Display on second monitor (configured as duplicate) is flickery and difficult to read
Been using Thunderbird for many years, now on Windows 10 pro (21H1 - 19043.1288). I have my Dell Inspiron 5770 lap top (Intel(R) Core(TM) i7-8550U CPU @ 1.80GHz 1.99 GHz) with a second monitor plugged into the HDMI. This second monitor is configured in Windows as a duplicate of the lap top screen. All has been working well for a many many months. Two days ago Thunderbird updated itself to 91.2.1 (32 bit). Since this update the display on the lap top screen is fine but the display on the second monitor flickers (and flickers worse with mouse movement across the Thunderbird window) and parts of the font seem to be missing. It is very hard to read. This applies to the overall display and also to displays of individual email messages. All other Windows applications continue to display correctly : the problem only happens on Thunderbird.
If I run in trouble shooter mode - then the display on the second monitor is 100% ok - ie the problem goes away. I have tried "restart in trouble shoot mode" and then checking the check boxes "Disable all add ons" and "Reset tool bars and controls" and then clicking on "make changes and restart". This makes no difference - the problem still exists.
I tried to use the Windows snipping tool to do a screen shot of the flickering image: but when I try to do the "snip" of the screen the display suddenly appears 100% OK ! So the "snip" jpeg looks ok.
What is "trouble shoot mode" actually doing that affects the display ? Using "trouble shoot mode" is a work around but it would be nice not to have to do this.
Here's a copy of the text from the "trouble shooting information"
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Application Basics
Name: Thunderbird Version: 91.2.1 Build ID: 20211020014537 Distribution ID:
Update Channel: release User Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:91.0) Gecko/20100101 Thunderbird/91.2.1 OS: Windows_NT 10.0 19043
Launcher Process: Enabled Multiprocess Windows: 0/0 Fission Windows: 0/0 Disabled by default Remote Processes: 3 Enterprise Policies: Inactive Google Location Service Key: Missing Google Safebrowsing Key: Missing Mozilla Location Service Key: Missing Safe Mode: false
Mail and News Accounts account2: INCOMING: account2, , (none) Local Folders, 0, 3
account3: INCOMING: account3, , (rss) Feeds, 0, 3
account4: INCOMING: account4, , (imap) cigol.dns-systems.net:993, 3, 3 OUTGOING: , cigol.dns-systems.net:465, 3, 3, true OUTGOING: , cigol.dns-systems.net:465, 3, 3, false
Calendar Settings
Home
Name Value
Name: Type: storage Disabled: Username: URI: Refresh Interval: Read-only: Suppress Alarms: Cache Enabled: iMIP Identity: id1 iMIP Disabled: iMIP Account: Organizer Id: Force Email Scheduling: Popup Alarms Supported: Alarms on Invitation Supported: Max Alarms Per Event: Attachment Supported: Max Categories: Privacy State Supported: Priority Supported: true Event Supported: Task Supported: Local Time Supported: UTC/GMT Supported: Auto-Scheduling Supported:
Crash Reports for the Last 3 Days
Remote Processes
Type: Count
Web Content: 2 / 8 GPU: 1
Add-ons
Name Type Version Enabled ID
Amazon.co.uk extension 1.1 true amazon@search.mozilla.org
Bing extension 1.0 true bing@search.mozilla.org
DuckDuckGo extension 1.0 true ddg@search.mozilla.org
