Can you use the page-down and arrow keys to navigate the list? Which Display Manager ( [kxg]dm ) are you using? Try a different one if the keyboard navigation does not work. On 04/09/2015 09:17 AM, Ole Holm Nielsen wrote: > After we upgraded our CentOS 7.0 desktops to CentOS 7.1, a critical error in > the graphical login screen has appeared on all 7.1 machines: > > We have 100+ users defined in /etc/passwd, and a list of names is presented on > the initial login screen. However, it's impossible to scroll up or down in > this user list to select the desired user. The middle mouse button seems to > be disabled, so scrolling has become impossible! One can use the left and > right mouse buttons to select one of the users in view, but no one else. > > This seems definitely to be a critical bug in CentOS 7.1. > > Workarounds: > > 1. Log in non-graphically using Ctrl-Alt-F2, then run the command startx. > > 2. Trim down /etc/passwd to 1 (or a few) relevant users. > > > -- > > > ********************************************************* > David P. Both, RHCE > Millennium Technology Consulting LLC > Raleigh, NC, USA > 919-389-8678 > > dboth at millennium-technology.com > > www.millennium-technology.com > www.databook.bz - Home of the DataBook for Linux > DataBook is a Registered Trademark of David Both > ********************************************************* > This communication may be unlawfully collected and stored by the National > Security Agency (NSA) in secret. The parties to this email do not consent to the > retrieving or storing of this communication and any related metadata, as well as > printing, copying, re-transmitting, disseminating, or otherwise using it. If you > believe you have received this communication in error, please delete it > immediately. >