Edit file File name : x86_SandyBridge.xml Content :<cpus> <model name='SandyBridge'> <decode host='on' guest='on'/> <signature family='6' model='42'/> <!-- 0206a0 --> <signature family='6' model='45'/> <!-- 0206d0 --> <vendor name='Intel'/> <feature name='aes'/> <feature name='apic'/> <feature name='avx'/> <feature name='clflush'/> <feature name='cmov'/> <feature name='cx16'/> <feature name='cx8'/> <feature name='de'/> <feature name='fpu'/> <feature name='fxsr'/> <feature name='lahf_lm'/> <feature name='lm'/> <feature name='mca'/> <feature name='mce'/> <feature name='mmx'/> <feature name='msr'/> <feature name='mtrr'/> <feature name='nx'/> <feature name='pae'/> <feature name='pat'/> <feature name='pclmuldq'/> <feature name='pge'/> <feature name='pni'/> <feature name='popcnt'/> <feature name='pse'/> <feature name='pse36'/> <feature name='rdtscp'/> <feature name='sep'/> <feature name='sse'/> <feature name='sse2'/> <feature name='sse4.1'/> <feature name='sse4.2'/> <feature name='ssse3'/> <feature name='syscall'/> <feature name='tsc'/> <feature name='tsc-deadline'/> <feature name='x2apic'/> <feature name='xsave'/> </model> </cpus> Save