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16 changes: 16 additions & 0 deletions docs/troubleshooting/README.md
Original file line number Diff line number Diff line change
Expand Up @@ -171,3 +171,19 @@ Alien Token Check failed - Please get an alien token before running with https C
- Create the AliEn token by executing the `alien.py` command inside the O2Physics environment.
- You should be greeted with `Welcome to the ALICE GRID`.
- Exit with `exit`.

## Graphical issue with high DPI monitors

When using monitors with high DPI the labels and text in TBrowser might be too small, especially when fractional scaling is enabled in multiple
monitors setup. A workaround for this issue is to create a local .rootrc file in the $HOME folder including the following lines, edited with your own
font preferences:

```text
Gui.DefaultFont: -*-helvetica-medium-r-*-*-28-*-*-*-*-*-iso8859-1
Gui.MenuFont: -*-helvetica-medium-r-*-*-32-*-*-*-*-*-iso8859-1
Gui.MenuHiFont: -*-helvetica-bold-r-*-*-32-*-*-*-*-*-iso8859-1
Gui.DocFixedFont: -*-courier-medium-r-*-*-32-*-*-*-*-*-iso8859-1
Gui.DocPropFont: -*-helvetica-medium-r-*-*-32-*-*-*-*-*-iso8859-1
Gui.IconFont: -*-helvetica-medium-r-*-*-28-*-*-*-*-*-iso8859-1
Gui.StatusFont: -*-helvetica-medium-r-*-*-28-*-*-*-*-*-iso8859-1
```
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