Satellite L300 - Windows does not recognize connected device

I have Toshiba L300 Satellite series, PSLB8E. it came with a pre-installed window vista basic version and it was working very good until I decided to upgrade it.
I took it to a computer shop for an upgrade to window ultimate.
This version worked very well for a few weeks so until I got a message on the screen that said: " I must get a genuine copy of windows".
Since from that time I started having problems with my usb ports, my computer could not detect any thing I connect to it (usb, printer, mouse etc) it only worked with modem, sometimes it would open my external hard drive but it did not install its drivers.
I then decided to buy a window 7 home basic but instead of this problem going away it got worse as my usb ports stopped completely from working.
I have tried every trick I can think of but nothing worked. the problem I have is that I do not have the original disc of window vista
Anyone please help!!

I agree: installation of Windows 7 drivers is very important to get all the devices working properly. Windows 7 is much better as Vista OS and I dont see any reasons why your Sat L300 should not work properly with this Win 7 OS.
I recommend you to install the Windows 7 system again by doing completely clean install.
After that, download all the Toshiba Win 7 drivers from the Toshiba EU driver page.
Very important are the drivers like Value Added Package, Chip Set Utility, Card Reader Controller, Display Driver, LAN driver, WLan, Sound Driver, Storage Manager and touchpad driver

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