I’ve recently bought a new acer aspire one D150-1189 laptop with windows 7 built 7100. I’m trying to format my hard disk, but some problem is occurring while formatting. One of my friend has suggested me to download a diagnostic software from manufacturer r website. I’ve downloaded that software from another website and installed in my system, after installing when I restarted my system to run a new program, none of my usb port works. My all the input device are usb, including mouse, keyboard. Also my system won’t work in safe mode with command prompt. I don’t understand what to do, how to resolve this issue. Please give your opinion on this, please suggest some tips to resolve this issue. Your any help will appreciated.
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