[Duplicate] UT-F8 error on install/boot

When I installed Ubuntu System error message UT-F8 showed but install did complete and no way to access internet from within program.The internet does work with Windows 7 but when I restart with Ubuntu the internet doesn't work.I tried the home page description of problems and resolves but to no avail.What do I do? Also, my drivers for NVidia does not work to download drivers from proprietary software vendor.Without internet from within Ubuntu I have not a way to retrieve.I have an Optiplex 740 Dell with 2 Gig memory and AMDchip QAthlon Dual core processor 5000B 2.60 Ghz. 32-bit Windows 7 OS w/ service tag # 4V2PYK1. NO SUPPORT FOR LOCALE: en-US.ut F8 and no internet connectivity.