Unwanted change of resolution from 1366x768 to 1280x720Stuck at 800x600 display resolution Ubuntu 14Ubuntu 16.04 external monitors black screen “Could not set the configuration for CRTC”Can't change current resolution (NVIDIA)Steps to add a new resolution 1366x768 @ 60 (Troubleshooting)Ubuntu 18.04.1 LTS unable to change resolutionUbuntu 18.04.2 LTS Screen Resolution

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Unwanted change of resolution from 1366x768 to 1280x720


Stuck at 800x600 display resolution Ubuntu 14Ubuntu 16.04 external monitors black screen “Could not set the configuration for CRTC”Can't change current resolution (NVIDIA)Steps to add a new resolution 1366x768 @ 60 (Troubleshooting)Ubuntu 18.04.1 LTS unable to change resolutionUbuntu 18.04.2 LTS Screen Resolution






.everyoneloves__top-leaderboard:empty,.everyoneloves__mid-leaderboard:empty,.everyoneloves__bot-mid-leaderboard:empty
margin-bottom:0;









1


















I set my screen, using setting->display->screen->resolution to 1366x768(16:9) when I installed Ubuntu two months ago, which worked well until yesterday.



Now I see 1280x720 (16:9) with a black frame at the screen borders.



I use Ubuntu as my primary OS, and have for the last 2 months, with no virtualization.



my laptop's details:
model name : AMD E2-9000 RADEON R2, 4 COMPUTE CORES 2C+2G
description: Motherboard
product: Squirtle_SR
vendor: SR
physical id: 0
version: V1.12
serial: NBGNV1100D83303DB97600
product: AMD E2-9000 RADEON R2, 4 COMPUTE CORES 2C+2G
00:01.0 VGA compatible controller: Advanced Micro Devices, Inc. [AMD/ATI] Stoney [Radeon R2/R3/R4/R5 Graphics] (rev d2) (prog-if 00 [VGA controller])
Subsystem: Acer Incorporated [ALI] Device 1192
Flags: bus master, fast devsel, latency 0, IRQ 43
Memory at e8000000 (64-bit, prefetchable) [size=128M]
Memory at f0000000 (64-bit, prefetchable) [size=8M]
I/O ports at 3000 [size=256]
Memory at f0d00000 (32-bit, non-prefetchable) [size=256K]
Expansion ROM at 000c0000 [disabled] [size=128K]
Capabilities:
Kernel driver in use: amdgpu
Kernel modules: amdgpu
*-memory
description: System memory
physical id: 0
size: 3883MiB
*-cpu
product: AMD E2-9000 RADEON R2, 4 COMPUTE CORES 2C+2G
vendor: Advanced Micro Devices [AMD]
physical id: 1
bus info: cpu@0
size: 2123MHz
width: 64 bits
capabilities: fpu fpu_exception wp vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush mmx fxsr sse sse2 ht syscall nx mmxext fxsr_opt pdpe1gb rdtscp x86-64 constant_tsc rep_good acc_power nopl nonstop_tsc cpuid extd_apicid aperfmperf pni pclmulqdq monitor ssse3 fma cx16 sse4_1 sse4_2 movbe popcnt aes xsave avx f16c rdrand lahf_lm cmp_legacy svm extapic cr8_legacy abm sse4a misalignsse 3dnowprefetch osvw ibs xop skinit wdt lwp fma4 tce nodeid_msr tbm perfctr_core perfctr_nb bpext ptsc mwaitx cpb hw_pstate ssbd ibpb vmmcall fsgsbase bmi1 avx2 smep bmi2 xsaveopt arat npt lbrv svm_lock nrip_save tsc_scale vmcb_clean flushbyasid decodeassists pausefilter pfthreshold avic v_vmsave_vmload vgif overflow_recov cpufreq
*-pci:0
description: Host bridge
product: Family 15h (Models 60h-6fh) Processor Root Complex
vendor: Advanced Micro Devices, Inc. [AMD]
physical id: 100
bus info: pci@0000:00:00.0
version: 00
width: 32 bits
clock: 33MHz