Google extension 1.0 true google@search.mozilla.org
Wikipedia (en) extension 1.0 true wikipedia@search.mozilla.org
Faster autocompletion of e-mail addresses extension 1.0.31 false address-autocomplete@softmaker.com
Provider for Google Calendar extension 91.0.2 false {a62ef8ec-5fdc-40c2-873c-223b8a6925cc}
SoftMaker eM Client Importer extension 1.0.31 false import-emclient@softmaker.com
SoftMaker Enhanced UI extension 1.0.31 false enhanced-ui@softmaker.com
Security Software
Type: Name
Antivirus: Trend Micro Security Agent Antispyware: Firewall: Windows Firewall
Graphics
Features Compositing: WebRender Asynchronous Pan/Zoom: wheel input enabled; scrollbar drag enabled; keyboard enabled; autoscroll enabled; smooth pinch-zoom enabled WebGL 1 Driver WSI Info: EGL_VENDOR: Google Inc. (adapter LUID: 0000000000015bc1)
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EGL_VERSION: 1.5 (ANGLE 2.1.14226 git hash: 31a43497be09) EGL_EXTENSIONS: EGL_EXT_create_context_robustness EGL_ANGLE_d3d_share_handle_client_buffer EGL_ANGLE_d3d_texture_client_buffer EGL_ANGLE_surface_d3d_texture_2d_share_handle EGL_ANGLE_query_surface_pointer EGL_ANGLE_window_fixed_size EGL_ANGLE_keyed_mutex EGL_ANGLE_surface_orientation EGL_ANGLE_direct_composition EGL_NV_post_sub_buffer EGL_KHR_create_context EGL_EXT_device_query EGL_KHR_image EGL_KHR_image_base EGL_KHR_gl_texture_2D_image EGL_KHR_gl_texture_cubemap_image EGL_KHR_gl_renderbuffer_image EGL_KHR_get_all_proc_addresses EGL_KHR_stream EGL_KHR_stream_consumer_gltexture EGL_NV_stream_consumer_gltexture_yuv EGL_ANGLE_flexible_surface_compatibility EGL_ANGLE_stream_producer_d3d_texture EGL_ANGLE_create_context_webgl_compatibility EGL_CHROMIUM_create_context_bind_generates_resource EGL_CHROMIUM_sync_control EGL_EXT_pixel_format_float EGL_KHR_surfaceless_context EGL_ANGLE_display_texture_share_group EGL_ANGLE_display_semaphore_share_group EGL_ANGLE_create_context_client_arrays EGL_ANGLE_program_cache_control EGL_ANGLE_robust_resource_initialization EGL_ANGLE_create_context_extensions_enabled EGL_ANDROID_blob_cache EGL_ANDROID_recordable EGL_ANGLE_image_d3d11_texture EGL_ANGLE_create_context_backwards_compatible EGL_KHR_create_context_no_error EGL_KHR_reusable_sync EGL_EXTENSIONS(nullptr): EGL_EXT_client_extensions EGL_EXT_platform_base EGL_EXT_platform_device EGL_ANGLE_platform_angle EGL_ANGLE_platform_angle_d3d EGL_ANGLE_platform_angle_d3d11on12 EGL_ANGLE_device_creation EGL_ANGLE_device_creation_d3d11 EGL_ANGLE_experimental_present_path EGL_KHR_client_get_all_proc_addresses EGL_KHR_debug EGL_ANGLE_explicit_context EGL_ANGLE_feature_control IsWebglOutOfProcessEnabled: 1
WebGL 2 Driver Renderer: Google Inc. -- ANGLE (Intel(R) UHD Graphics 620 Direct3D11 vs_5_0 ps_5_0) WebGL 2 Driver Version: OpenGL ES 3.0.0 (ANGLE 2.1.14226 git hash: 31a43497be09) WebGL 2 Driver Extensions: GL_ANGLE_base_vertex_base_instance GL_ANGLE_client_arrays GL_ANGLE_copy_texture_3d GL_ANGLE_depth_texture GL_ANGLE_explicit_context GL_ANGLE_explicit_context_gles1 GL_ANGLE_framebuffer_blit GL_ANGLE_framebuffer_multisample GL_ANGLE_get_tex_level_parameter GL_ANGLE_instanced_arrays GL_ANGLE_lossy_etc_decode GL_ANGLE_memory_size GL_ANGLE_multi_draw GL_ANGLE_multiview_multisample GL_ANGLE_pack_reverse_row_order GL_ANGLE_program_cache_control GL_ANGLE_provoking_vertex GL_ANGLE_request_extension GL_ANGLE_texture_compression_dxt3 