This are the steps :
- Download and install latest version of pclink for PC from here.
- Make sure PCLink is running in Foreground on Asus Zenfone 5 and in settings on rightmost topmost corner click on USB icon and then check the MTP checkbox.
- Click connect on PCLink on PC.
- If Asus USB Driver for Zenfone 5 is properly installed on your PC.You will see 'Asus Android Device' in your Device Manager otherwise install Asus USB Driver for Zenfone 5 from here
then try again
- Now you will be able to see your device online in Android Studio and screen of your device on PCLink software on your PC.
I haven't tried for eclipse but it might work for that also.