 *-display
 description: VGA compatible controller
 product: Stoney [Radeon R2/R3/R4/R5 Graphics]
 vendor: Advanced Micro Devices, Inc. [AMD/ATI]
 physical id: 1
 bus info: pci@0000:00:01.0
 version: d2
 width: 64 bits
 clock: 33MHz
 capabilities: vga_controller bus_master cap_list rom
 configuration: driver=amdgpu latency=0
 resources: irq:43 memory:e8000000-efffffff memory:f0000000-f07fffff ioport:3000(size=256) memory:f0d00000-f0d3ffff memory:c0000-dffff
 *-multimedia:0
 description: Audio device
 product: Advanced Micro Devices, Inc. [AMD/ATI]
 vendor: Advanced Micro Devices, Inc. [AMD/ATI]
 physical id: 1.1
 bus info: pci@0000:00:01.1
 version: 00
 width: 64 bits
 clock: 33MHz
 capabilities: bus_master cap_list
 configuration: driver=snd_hda_intel latency=0
 resources: irq:40 memory:f0d60000-f0d63fff
 *-pci:0
 description: PCI bridge
 product: Family 15h (Models 60h-6fh) Processor Root Port
 vendor: Advanced Micro Devices, Inc. [AMD]
 physical id: 2.1
 bus info: pci@0000:00:02.1
 version: 00
 width: 32 bits
 clock: 33MHz
 capabilities: pci normal_decode bus_master cap_list
 configuration: driver=pcieport
 resources: irq:26 ioport:1000(size=4096) memory:f0e00000-f0ffffff ioport:f1000000(size=2097152)


How may I troubleshoot this problem?






display-resolution







share|improve this question



























  • What's your laptop? Please open a terminal, and run cat /proc/cpuinfo | grep "model name" && sudo lshw | grep -A5 "Moth" && lshw | grep product | head -n1 && lspci -v -s $(lspci | grep ' VGA ' | cut -d" " -f 1) && lshw | grep -v "loop" then click edit to add the facts to your question. Please do not click Add Comment, please use edit instead. Editing tips are at askubuntu.com/editing-help#code .

    – K7AAY
    Sep 18 at 16:31

















1


















I set my screen, using setting->display->screen->resolution to 1366x768(16:9) when I installed Ubuntu two months ago, which worked well until yesterday.



Now I see 1280x720 (16:9) with a black frame at the screen borders.



I use Ubuntu as my primary OS, and have for the last 2 months, with no virtualization.



my laptop's details:
model name : AMD E2-9000 RADEON R2, 4 COMPUTE CORES 2C+2G
description: Motherboard
product: Squirtle_SR
vendor: SR
physical id: 0
version: V1.12
serial: NBGNV1100D83303DB97600
product: AMD E2-9000 RADEON R2, 4 COMPUTE CORES 2C+2G
00:01.0 VGA compatible controller: Advanced Micro Devices, Inc. [AMD/ATI] Stoney [Radeon R2/R3/R4/R5 Graphics] (rev d2) (prog-if 00 [VGA controller])
Subsystem: Acer Incorporated [ALI] Device 1192
Flags: bus master, fast devsel, latency 0, IRQ 43
Memory at e8000000 (64-bit, prefetchable) [size=128M]
Memory at f0000000 (64-bit, prefetchable) [size=8M]
I/O ports at 3000 [size=256]
Memory at f0d00000 (32-bit, non-prefetchable) [size=256K]
Expansion ROM at 000c0000 [disabled] [size=128K]
Capabilities:
Kernel driver in use: amdgpu
Kernel modules: amdgpu
*-memory
description: System memory
physical id: 0
size: 3883MiB
*-cpu
product: AMD E2-9000 RADEON R2, 4 COMPUTE CORES 2C+2G
vendor: Advanced Micro Devices [AMD]
physical id: 1
bus info: cpu@0
size: 2123MHz
width: 64 bits
capabilities: fpu fpu_exception wp vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush mmx fxsr sse sse2 ht syscall nx mmxext fxsr_opt pdpe1gb rdtscp x86-64 constant_tsc rep_good acc_power nopl nonstop_tsc cpuid extd_apicid aperfmperf pni pclmulqdq monitor ssse3 fma cx16 sse4_1 sse4_2 movbe popcnt aes xsave avx f16c rdrand lahf_lm cmp_legacy svm extapic cr8_legacy abm sse4a misalignsse 3dnowprefetch osvw ibs xop skinit wdt lwp fma4 tce nodeid_msr tbm perfctr_core perfctr_nb bpext ptsc mwaitx cpb hw_pstate ssbd ibpb vmmcall fsgsbase bmi1 avx2 smep bmi2 xsaveopt arat npt lbrv svm_lock nrip_save tsc_scale vmcb_clean flushbyasid decodeassists pausefilter pfthreshold avic v_vmsave_vmload vgif overflow_recov cpufreq
*-pci:0
description: Host bridge
product: Family 15h (Models 60h-6fh) Processor Root Complex
vendor: Advanced Micro Devices, Inc. [AMD]
physical id: 100
bus info: pci@0000:00:00.0
version: 00
width: 32 bits
clock: 33MHz