GL_ANGLE_texture_compression_dxt5 GL_ANGLE_texture_multisample GL_ANGLE_texture_usage GL_ANGLE_translated_shader_source GL_CHROMIUM_bind_generates_resource GL_CHROMIUM_bind_uniform_location GL_CHROMIUM_copy_compressed_texture GL_CHROMIUM_copy_texture GL_CHROMIUM_lose_context GL_CHROMIUM_sync_query GL_EXT_EGL_image_external_wrap_modes GL_EXT_blend_func_extended GL_EXT_blend_minmax GL_EXT_color_buffer_float GL_EXT_color_buffer_half_float GL_EXT_debug_marker GL_EXT_discard_framebuffer GL_EXT_disjoint_timer_query GL_EXT_draw_buffers GL_EXT_draw_buffers_indexed GL_EXT_draw_elements_base_vertex GL_EXT_float_blend GL_EXT_frag_depth GL_EXT_instanced_arrays GL_EXT_map_buffer_range GL_EXT_multisampled_render_to_texture GL_EXT_occlusion_query_boolean GL_EXT_read_format_bgra GL_EXT_robustness GL_EXT_sRGB GL_EXT_shader_texture_lod GL_EXT_texture_compression_bptc GL_EXT_texture_compression_dxt1 GL_EXT_texture_compression_rgtc GL_EXT_texture_compression_s3tc_srgb GL_EXT_texture_filter_anisotropic GL_EXT_texture_format_BGRA8888 GL_EXT_texture_norm16 GL_EXT_texture_rg GL_EXT_texture_storage GL_EXT_unpack_subimage GL_KHR_debug GL_KHR_no_error GL_KHR_parallel_shader_compile GL_KHR_robust_buffer_access_behavior GL_NV_EGL_stream_consumer_external GL_NV_fence GL_NV_pack_subimage GL_NV_pixel_buffer_object GL_OES_EGL_image GL_OES_EGL_image_external GL_OES_EGL_image_external_essl3 GL_OES_compressed_EAC_R11_signed_texture GL_OES_compressed_EAC_R11_unsigned_texture GL_OES_compressed_EAC_RG11_signed_texture GL_OES_compressed_EAC_RG11_unsigned_texture GL_OES_compressed_ETC2_RGB8_texture GL_OES_compressed_ETC2_RGBA8_texture GL_OES_compressed_ETC2_punchthroughA_RGBA8_texture GL_OES_compressed_ETC2_punchthroughA_sRGB8_alpha_texture GL_OES_compressed_ETC2_sRGB8_alpha8_texture GL_OES_compressed_ETC2_sRGB8_texture GL_OES_depth24 GL_OES_depth32 GL_OES_draw_buffers_indexed GL_OES_draw_elements_base_vertex GL_OES_element_index_uint GL_OES_fbo_render_mipmap GL_OES_get_program_binary GL_OES_mapbuffer GL_OES_packed_depth_stencil GL_OES_rgb8_rgba8 GL_OES_standard_derivatives GL_OES_surfaceless_context GL_OES_texture_border_clamp GL_OES_texture_float GL_OES_texture_float_linear GL_OES_texture_half_float GL_OES_texture_half_float_linear GL_OES_texture_npot GL_OES_texture_stencil8 GL_OES_vertex_array_object GL_OVR_multiview GL_OVR_multiview2 GL_WEBGL_video_texture WebGL 2 Extensions: EXT_color_buffer_float EXT_float_blend EXT_texture_compression_bptc EXT_texture_compression_rgtc EXT_texture_filter_anisotropic MOZ_debug OES_texture_float_linear OVR_multiview2 WEBGL_compressed_texture_s3tc WEBGL_compressed_texture_s3tc_srgb WEBGL_debug_renderer_info WEBGL_debug_shaders WEBGL_lose_context Direct2D: true Target Frame Rate: 60 DirectWrite: true (10.0.19041.1165)
GPU #1 Active: Yes Description: Intel(R) UHD Graphics 620 Vendor ID: 0x8086 Device ID: 0x5917 Driver Version: 27.20.100.9664 Driver Date: 6-1-2021 Drivers: igdumdim64 igd10iumd64 igd10iumd64 igd12umd64 igdumdim32 igd10iumd32 igd10iumd32 igd12umd32 Subsys ID: 08111028 RAM: 0
GPU #2 Active: No Description: Radeon (TM) 530 Vendor ID: 0x1002 Device ID: 0x6900 Driver Version: 26.20.15026.1 Driver Date: 2-26-2020 Drivers: aticfx64 aticfx64 aticfx64 amdxc64 aticfx32 aticfx32 aticfx32 amdxc32 atiumd64 atidxx64 atidxx64 atiumdag atidxx32 atidxx32 atiumdva atiumd6a Subsys ID: 08111028 RAM: 4096
