HP Probook 430 G1 - Intel HD Graphics 4400 - Code 43

[DJKR]

Hi,

I have just upgraded my laptop from Windows 8.0 to Microsoft Windows 8.1 Professional Edition (build 9600), 64-bit. However when I look in the device manager it says the following error next to the graphics device, "Windows has stopped this device because it has reported problems. (Code 43)". I can still continue to use my laptop, however cannot use the monitor and HDMI ports. I have tried the latest and beta drivers from the Intel site and I have also used the driver given on the HP support site for this laptop, but still no joy.

The current graphics driver version I have installed is 10.18.14.4332.

If I use the basic Microsoft driver the device just reboots after a random amount of 2-3 minutes.

Any suggestions? Could it be a driver conflict or hardware incompatibility?

Are there any logs I can provide or run any diagnostic utilities?

Thanks in advance.

Also I can see the dump files are gnerating the following

[FONT=Segoe UI, Arial]On Mon 11/04/2016 21:02:25 GMT your computer crashed
crash dump file: C:\WINDOWS\Minidump\041116-6703-01.dmp
This was probably caused by the following module: [FONT=Segoe UI, Arial]igdkmd64.sys[/FONT] (igdkmd64+0x1B93DE)
Bugcheck code: 0x1000007E (0xFFFFFFFFC0000005, 0xFFFFF8017AFBA3DE, 0xFFFFD00027FC8DF8, 0xFFFFD00027FC8600)
Error: [FONT=Segoe UI, Arial]SYSTEM_THREAD_EXCEPTION_NOT_HANDLED_M[/FONT]
file path: C:\WINDOWS\system32\drivers\igdkmd64.sys
product: [FONT=Segoe UI, Arial]Intel HD Graphics Drivers for Windows 8(R)[/FONT]
company: [FONT=Segoe UI, Arial]Intel Corporation[/FONT]
description: Intel Graphics Kernel Mode Driver
Bug check description: This indicates that a system thread generated an exception which the error handler did not catch.
This appears to be a typical software driver bug and is not likely to be caused by a hardware problem.
A third party driver was identified as the probable root cause of this system error. It is suggested you look for an update for the following driver: igdkmd64.sys (Intel Graphics Kernel Mode Driver, Intel Corporation).
Google query: [FONT=Segoe UI, Arial]Intel Corporation SYSTEM_THREAD_EXCEPTION_NOT_HANDLED_M

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[DJKR]

I have managed to find a fix for this issue. I upgraded to Windows 10 (I am not sure I had to do this) but I tried this to see if this would fix the driver issue. However this still did not work. I then got a USB2UGA adaptor and downloaded and installed the drivers. I restarted the Laptop and both my HDMI and VGA ports started working. I also removed the USB2VGA adaptor and both ports are working. Hope this helps others. Would be good to know if someone can try this on Windows 8.1.