How-To
Windows 11: Fix Sound in One App When System Audio Works
If Windows 11 system sounds work but one app is silent, check that app’s Volume Mixer level and output device first. Then…
FixMyOS / How-to help
Find the fix, step by step.
Practical guides for Windows, Ubuntu/Linux, audio, apps, storage, networking, browsers and WordPress.
Browse by system or problem
Find your starting point
Featured verified guide
PowerPoint “Can’t read file”: Unblock a Blocked Presentation or Try Open and Repair
Microsoft says PowerPoint for Microsoft 365, 2024, 2021, 2019 and 2016 may show this message when Microsoft 365 has blocked a file for security reasons. This guide shows the documented…
Recently published
Latest how-to guides
How-To
Windows 11 File History: “Drive is disconnected” During Restore
If Windows 11 shows “Drive is disconnected” while restoring with File History, reconnect and reselect the configured drive, then use Restore to...…
How-To
Fix Sound and Audio Output Problems in Windows 11: Connections, Settings, Troubleshooter, and Updates
Troubleshoot sound and audio output issues in Windows 11 by verifying connections and volume levels, disabling enhancements, running the audio troubleshooter, checking…
How-To
How to Recover AutoRecover Changes or Unsaved Files in Microsoft Word
Recover AutoRecover edits labeled (when I closed without saving) or recover an unsaved document using Manage Document options in Microsoft Word.
How-To
Office 2019 for Mac is read-only after July 13, 2026: identify the mode and choose a supported recovery path
Office 2019 for Mac can still open, view, and print files but cannot edit, save, or create them after July 13, 2026.…
How-To
Ubuntu 24.04 LTS to 26.04 LTS: Supported Upgrade Path and Checks
Ubuntu supports sequential LTS upgrades, and upgrades to Ubuntu 26.04 LTS become available after the first point release, 26.04.1. This guide covers…