Diagnostics AzureCanvasBackend: direct2d 1.1 AzureCanvasBackend (UI Process): skia AzureContentBackend: skia AzureContentBackend (UI Process): skia AzureFallbackCanvasBackend (UI Process): skia CMSOutputProfile: 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Display0: 1920x1080@60Hz : Intel(R) UHD Graphics 620 DisplayCount: 1 HardwareStretching: both=1 window-only=0 full-screen-only=0 none=0 error=0 ScaledResolution0: source 1920x1080, target 1600x900 ScaledResolutionCount: 1 GPUProcessPid: 14504 ClearType Parameters: Gamma: 1.8 Pixel Structure: RGB ClearType Level: 100 Enhanced Contrast: 50
Decision Log HW_COMPOSITING: available by default D3D11_COMPOSITING: available by default DIRECT2D: available by default D3D11_HW_ANGLE: available by default GPU_PROCESS: available by default WEBRENDER: available by default WEBRENDER_QUALIFIED: available by default WEBRENDER_COMPOSITOR: available by default WEBRENDER_PARTIAL: available by default WEBRENDER_SHADER_CACHE: available by default WEBRENDER_OPTIMIZED_SHADERS: available by default WEBRENDER_ANGLE: available by default WEBRENDER_DCOMP_PRESENT: available by default WEBRENDER_SOFTWARE: available by default OMTP: disabled by default: Disabled by default WEBGPU: disabled by default: Disabled by defaultblocked by runtime: WebGPU can only be enabled in nightly
Crash Guard Disabled Features
Workarounds
Failure Log
Media
Audio Backend: wasapi Max Channels: 2 Preferred Sample Rate: 48000 Roundtrip latency (standard deviation): ...
Output Devices
Name Group Vendor State Preferred Format Channels Rate Latency
37 TFT-TV (Intel(R) Display Audio) HDAUDIO\FUNC_01&VEN_8086&DEV_280B&SUBSYS_80860101&REV_1000\4&169d2dfb&0&0201 Disabled None default: F32LE, support: S16LE F32LE 2 default: 48000, support: 48000 - 48000 0 - 0
Speakers / Headphones (Realtek Audio) HDAUDIO\FUNC_01&VEN_10EC&DEV_0256&SUBSYS_10280811&REV_1000\4&169d2dfb&0&0001 Enabled All default: F32LE, support: S16LE F32LE 2 default: 48000, support: 48000 - 48000 144 - 480
Speakers (JieLi BR21) USB\VID_E5B7&PID_0811&MI_01\6&1f6f58c5&0&0001 Disabled None default: F32LE, support: S16LE F32LE 2 default: 48000, support: 48000 - 48000 0 - 0
Input Devices
Name Group Vendor State Preferred Format Channels Rate Latency
Microphone (2- HTD USB2.0 Camera (Audio) ) USB\VID_0AC8&PID_3420&MI_02\7&13cd15a6&0&0002 Enabled All default: F32LE, support: S16LE F32LE 1 default: 48000, support: 48000 - 48000 144 - 480
Microphone (2- USB PnP Audio Device) USB\VID_0C76&PID_161E&MI_00\6&ff2228b&0&0000 Disabled None default: F32LE, support: S16LE F32LE 1 default: 48000, support: 48000 - 48000 0 - 0
Stereo Mix (Realtek Audio) HDAUDIO\FUNC_01&VEN_10EC&DEV_0256&SUBSYS_10280811&REV_1000\4&169d2dfb&0&0001 Disabled None default: F32LE, support: S16LE F32LE 2 default: 48000, support: 48000 - 48000 0 - 0
Microphone (Realtek Audio) HDAUDIO\FUNC_01&VEN_10EC&DEV_0256&SUBSYS_10280811&REV_1000\4&169d2dfb&0&0001 Enabled None default: F32LE, support: S16LE F32LE 2 default: 48000, support: 48000 - 48000 144 - 480
Fifine USB black microphone (3- USB PnP Audio Device) USB\VID_0C76&PID_161E&MI_00\6&22abd330&0&0000 Disabled None default: F32LE, support: S16LE F32LE 1 default: 48000, support: 48000 - 48000 0 - 0
Microphone (USB PnP Audio Device) USB\VID_0C76&PID_161E&MI_00\7&3244decc&0&0000 Disabled None default: F32LE, support: S16LE F32LE 1 default: 48000, support: 48000 - 48000 0 - 0
