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Windows suddenly doesn't detect USB, Ethernet, Sound!
Hi,
yesterday night the computer was working fine and I didn't download anything
today morning when I opened the computer I found that it didn't detect any of my USB devices (including the mouse) nor the Ethernet cable nor the sound
I tried to do "sfc /scannow" but still nothing is solved
tried on safe mode but the devices still undetected there
when I tried to use windows repair the devices worked fine but I found that all restore points are gone and the devices stopped working again when I booted windows normaly
Now am scanning the computer for viruses but till mow nothing is detected and u doubt that there is any viruses
does anyone knows why that happened and how can I solve it?
I am on Windows 7 x64
thanks in advance