this bugs still not solve in ubuntu 12.04...need to reset bios memory to fix this. hope you can fix this bugs
my pc info root@Ive:~# cat /proc/cpuinfo processor : 0 vendor_id : GenuineIntel cpu family : 15 model : 4 model name : Intel(R) Pentium(R) 4 CPU 2.80GHz stepping : 1 microcode : 0x17 cpu MHz : 2799.971 cache size : 1024 KB physical id : 0 siblings : 2 core id : 0 cpu cores : 1 apicid : 0 initial apicid : 0 fdiv_bug : no hlt_bug : no f00f_bug : no coma_bug : no fpu : yes fpu_exception : yes cpuid level : 5 wp : yes flags : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe nx constant_tsc pebs bts pni dtes64 monitor ds_cpl cid xtpr bogomips : 5599.94 clflush size : 64 cache_alignment : 128 address sizes : 36 bits physical, 32 bits virtual power management: processor : 1 vendor_id : GenuineIntel cpu family : 15 model : 4 model name : Intel(R) Pentium(R) 4 CPU 2.80GHz stepping : 1 microcode : 0x17 cpu MHz : 2799.971 cache size : 1024 KB physical id : 0 siblings : 2 core id : 0 cpu cores : 1 apicid : 1 initial apicid : 1 fdiv_bug : no hlt_bug : no f00f_bug : no coma_bug : no fpu : yes fpu_exception : yes cpuid level : 5 wp : yes flags : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe nx constant_tsc pebs bts pni dtes64 monitor ds_cpl cid xtpr bogomips : 5600.30 clflush size : 64 cache_alignment : 128 address sizes : 36 bits physical, 32 bits virtual power management: -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/721385 Title: Computer will not boot after shutdown or restart To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/721385/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs