Windows logo testing & I/O error
After getting my computer worked on again (eMachine garbage!), I've been installing programs, drivers, and such. During some of the installations, I'll get a message warning me that a certain program/driver has not passed Windows logo testing. I'm aware of the warnings, but almost everything I've got had that message! Is that something I really need to worry about?
Also, before I had my OS restored, I backed up all of my music files and videos to an external hard drive. I hook it up via USB to put the files back on my PC, and an error message reads, "cannot copy file due to I/O error". What does that mean?