Ubuntu падает с пустым экраном

Я установил 32-разрядный Ubuntu Linux 16.04 (Kernel 4.4.0-53-generic). У меня возникла странная проблема после нескольких часов работы. Система выходит из строя с черным экраном, и НИЧЕГО работает (например, система выключается)! Затем я вручную запустил систему и проверил файл / var / log / syslog, и перед сбоем системы появилось несколько строк, как показано ниже.

Dec 13 09:36:06 fremb0008 ntpd[1559]: Soliciting pool server 91.189.94.4 Dec 13 09:36:07 fremb0008 ntpd[1559]: Soliciting pool server 46.4.54.78 Dec 13 09:36:07 fremb0008 ntpd[1559]: Soliciting pool server 193.175.73.151 Dec 13 09:36:13 fremb0008 ntpd[1559]: Soliciting pool server 131.234.137.64 Dec 13 09:37:10 fremb0008 ntpd[1559]: Soliciting pool server 2001:638:504:2000::36 Dec 13 09:37:13 fremb0008 ntpd[1559]: Soliciting pool server 91.189.89.198 Dec 13 09:37:13 fremb0008 ntpd[1559]: Soliciting pool server 129.70.132.34 Dec 13 09:37:14 fremb0008 ntpd[1559]: Soliciting pool server 178.162.194.82 Dec 13 09:37:17 fremb0008 ntpd[1559]: Soliciting pool server 144.76.14.132 Dec 13 09:38:16 fremb0008 ntpd[1559]: Soliciting pool server 2001:a60::123:1 Dec 13 09:38:18 fremb0008 ntpd[1559]: Soliciting pool server 176.9.41.109 Dec 13 09:38:18 fremb0008 ntpd[1559]: Soliciting pool server 213.95.21.43 Dec 13 09:38:19 fremb0008 ntpd[1559]: Soliciting pool server 91.189.89.199 Dec 13 09:38:24 fremb0008 ntpd[1559]: Soliciting pool server 188.68.58.36 Dec 13 09:39:22 fremb0008 ntpd[1559]: Soliciting pool server 176.9.82.67 Dec 13 09:39:22 fremb0008 ntpd[1559]: Soliciting pool server 5.9.49.12 Dec 13 09:39:24 fremb0008 ntpd[1559]: Soliciting pool server 129.70.132.36 Dec 13 09:39:26 fremb0008 ntpd[1559]: Soliciting pool server 2001:67c:1560:8003::c7 Dec 13 09:39:30 fremb0008 ntpd[1559]: Soliciting pool server 5.9.44.47 Dec 13 09:40:28 fremb0008 ntpd[1559]: Soliciting pool server 213.172.105.106 Dec 13 09:40:29 fremb0008 ntpd[1559]: Soliciting pool server 46.4.54.78 Dec 13 09:40:29 fremb0008 ntpd[1559]: Soliciting pool server 95.142.67.61 Dec 13 09:40:30 fremb0008 ntpd[1559]: Soliciting pool server 2001:67c:1560:8003::c8 Dec 13 09:40:34 fremb0008 ntpd[1559]: Soliciting pool server 131.234.137.64

Примечание: система НЕ имеет подключения к Интернету.

Нормально ли это сообщение? Я не уверен, что NTP-сервер разбивает систему. Мне нужны ваши ребята!

EDIT

Выход lspci | grep VGA

00:02.0 VGA compatible controller: Intel Corporation Atom Processor Z36xxx/Z37xxx Series Graphics & Display (rev 0e)

