In this week’s edition of Tech 911 — the column that addresses any and all technological troubles or questions you have — a Lifehacker reader is dealing with one of the more annoying problems you can face after building your brand-new desktop system: something not working right.

It's been a long, long time since we talked about the Windows app Sizer, recently rewritten to be more compatible with Windows 10 apps. It's almost embarrassing given the usefulness of this little utility. With the press of a few keyboard buttons, you can reconfigure the size of apps on your screen to any dimensions you want, giving you even more control over how your apps appear than Windows 10's default commands.

Mac: Your Mac’s Night Shift and True Tone modes are great and all, but they can be fussy at times, and they might not work (or work very well) with an externally connected display. Separately, it’s also annoying to have to tap buttons and fumble through on-screen displays just to adjust your monitor’s brightness and contrast to your liking.

Remember the Apple 'Error 53' issue where iPhones were bricked after having their screen repaired by third-parties? Initially, Apple said the problem was that it couldn’t trust the TouchID sensor hadn’t been tampered with but then followed up saying the build of iOS that caused the issue included a checking feature that wasn’t intended for mass deployment.