and channel requirements, what it can and can't do, how it's different from the ChatGPT add-in, and the rate limits to watch out for.2026.03.197 min中村 健太
パソコン・ソフトExternal HDD Not Recognized by Your TV? FAT32 vs. NTFS vs. exFAT and How to Format It, With Size-Specific TipsIf your TV won't recognize an external HDD, the issue is often the drive's format. Here's how FAT32, NTFS, and exFAT differ, what to choose by drive size, and how to format it in Windows 11.2026.03.197 min中村 健太
