Lenovo global support home. lenovo inc. view. X220 laptop (thinkpad) please select. back windows 7 (64-bit). Sm bus controller. universal serial bus (usb) controller t540p windows 7 64 bit 'other devices' drivers hi and welcome, jf7dk at least, intel chipset driver isn't installed. get it on the lenovo support site. i'd suggest to install lenovo thinkvantage system update app, it'll scan and find out all drivers and updates needed..
If you has any drivers problem, just download driver detection tool, this professional drivers tool will help you fix the driver problem for windows 10, 8, 7, vista and xp. here is the list of lenovo thinkpad x220 drivers we have for you.. Lenovo thinkpad x220 laptop drivers. install drivers automatically. windows xp, 7, 8, 8.1, 10 (x64, x86) category: lenovo laptops. driver description. here you can download drivers for lenovo thinkpad x220 laptop, or download software for automatic driver installation and update from driverpack solution.. How to fix 'sm bus controller doesn't have a driver' problem in windows 7 64 bit operating system. are you getting yellow exclamation warning symbol over the sm bus controller shown under 'other.