- 2025-11-09
How to Upgrade to Windows 11 Without Internet — Complete Offline Guide (2025)
Short answer: You can complete an in-place upgrade to Windows 11 without being online during the install itself—as long as yo […]
Short answer: You can complete an in-place upgrade to Windows 11 without being online during the install itself—as long as yo […]
Introduction When updating Windows 11, you might suddenly see this message: “Installation error – 0x800f081f” This problem is […]
TL;DRTurn System Protection on for your system drive, allocate 10–20 GB so restore points aren’t purged, and create a daily s […]
Windowsでトラブルが起きたとき、「システムの復元を使おうと思ったのに復元ポイントが無い…」と困ったことはありませんか? 復元ポイントは、設定変更やドライバ更新、不具合発生時にパソコンを以前の状態へ戻せる便利な機能です。 ただし、保存容量不足やW […]
In 2025, Windows 11 version 24H2 users are facing a surge of system errors — from update failures to sudden crashes. If you […]
はじめに 「スリープにしたはずなのに、翌朝Surfaceが熱い…」「バッテリーが一晩で大きく減っていた…」 この症状は、Surfaceに限らず近年のWindowsノートでよく相談される“スリープ中の電池消耗・発熱”トラブルの代表例です。特にSurfa […]
Introduction Have you ever accidentally hit the Caps Lock key while typing, only to find your entire sentence suddenly in ALL […]
When nights are still warm and your backpack or desk doesn’t get much airflow, your Surface can “wake up tired”—warm chassis, […]
Introduction Have you ever closed the lid of your laptop or put your PC into sleep mode, expecting to save power — only to co […]
Secure Bootとは? ~起動時にあなたを守る仕組み 「Secure Boot(セキュアブート)」は、パソコンの電源を入れた瞬間から動き始めるブートプロセスの安全性を守る仕組みです。 簡単に言えば「信頼できるプログラムだけを起動する」仕組みで、 […]