Monitor will rotate but the screen won't switch from horizontal to verticle position

Control panel,display,appearance color scheme you can change your colour scheme there also you can change other settings
settings you can make adjustments for more or less pixels or from the drop down list pick the appropriate level of color range

control panel administrive tools computer management device manager scoll to ports(com&lpt)right click to scan for hardware changes or scroll to monitors + to expand plug and play monitor right

click where you have options to update driver,disable.uninstall,scan for hardware changes or select properties where in the general you have the option to troubleshoot also in the driver tab you have the same options as when you first right click on monitor

control panel,display,settings you can make adjustments for more or less pixels or from the drop down list pick the appropriate level of color range or
troubleshoot also select advanced then general
dpi normal size,larger size or custom settings

control panel,display,settings you can make adjustments for more or less pixels or from the drop down list pick the appropriate level of color range

hope this helps