и вывод lspci | grep VGA

processor : 0 vendor_id : GenuineIntel cpu family : 6 model : 55 model name : Intel(R) Celeron(R) CPU N2930 @ 1.83GHz stepping : 8 microcode : 0x829 cpu MHz : 2165.760 cache size : 1024 KB physical id : 0 siblings : 4 core id : 0 cpu cores : 4 apicid : 0 initial apicid : 0 fdiv_bug : no f00f_bug : no coma_bug : no fpu : yes fpu_exception : yes cpuid level : 11 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 rdtscp lm constant_tsc arch_perfmon pebs bts xtopology nonstop_tsc aperfmperf pni pclmulqdq dtes64 monitor ds_cpl vmx est tm2 ssse3 cx16 xtpr pdcm sse4_1 sse4_2 movbe popcnt tsc_deadline_timer rdrand lahf_lm 3dnowprefetch epb tpr_shadow vnmi flexpriority ept vpid tsc_adjust smep erms dtherm ida arat bugs : bogomips : 3660.80 clflush size : 64 cache_alignment : 64 address sizes : 36 bits physical, 48 bits virtual power management: processor : 1 vendor_id : GenuineIntel cpu family : 6 model : 55 model name : Intel(R) Celeron(R) CPU N2930 @ 1.83GHz stepping : 8 microcode : 0x829 cpu MHz : 2165.760 cache size : 1024 KB physical id : 0 siblings : 4 core id : 1 cpu cores : 4 apicid : 2 initial apicid : 2 fdiv_bug : no f00f_bug : no coma_bug : no fpu : yes fpu_exception : yes cpuid level : 11 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 rdtscp lm constant_tsc arch_perfmon pebs bts xtopology nonstop_tsc aperfmperf pni pclmulqdq dtes64 monitor ds_cpl vmx est tm2 ssse3 cx16 xtpr pdcm sse4_1 sse4_2 movbe popcnt tsc_deadline_timer rdrand lahf_lm 3dnowprefetch epb tpr_shadow vnmi flexpriority ept vpid tsc_adjust smep erms dtherm ida arat bugs : bogomips : 3660.80 clflush size : 64 cache_alignment : 64 address sizes : 36 bits physical, 48 bits virtual power management: processor : 2 vendor_id : GenuineIntel cpu family : 6 model : 55 model name : Intel(R) Celeron(R) CPU N2930 @ 1.83GHz stepping : 8 microcode : 0x829 cpu MHz : 2165.760 cache size : 1024 KB physical id : 0 siblings : 4 core id : 2 cpu cores : 4 apicid : 4 initial apicid : 4 fdiv_bug : no f00f_bug : no coma_bug : no fpu : yes fpu_exception : yes cpuid level : 11 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 rdtscp lm constant_tsc arch_perfmon pebs bts xtopology nonstop_tsc aperfmperf pni pclmulqdq dtes64 monitor ds_cpl vmx est tm2 ssse3 cx16 xtpr pdcm sse4_1 sse4_2 movbe popcnt tsc_deadline_timer rdrand lahf_lm 3dnowprefetch epb tpr_shadow vnmi flexpriority ept vpid tsc_adjust smep erms dtherm ida arat bugs : bogomips : 3660.80 clflush size : 64 cache_alignment : 64 address sizes : 36 bits physical, 48 bits virtual power management: processor : 3 vendor_id : GenuineIntel cpu family : 6 model : 55 model name : Intel(R) Celeron(R) CPU N2930 @ 1.83GHz stepping : 8 microcode : 0x829 cpu MHz : 2165.760 cache size : 1024 KB physical id : 0 siblings : 4 core id : 3 cpu cores : 4 apicid : 6 initial apicid : 6 fdiv_bug : no f00f_bug : no coma_bug : no fpu : yes fpu_exception : yes cpuid level : 11 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 rdtscp lm constant_tsc arch_perfmon pebs bts xtopology nonstop_tsc aperfmperf pni pclmulqdq dtes64 monitor ds_cpl vmx est tm2 ssse3 cx16 xtpr pdcm sse4_1 sse4_2 movbe popcnt tsc_deadline_timer rdrand lahf_lm 3dnowprefetch epb tpr_shadow vnmi flexpriority ept vpid tsc_adjust smep erms dtherm ida arat bugs : bogomips : 3660.80 clflush size : 64 cache_alignment : 64 address sizes : 36 bits physical, 48 bits virtual power management: