====== Touch Screen laptop ======

  * one problem of touch screen laptop is, once touch screen malfunction, you have to fight its way to disable it, even during OS installation process.

====== Rubber type of buttons ======

  * rubber will fall off after 3-5 years of use
  * like sony wi-c300 earphone button, 3 buttons are designed as 1 piece of rubber cover, once fall off, all button gone
  * hard plastic individual buttons are the way to go, like wi-c400

====== Device with cables ======

  * cables, if got move around often, may fail
  * try use wireless as much as possible, physical wear out faster than electronics.

====== Printer with Dust Trap Line Skips ======

  * Printer without enclosed paper drawer is expose to dust with the paper feeding tray, either from back or front opening
    * {{:techwiki:fail:fail_printer_dust_exposed.jpg?400|}}

====== Bluetooth Speaker Fails ======

  * generally, bluetooth speaker with built-in battery may experience weak battery after 1 year +
  * most bluetooth may not have aux input, means direct audio input cable connect (which is useful for connect non-bluetooth audio output device)
  * speaker is all about output Walt, for reference
    * yamaha shs-300 speaker is: 0.7W
    * casio CT-S300 speaker is: 2.5W+2.5W
    * Dell S2421H built-in speaker: 3W
    * anker soundcore motion b (has aux in): 6w+6w
    * anker soundcore select 2: 16W
    * anker soundcore boost: 10w+10w
    * anker soundcore motion+ (has aux in): 30W
    * jbl flip 5: 20w
    * jbl flip 6: 30w
    * jbl charge 4 (aux in): 30w
    * jbl charge 5: 40w
    * jbl xtreme 3 (aux in): 25w+25w+25w+25w