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Windows 11

How to Use Windows System Restore Points — A Complete Beginner’s Guide (2025 Updated)

TL;DRTurn System Protection on for your system drive, allocate 10–20 GB so restore points aren’t purged, and create a daily s […]

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 […]

Introduction Have you ever closed the lid of your laptop or put your PC into sleep mode, expecting to save power — only to co […]

TL;DRIf your PC feels slow even when CPU is low, apps crash, or updates fail after recent Windows 11 patches: (1) run SFC/DIS […]

TL;DRIf your PC looks completely dead after an update (no lights, no fans, no display), treat it like a power/firmware protec […]

TL;DRAfter a Windows 11 update, some users see “You need to reset your PIN on this device” and never receive the verification […]

「Windows 11 の対象です」と案内されるのに、Windows Update を開いても「この PC ではまだ利用できません」。特に Intel Core i5-7300U（第7世代）で、この混乱にハマる方が多い印象です。ここでは、なぜ起 […]

Quick note: KB5039302 was an optional “Cumulative Update Preview” released on June 25, 2024 for Windows 11 22H2/23H2. It has […]