I had to move my SSD (with working suse leap 15.2) from AMD platform to INTEL platform. Boots up fine till GUI. Command “startx” gives me smth like there is no $DISPLAY.
Is there any easy way to fix this?
Fresh install works fine, so hardware aint the problem.
The AMD and Intel Architectures are different enough to demand different packages to be installed to support the different microcode running on the different hardware – especially the graphics hardware but also, especially, the CPUs themselves …
As you have a working iso image, the minimal thinking answer is to use it to run an “upgrade” of your existing installation from Leap-15.2 to Leap-15.2. This will hopefully run the hardware detection phase and install the required hardware dependent packages.
Packages are compiled to match AMD64 standard for x86_64. SSE2, and no more.
To OP: IMHO problem is with graphics - reinstall drivers with subsequent creating new boot image.
You may load OS with text mode (kernel parameter “3”).