 *-display
 description: VGA compatible controller
 product: Stoney [Radeon R2/R3/R4/R5 Graphics]
 vendor: Advanced Micro Devices, Inc. [AMD/ATI]
 physical id: 1
 bus info: pci@0000:00:01.0
 version: d2
 width: 64 bits
 clock: 33MHz
 capabilities: vga_controller bus_master cap_list rom
 configuration: driver=amdgpu latency=0
 resources: irq:43 memory:e8000000-efffffff memory:f0000000-f07fffff ioport:3000(size=256) memory:f0d00000-f0d3ffff memory:c0000-dffff
 *-multimedia:0
 description: Audio device
 product: Advanced Micro Devices, Inc. [AMD/ATI]
 vendor: Advanced Micro Devices, Inc. [AMD/ATI]
 physical id: 1.1
 bus info: pci@0000:00:01.1
 version: 00
 width: 64 bits
 clock: 33MHz
 capabilities: bus_master cap_list
 configuration: driver=snd_hda_intel latency=0
 resources: irq:40 memory:f0d60000-f0d63fff
 *-pci:0
 description: PCI bridge
 product: Family 15h (Models 60h-6fh) Processor Root Port
 vendor: Advanced Micro Devices, Inc. [AMD]
 physical id: 2.1
 bus info: pci@0000:00:02.1
 version: 00
 width: 32 bits
 clock: 33MHz
 capabilities: pci normal_decode bus_master cap_list
 configuration: driver=pcieport
 resources: irq:26 ioport:1000(size=4096) memory:f0e00000-f0ffffff ioport:f1000000(size=2097152)


How may I troubleshoot this problem?






display-resolution







share|improve this question



























  • What's your laptop? Please open a terminal, and run cat /proc/cpuinfo | grep "model name" && sudo lshw | grep -A5 "Moth" && lshw | grep product | head -n1 && lspci -v -s $(lspci | grep ' VGA ' | cut -d" " -f 1) && lshw | grep -v "loop" then click edit to add the facts to your question. Please do not click Add Comment, please use edit instead. Editing tips are at askubuntu.com/editing-help#code .

    – K7AAY
    Sep 18 at 16:31













1













1









1








I set my screen, using setting->display->screen->resolution to 1366x768(16:9) when I installed Ubuntu two months ago, which worked well until yesterday.



Now I see 1280x720 (16:9) with a black frame at the screen borders.



I use Ubuntu as my primary OS, and have for the last 2 months, with no virtualization.



my laptop's details:
model name : AMD E2-9000 RADEON R2, 4 COMPUTE CORES 2C+2G
description: Motherboard
product: Squirtle_SR
vendor: SR
physical id: 0
version: V1.12
serial: NBGNV1100D83303DB97600
product: AMD E2-9000 RADEON R2, 4 COMPUTE CORES 2C+2G
00:01.0 VGA compatible controller: Advanced Micro Devices, Inc. [AMD/ATI] Stoney [Radeon R2/R3/R4/R5 Graphics] (rev d2) (prog-if 00 [VGA controller])
Subsystem: Acer Incorporated [ALI] Device 1192
Flags: bus master, fast devsel, latency 0, IRQ 43
Memory at e8000000 (64-bit, prefetchable) [size=128M]
Memory at f0000000 (64-bit, prefetchable) [size=8M]
I/O ports at 3000 [size=256]
Memory at f0d00000 (32-bit, non-prefetchable) [size=256K]
Expansion ROM at 000c0000 [disabled] [size=128K]
Capabilities:
Kernel driver in use: amdgpu
Kernel modules: amdgpu
*-memory
description: System memory
physical id: 0
size: 3883MiB
*-cpu
product: AMD E2-9000 RADEON R2, 4 COMPUTE CORES 2C+2G
vendor: Advanced Micro Devices [AMD]
physical id: 1
bus info: cpu@0
size: 2123MHz
width: 64 bits
capabilities: fpu fpu_exception wp vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush mmx fxsr sse sse2 ht syscall nx mmxext fxsr_opt pdpe1gb rdtscp x86-64 constant_tsc rep_good acc_power nopl nonstop_tsc cpuid extd_apicid aperfmperf pni pclmulqdq monitor ssse3 fma cx16 sse4_1 sse4_2 movbe popcnt aes xsave avx f16c rdrand lahf_lm cmp_legacy svm extapic cr8_legacy abm sse4a misalignsse 3dnowprefetch osvw ibs xop skinit wdt lwp fma4 tce nodeid_msr tbm perfctr_core perfctr_nb bpext ptsc mwaitx cpb hw_pstate ssbd ibpb vmmcall fsgsbase bmi1 avx2 smep bmi2 xsaveopt arat npt lbrv svm_lock nrip_save tsc_scale vmcb_clean flushbyasid decodeassists pausefilter pfthreshold avic v_vmsave_vmload vgif overflow_recov cpufreq
*-pci:0
description: Host bridge
product: Family 15h (Models 60h-6fh) Processor Root Complex
vendor: Advanced Micro Devices, Inc. [AMD]
physical id: 100
bus info: pci@0000:00:00.0
version: 00
width: 32 bits
clock: 33MHz



