![So... on my t430 i just found this on my 4mb bios chip and i have no clue of how to clean it neither what it is. Any help appreciate it... : So... on my t430 i just found this on my 4mb bios chip and i have no clue of how to clean it neither what it is. Any help appreciate it... :](https://preview.redd.it/9vmwketwb4d41.jpg?auto=webp&s=8b58cb7c8d69487c6ec8d5a4e21e4e573679618e)
So... on my t430 i just found this on my 4mb bios chip and i have no clue of how to clean it neither what it is. Any help appreciate it... :
![Lenovo Thinkpad T430 Business Laptop computer Intel i5-3320m up tp 3.3GHz, 8GB DDR3, 128GB SSD, 14in HD LED-backlit display, DVD, WiFi, USB 3.0, Windows 10 Pro (Renewed) : Amazon.ca: Electronics Lenovo Thinkpad T430 Business Laptop computer Intel i5-3320m up tp 3.3GHz, 8GB DDR3, 128GB SSD, 14in HD LED-backlit display, DVD, WiFi, USB 3.0, Windows 10 Pro (Renewed) : Amazon.ca: Electronics](https://m.media-amazon.com/images/I/51HCIODF-0L._AC_SL1500_.jpg)
Lenovo Thinkpad T430 Business Laptop computer Intel i5-3320m up tp 3.3GHz, 8GB DDR3, 128GB SSD, 14in HD LED-backlit display, DVD, WiFi, USB 3.0, Windows 10 Pro (Renewed) : Amazon.ca: Electronics
![Bios Mods -The Best BIOS Update and Modification Source - [REQUEST] Lenovo Thinkpad T430 (G1ETxxWW) Whitelist Removal Bios Mods -The Best BIOS Update and Modification Source - [REQUEST] Lenovo Thinkpad T430 (G1ETxxWW) Whitelist Removal](http://i.imgur.com/CgkZLuD.jpg)