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电脑长时间不开机，现在家里的两台机子都进不了系统了，显示器一点反应都没有，机箱里硬盘也没有运转的声音，电源正常 Operating system:Windows 7 Ultimate (64 bit) Service Pack 1 System root: C:\Windows Available physical memory: 4000 MB CPU: Intel® Core i5-2430M CPU @ 2.40GHz Drive Info: C: 78.24 GB D: 174.14 GB E: 272.13 GB F: 174.12 GB Internet Explorer: 9.0