 *-display
 description: VGA compatible controller
 product: Stoney [Radeon R2/R3/R4/R5 Graphics]
 vendor: Advanced Micro Devices, Inc. [AMD/ATI]
 physical id: 1
 bus info: pci@0000:00:01.0
 version: d2
 width: 64 bits
 clock: 33MHz
 capabilities: vga_controller bus_master cap_list rom
 configuration: driver=amdgpu latency=0
 resources: irq:43 memory:e8000000-efffffff memory:f0000000-f07fffff ioport:3000(size=256) memory:f0d00000-f0d3ffff memory:c0000-dffff
 *-multimedia:0
 description: Audio device
 product: Advanced Micro Devices, Inc. [AMD/ATI]
 vendor: Advanced Micro Devices, Inc. [AMD/ATI]
 physical id: 1.1
 bus info: pci@0000:00:01.1
 version: 00
 width: 64 bits
 clock: 33MHz
 capabilities: bus_master cap_list
 configuration: driver=snd_hda_intel latency=0
 resources: irq:40 memory:f0d60000-f0d63fff
 *-pci:0
 description: PCI bridge
 product: Family 15h (Models 60h-6fh) Processor Root Port
 vendor: Advanced Micro Devices, Inc. [AMD]
 physical id: 2.1
 bus info: pci@0000:00:02.1
 version: 00
 width: 32 bits
 clock: 33MHz
 capabilities: pci normal_decode bus_master cap_list
 configuration: driver=pcieport
 resources: irq:26 ioport:1000(size=4096) memory:f0e00000-f0ffffff ioport:f1000000(size=2097152)


How may I troubleshoot this problem?






display-resolution







share|improve this question
















I set my screen, using setting->display->screen->resolution to 1366x768(16:9) when I installed Ubuntu two months ago, which worked well until yesterday.



Now I see 1280x720 (16:9) with a black frame at the screen borders.



I use Ubuntu as my primary OS, and have for the last 2 months, with no virtualization.



my laptop's details:
model name : AMD E2-9000 RADEON R2, 4 COMPUTE CORES 2C+2G
description: Motherboard
product: Squirtle_SR
vendor: SR
physical id: 0
version: V1.12
serial: NBGNV1100D83303DB97600
product: AMD E2-9000 RADEON R2, 4 COMPUTE CORES 2C+2G
00:01.0 VGA compatible controller: Advanced Micro Devices, Inc. [AMD/ATI] Stoney [Radeon R2/R3/R4/R5 Graphics] (rev d2) (prog-if 00 [VGA controller])
Subsystem: Acer Incorporated [ALI] Device 1192
Flags: bus master, fast devsel, latency 0, IRQ 43
Memory at e8000000 (64-bit, prefetchable) [size=128M]
Memory at f0000000 (64-bit, prefetchable) [size=8M]
I/O ports at 3000 [size=256]
Memory at f0d00000 (32-bit, non-prefetchable) [size=256K]
Expansion ROM at 000c0000 [disabled] [size=128K]
Capabilities:
Kernel driver in use: amdgpu
Kernel modules: amdgpu
*-memory
description: System memory
physical id: 0
size: 3883MiB
*-cpu
product: AMD E2-9000 RADEON R2, 4 COMPUTE CORES 2C+2G
vendor: Advanced Micro Devices [AMD]
physical id: 1
bus info: cpu@0
size: 2123MHz
width: 64 bits
capabilities: fpu fpu_exception wp vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush mmx fxsr sse sse2 ht syscall nx mmxext fxsr_opt pdpe1gb rdtscp x86-64 constant_tsc rep_good acc_power nopl nonstop_tsc cpuid extd_apicid aperfmperf pni pclmulqdq monitor ssse3 fma cx16 sse4_1 sse4_2 movbe popcnt aes xsave avx f16c rdrand lahf_lm cmp_legacy svm extapic cr8_legacy abm sse4a misalignsse 3dnowprefetch osvw ibs xop skinit wdt lwp fma4 tce nodeid_msr tbm perfctr_core perfctr_nb bpext ptsc mwaitx cpb hw_pstate ssbd ibpb vmmcall fsgsbase bmi1 avx2 smep bmi2 xsaveopt arat npt lbrv svm_lock nrip_save tsc_scale vmcb_clean flushbyasid decodeassists pausefilter pfthreshold avic v_vmsave_vmload vgif overflow_recov cpufreq
*-pci:0
description: Host bridge
product: Family 15h (Models 60h-6fh) Processor Root Complex
vendor: Advanced Micro Devices, Inc. [AMD]
physical id: 100
bus info: pci@0000:00:00.0
version: 00
width: 32 bits
clock: 33MHz



