Vim replace X number of characters

:%s/^.\{n}//

Substitute n with number of characters you want to delete.

https://varuntv.wordpress.com/2013/09/11/delete-first-n-characters-in-a-file-vim-trick/

How to increase volume in Windows

Excellent tip!!!

http://www.nextofwindows.com/sound-volume-not-loud-enough-here-is-how-you-can-boost-it/

The article contains images showing the steps, and these are the basic steps:

1. Right-click on the speaker icon at your system tray, and choose Playback devices, which opens up Playback tab in Sound dialog box.

2. Right-click the device, and choose Properties.

3. In Speakers properties window, go to Enhancements, and check “Loudness Equalization” option.