I recently installed CENTOS 7 on a Lenovo P50 Laptop that has 4096 megabytes of memory. The problem that I'm having is the size of the fonts on the application bar on at the top of the screen and the task bar at the bottom of the screen. The text is simply to small, its almost to the point of being unreadable. I used the Tweak Tool to try and adjust the font size but so far I'm having no luck at all. Does anyone know how to change the font size on the task bar at the bottom of the screen and the application bar at the top of the screen? My video card is a Nvidia Quadro M2000M with 4096 megabytes of memory. I was unable to successfully load the Nvidia drivers for the video card. However this problem existed before the drivers were loaded.

What I found very strange was that if I sign-on to my system using the root userid both the Application Bar at the top of the screen and the Task Bar at the bottom of the screen are at a size making therm very readable. Again using the Tweak Tool I've set the parameters to the same values but that has no effect on the size of the fonts when I sign-on using my own userid.

How do I set the font size on the Task Bar and Application Bar?

Thanks

One way is to find the Display settings in CentOS and change the screen resolution. You may have to try a few to find the correct ratio and a comfortable size. I have a Lenovo Yoga set to 1920x1080, and its still small, but readable. My original Linux install set it at 3200x1800, and that was awful. Good luck!

Thanks for your help, do think switching to another Desktop such as KDE would help?

It's possible, but I doubt it. Installations probably are trying to give you the best resolution your screen is capable of... makes sense, right? But higher resolutions causes fonts and desktop icons to be smaller. Every distribution is different though, so KDE (or others) may vary. I don't use KDE, but it is said to be one of the most configurable desktops If changing the screen resolution trick is not enough, you might try it out and see if it helps you more.

at least it would be easier to change font sizes.
gnome is notorious for disabling users to customise their systems.

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In the days of old -dpi 75 for X was default. Which you could override if you started X manually.

$ startx -- :0 -dpi 100

These days -dpi 100 is probably the default. A dpi of 96 has been the browser default for a while (If you wanted to be close to the internet explorer font size), probably not applicable these days. With the Xft font daemon for things that don't use modern (less ancient?) fontconfig ways.

$ COLUMNS=300 ps faux | grep X

Things like xrdb with files like $HOME/.Xresources and $HOME/.Xdefaults can help set settings to include default fonts and font sizes. Although more old school and probably in the way if using something modern like gnome or kde.

$ xprop | grep WM_CLASS\(STRING\)
$ appres XTerm

To help know what properties could be set with .Xresources and friends.

http://www.cs.cmu.edu/~help/download...sers_guide.pdf

Useful apps at the end for knowing things about your X.

With my Debian Jessie OS with MATE DE, I can control the size of the panel by right tapping ---> properties and then choosing the pixel size. Oh, mine is a laptop.