Sorry for lack of support but I have been busy over the last few days on other tasks.

The most recent crash dump shows that the graphics driver has been updated to nvlddmkm.sys Fri Feb 23 11:54:48...

Don't leave Driver Verifier running for more than 48h as originally instructed in my post #6.

After updating the drivers which were identified make sure Driver Verifier is OFF and run your system...

zbook Laptops usually cope well with memory upgrades. The important thing here is that the two matched memory modules are in the dual channel slots, which they are. If the 2GB module was a recent...

Only one of the mini-dump files was readable.

This showed a problem with a Realtek Audio driver: MBfilt64.sys - dated:Thu Jul 30 20:40:32 2009

See if you can find an updated driver. And then...

Well that would rule out a RAM problem. The next step would be to try and test all your drivers to see if any of them show up as misbehaving. We do this through Driver Verifier. Please carefully...

It looks like you can select a DVD boot device - you could download an ISO file for Memtest86 and then burn it to a CD or DVD.

Hello Ikanopit,

Welcome to TenForums :)

Here are some things I noted from the logfiles:

1. Your mouse is not working properly - there are numerous errors:

2018-02-07T17:54:47.184 An...