Microphone (HTD USB2.0 Camera (Audio) ) USB\VID_0AC8&PID_3420&MI_02\6&35abac1a&0&0002 Disabled None default: F32LE, support: S16LE F32LE 1 default: 48000, support: 48000 - 48000 0 - 0
Microphone (JieLi BR21) USB\VID_E5B7&PID_0811&MI_01\6&1f6f58c5&0&0001 Disabled None default: F32LE, support: S16LE F32LE 2 default: 48000, support: 48000 - 48000 0 - 0
Media Capabilities
Enumerate database
Environment Variables
MOZ_APP_RESTART: 1 MOZ_CRASHREPORTER_DATA_DIRECTORY: C:\Users\Roger (standard)\AppData\Roaming\Thunderbird\Crash Reports MOZ_CRASHREPORTER_EVENTS_DIRECTORY: C:\Users\Roger (standard)\AppData\Roaming\Thunderbird\Profiles\8741uyka.default\crashes\events MOZ_CRASHREPORTER_PING_DIRECTORY: C:\Users\Roger (standard)\AppData\Roaming\Thunderbird\Pending Pings MOZ_CRASHREPORTER_RESTART_ARG_0: C:\Program Files (x86)\Mozilla Thunderbird\thunderbird.exe MOZ_CRASHREPORTER_STRINGS_OVERRIDE: C:\Program Files (x86)\Mozilla Thunderbird\crashreporter-override.ini MOZ_LAUNCHER_PROCESS: 1
Important Modified Preferences
accessibility.typeaheadfind.flashBar: 0 browser.cache.disk.amount_written: 304267 browser.cache.disk.capacity: 1048576 browser.cache.disk.filesystem_reported: 1 browser.cache.disk.hashstats_reported: 1 browser.search.region: GB extensions.lastAppVersion: 91.2.1 font.internaluseonly.changed: true font.name.monospace.el: Consolas font.name.monospace.x-cyrillic: Consolas font.name.monospace.x-unicode: Consolas font.name.monospace.x-western: Consolas font.name.sans-serif.el: Calibri font.name.sans-serif.x-cyrillic: Calibri font.name.sans-serif.x-unicode: Calibri font.name.serif.el: Cambria font.name.serif.x-cyrillic: Cambria font.name.serif.x-unicode: Cambria font.name.serif.x-western: Cambria font.size.fixed.el: 14 font.size.fixed.x-cyrillic: 14 font.size.fixed.x-unicode: 14 font.size.fixed.x-western: 14 font.size.monospace.x-western: 14 font.size.variable.el: 17 font.size.variable.x-cyrillic: 17 font.size.variable.x-unicode: 17 font.size.variable.x-western: 18 gfx.crash-guard.d3d11layers.appVersion: 78.14.0 gfx.crash-guard.d3d11layers.deviceID: 0x5917 gfx.crash-guard.d3d11layers.driverVersion: 27.20.100.9664 gfx.crash-guard.d3d11layers.feature-d2d: true gfx.crash-guard.d3d11layers.feature-d3d11: true gfx.crash-guard.status.d3d11layers: 2 gfx.crash-guard.status.wmfvpxvideo: 2 gfx.crash-guard.wmfvpxvideo.appVersion: 91.2.1 gfx.crash-guard.wmfvpxvideo.deviceID: 0x5917 gfx.crash-guard.wmfvpxvideo.driverVersion: 27.20.100.9664 idle.lastDailyNotification: 1635333161 layers.mlgpu.sanity-test-failed: false media.gmp.storage.version.observed: 1 media.hardware-video-decoding.failed: false network.cookie.prefsMigrated: true network.predictor.cleaned-up: true network.trr.blocklist_cleanup_done: true places.database.lastMaintenance: 1634891110 places.history.expiration.transient_current_max_pages: 55266 privacy.purge_trackers.date_in_cookie_database: 0 security.remote_settings.crlite_filters.checked: 1635240289 security.remote_settings.intermediates.checked: 1635240289 security.sandbox.content.tempDirSuffix: {2eea5193-f0dd-4691-89d7-cb1a43ea797f} security.sandbox.plugin.tempDirSuffix: {5307c419-3879-45f9-82f6-7d20b261d953} signon.importedFromSqlite: true storage.vacuum.last.index: 1 storage.vacuum.last.places.sqlite: 1635159674 ui.osk.debug.keyboardDisplayReason: IKPOS: Touch screen not found.
