Tech Support


When I face a technical problem, I write the solution. This section includes tutorials and troubleshootings of any technical issues.

How to Set Your MacBook Screen Resolution to 16:9

Want a 16:9 aspect ratio on your MacBook display? Here’s how I use BetterDisplay to create a virtual 16:9 screen and mirror it.


How I Set a Manual Battery Charge Limit on MacBook (Like iPhone 80% Limit)

Optimized battery charging on macOS wasn’t reliable for me, so here’s how I use AlDente to manually set my MacBook battery charge limit to 80% or 90%.


How to Open a Blocked macOS App ("Apple Could Not Verify" Fix)

Seeing "Apple could not verify this app" on macOS? Here’s the quick way I open blocked apps safely using Privacy & Security settings.


How to Disable Liquid Glass on macOS Tahoe (macOS 26)

Not a fan of the new Liquid Glass transparency in macOS 26 (Tahoe)? Here’s how I made my Mac UI solid and easier on the eyes.


How to Disable Liquid Glass Transparency on iPhone (iOS 26)

Not a fan of Apple’s new Liquid Glass look in iOS 26? Here’s how I reduced the transparency and made my iPhone way more readable.


CasaOS on macOS with External Drives

How to mount external drives (SSD or HDD) to a CasaOS instance installed on a Mac


Download and Fix Mendeley Desktop Citation Plugin for Microsoft Word on macOS

How to download Mendeley Desktop app for Mac and manual workaround to install its Word citation plugin.


Turn Off Dahua CCTV NVR or DVR/XVR Beeping Noise

How to disable or stop Dahua NVR or DVR/XVR beeping / buzzer sound caused by a "No Disk" issue


How to Convert HDR Video to SDR Using HandBrake

My simple workaround for fixing overly bright HDR videos by converting them to SDR with HandBrake, especially when mixing clips in SDR editors.


Rotate Video with FFmpeg

How to rotate a video with or without re-encoding using FFmpeg


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