 *-display
 description: VGA compatible controller
 product: Stoney [Radeon R2/R3/R4/R5 Graphics]
 vendor: Advanced Micro Devices, Inc. [AMD/ATI]
 physical id: 1
 bus info: pci@0000:00:01.0
 version: d2
 width: 64 bits
 clock: 33MHz
 capabilities: vga_controller bus_master cap_list rom
 configuration: driver=amdgpu latency=0
 resources: irq:43 memory:e8000000-efffffff memory:f0000000-f07fffff ioport:3000(size=256) memory:f0d00000-f0d3ffff memory:c0000-dffff
 *-multimedia:0
 description: Audio device
 product: Advanced Micro Devices, Inc. [AMD/ATI]
 vendor: Advanced Micro Devices, Inc. [AMD/ATI]
 physical id: 1.1
 bus info: pci@0000:00:01.1
 version: 00
 width: 64 bits
 clock: 33MHz
 capabilities: bus_master cap_list
 configuration: driver=snd_hda_intel latency=0
 resources: irq:40 memory:f0d60000-f0d63fff
 *-pci:0
 description: PCI bridge
 product: Family 15h (Models 60h-6fh) Processor Root Port
 vendor: Advanced Micro Devices, Inc. [AMD]
 physical id: 2.1
 bus info: pci@0000:00:02.1
 version: 00
 width: 32 bits
 clock: 33MHz
 capabilities: pci normal_decode bus_master cap_list
 configuration: driver=pcieport
 resources: irq:26 ioport:1000(size=4096) memory:f0e00000-f0ffffff ioport:f1000000(size=2097152)


How may I troubleshoot this problem?






display-resolution




display-resolution






share|improve this question















share|improve this question













share|improve this question




share|improve this question








edited Sep 19 at 0:31







Sandeep Maurya

















asked Sep 18 at 10:12









Sandeep MauryaSandeep Maurya

112 bronze badges




112 bronze badges















  • What's your laptop? Please open a terminal, and run cat /proc/cpuinfo | grep "model name" && sudo lshw | grep -A5 "Moth" && lshw | grep product | head -n1 && lspci -v -s $(lspci | grep ' VGA ' | cut -d" " -f 1) && lshw | grep -v "loop" then click edit to add the facts to your question. Please do not click Add Comment, please use edit instead. Editing tips are at askubuntu.com/editing-help#code .

    – K7AAY
    Sep 18 at 16:31

















  • What's your laptop? Please open a terminal, and run cat /proc/cpuinfo | grep "model name" && sudo lshw | grep -A5 "Moth" && lshw | grep product | head -n1 && lspci -v -s $(lspci | grep ' VGA ' | cut -d" " -f 1) && lshw | grep -v "loop" then click edit to add the facts to your question. Please do not click Add Comment, please use edit instead. Editing tips are at askubuntu.com/editing-help#code .

    – K7AAY
    Sep 18 at 16:31
















What's your laptop? Please open a terminal, and run cat /proc/cpuinfo | grep "model name" && sudo lshw | grep -A5 "Moth" && lshw | grep product | head -n1 && lspci -v -s $(lspci | grep ' VGA ' | cut -d" " -f 1) && lshw | grep -v "loop" then click edit to add the facts to your question. Please do not click Add Comment, please use edit instead. Editing tips are at askubuntu.com/editing-help#code .

– K7AAY
Sep 18 at 16:31





What's your laptop? Please open a terminal, and run cat /proc/cpuinfo | grep "model name" && sudo lshw | grep -A5 "Moth" && lshw | grep product | head -n1 && lspci -v -s $(lspci | grep ' VGA ' | cut -d" " -f 1) && lshw | grep -v "loop" then click edit to add the facts to your question. Please do not click Add Comment, please use edit instead. Editing tips are at askubuntu.com/editing-help#code .

– K7AAY
Sep 18 at 16:31










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