Hi,
My HDMI Output has stopped working on my HP Pavilion Desktop PC 570-p0XX, following I think a Win10 update?, My HDMI output is connected to a Samsung 27" Monitor and all was working fine on a res of 1920x1080 60Hz - The Samsung Monitor Model T27D590CX now says "resolution not supported, change the resolution of the external device" when connected PC HDMi to HDMi (HDMi 1/DVI PC/Samsung) - I have tested the Samsung monitor's HDMi input with another PC and all works fine at this resolution - I have changed the HDMi Cable and this doesnt solve the issue - I have updated all the latest display drivers recommended by the HP Support assistant - I have rolled back the AMD Driver to a previous version to see if this solves the issue (assume this controls the HP HDMi Output?) - I have set differant resolution outputs via the Intel HD Graphics Panel - all with no joy, It all points to the HDMi Output of the HP Pavilion which seems to be now outputting a wrong resolution the display can not identify or work with? The VGA Out is ok and works fine however if I connect the VGA and HDMI to my Monitor and set this to 1024x764 the HDMI Out works? if I then unplugg the VGA cable and leave the HDMI Connected the Samsung Monitor goes back to "Resolution not supported, change the resolution of the external Device". Can anyone help resolve?
Desktop Info
OS Name Microsoft Windows 10 Home 64bit
Version 10.0.16299 Build 16299
Other OS Description Not Available
OS Manufacturer Microsoft Corporation
System Manufacturer HP
System Model HP Pavilion Desktop PC 570-p0XX
System Type x64-based PC
Processor Intel(R) Core(TM) i5-7400 CPU @ 3.00GHz, 3001 Mhz, 4 Core(s), 4 Logical Processor(s)
BIOS Version/Date AMI F.14, 22/05/2017
SMBIOS Version 3.0
Embedded Controller Version 255.255
BIOS Mode UEFI
BaseBoard Manufacturer HP
AMD Info below.
Name AMD Radeon R5 M435
PNP Device ID PCI\VEN_1002&DEV_6665&SUBSYS_34001462&REV_C3\4&1BA36079&0&0008
Adapter Type AMD Radeon Graphics Processor (0x6665), Advanced Micro Devices, Inc. compatible
Adapter Description AMD Radeon R5 M435
Adapter RAM (2,147,483,648) bytes
Installed Drivers C:\WINDOWS\System32\DriverStore\FileRepository\c0321058.inf_amd64_c0aa1a2b512afe19\aticfx64.dll,C:\WINDOWS\System32\DriverStore\FileRepository\c0321058.inf_amd64_c0aa1a2b512afe19\aticfx64.dll,C:\WINDOWS\System32\DriverStore\FileRepository\c0321058.inf_amd64_c0aa1a2b512afe19\aticfx64.dll,C:\WINDOWS\System32\DriverStore\FileRepository\c0321058.inf_amd64_c0aa1a2b512afe19\amdxc64.dll
Driver Version 23.20.15002.11
INF File oem4.inf (ati2mtag_R503DS section)
Colour Planes Not Available
Colour Table Entries 4294967296
Resolution 1920 x 1080 x 59 hertz
Bits/Pixel 32
Memory Address 0xC0000000-0xCFFFFFFF
Memory Address 0xDF000000-0xDF9FFFFF
I/O Port 0x0000EF00-0x0000EFFF
IRQ Channel IRQ 4294967285
Driver c:\windows\system32\driverstore\filerepository\c0321058.inf_amd64_c0aa1a2b512afe19\atikmpag.sys (23.20.15002.11, 532.87 KB (545,656 bytes), 10/12/2017 21:07)