Important Locked Preferences
fission.autostart.session: false
Places Database
Accessibility
Activated: false Prevent Accessibility: 0 Accessible Handler Used: true Accessibility Instantiator:
Library Versions
Expected minimum version Version in use
NSPR 4.32 4.32
NSS 3.68 3.68
NSSSMIME 3.68 3.68
NSSSSL 3.68 3.68
NSSUTIL 3.68 3.68
Sandbox
Content Process Sandbox Level: 0 Effective Content Process Sandbox Level: 1 Win32k Lockdown State for Content Process: Win32k Lockdown disabled -- Preference not set
Startup Cache
Disk Cache Path: C:\Users\Roger (standard)\AppData\Local\Thunderbird\Profiles\8741uyka.default\startupCache\startupCache.4.little Ignore Disk Cache: false Found Disk Cache on Init: false Wrote to Disk Cache: true
Internationalization & Localization
Application Settings Requested Locales: ["en-US"] Available Locales: ["en-US"] App Locales: ["en-US"] Regional Preferences: ["en-GB"] Default Locale: "en-US"
Operating System System Locales: ["en-GB"] Regional Preferences: ["en-GB"]
Remote Debugging (Chromium Protocol)
Accepting Connections: false URL:
Printing
Modified print settings
print_printer: Brother MFC-7420 print.printer_Brother_MFC-7420.print_bgcolor: false print.printer_Brother_MFC-7420.print_bgimages: false print.printer_Brother_MFC-7420.print_duplex: -437918235 print.printer_Brother_MFC-7420.print_edge_bottom: 0 print.printer_Brother_MFC-7420.print_edge_left: 0 print.printer_Brother_MFC-7420.print_edge_right: 0 print.printer_Brother_MFC-7420.print_edge_top: 0 print.printer_Brother_MFC-7420.print_evenpages: true print.printer_Brother_MFC-7420.print_footercenter: print.printer_Brother_MFC-7420.print_footerleft: &PT print.printer_Brother_MFC-7420.print_footerright: &D print.printer_Brother_MFC-7420.print_headercenter: print.printer_Brother_MFC-7420.print_headerleft: &T print.printer_Brother_MFC-7420.print_headerright: &U print.printer_Brother_MFC-7420.print_in_color: true print.printer_Brother_MFC-7420.print_margin_bottom: 0.5 print.printer_Brother_MFC-7420.print_margin_left: 0.5 print.printer_Brother_MFC-7420.print_margin_right: 0.5 print.printer_Brother_MFC-7420.print_margin_top: 0.5 print.printer_Brother_MFC-7420.print_oddpages: true print.printer_Brother_MFC-7420.print_orientation: 0 print.printer_Brother_MFC-7420.print_page_delay: 50 print.printer_Brother_MFC-7420.print_paper_data: 9 print.printer_Brother_MFC-7420.print_paper_height: 297.00 print.printer_Brother_MFC-7420.print_paper_name: print.printer_Brother_MFC-7420.print_paper_size_unit: 1 print.printer_Brother_MFC-7420.print_paper_width: 210.00 print.printer_Brother_MFC-7420.print_resolution: 600 print.printer_Brother_MFC-7420.print_reversed: false print.printer_Brother_MFC-7420.print_scaling: 1.00 print.printer_Brother_MFC-7420.print_shrink_to_fit: true print.printer_Brother_MFC-7420.print_to_file: false print.printer_Brother_MFC-7420.print_unwriteable_margin_bottom: 0 print.printer_Brother_MFC-7420.print_unwriteable_margin_left: 0 print.printer_Brother_MFC-7420.print_unwriteable_margin_right: 0 print.printer_Brother_MFC-7420.print_unwriteable_margin_top:0
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Chosen solution
search preferences for hardware and turn off hardware acceleration.
Read this answer in context 👍 0All Replies (2)
Chosen Solution
search preferences for hardware and turn off hardware acceleration.
Many thanks Matt - that's sorted it.