Can't install S2440L to my new computer

​Hi, ​

​I have:​

​Dell S2440L Monitor + Driver ​

​Windows 8 64bit ​

​this is what i get when i'm trying to install it:​

​"The following connected monitors have been detected:​
​HP Plug and Play Monitor - HWP4227​

​Drivers for the following monitors have been found:​
​Dell S2440L(Analog) - DELA08A​
​Dell S2440L(HDMI) - DELA08B​

​Drivers for the following connected monitor can be installed:​
​None​

​Please connect your monitor before running this program."​

​Please help, tnx​