I am experiencing the same issue as reported by "Rach" and "sillyfrog",
trying to run LDD 4.2.5. After clicking the LDD icon on the desktop,
nothing happens. The Windows Task Manager shows a LDD.exe process
is running but consuming no CPU. Waiting for an extended period of
time does not make any difference.
I am including as much information as possible here, hoping that something
might ring a bell with someone. Please feel free to ask for more information.
I really like this program and would love to get it to work on this computer.
The computer is a Lenovo T520 (model 4239CTO) runing Windows 7 (x64).
It has two graphics processors:
- Intel HD Graphics 3000 in chipset, Driver version 8.15.10.2538
- NVIDIA NVS 4200M, driver version 285.62
The OS can switch between the two graphics processors (NVIDIA optimus
technology) and a specific processor can be attached to an application.
Things I have tried (all with the same outcome as described above):
- Start LDD with NVIDIA graphics processor
- Start LDD with Intel graphics
- Start LDD in safe mode with NVIDIA graphics processor
- Start LDD in safe mode with Intel graphics
- Disable NVIDIA graphics processor in BIOS (completely disables it
and makes it invisible to the OS, only Intel graphics are active)
and start LDD in safe mode
- Disable Intel graphics processor in BIOS (only NVIDIA graphics are
visible to OS) and start LDD in safe mode
- Followed the instructions about startup problems in this forum
- Followed the suggestions given to "Rach"
- Tried LDD versions 4.1.8 and 3.1.3 (can't find 2.x to download anwhere)
Other observations/notes:
- LDD 4.2.5 was the first LDD version I tried to install on this computer.
- other OpenGL programs work fine
- My preferences.ini file is the same as the one reported by Rach
(contains only "language" and "ApplicationID" settings)
- Copying the LDDQA.exe program that I found a few weeks before on
this forum (but I can't find it anymore) into the LDD program folder
and starting it produces the attached DCLTrace.txt. I included
DCLTrace.txt files with the "Shaders" settings enabled and disabled.
- When running the installer, one of the screens is the "System
requirements check". After clicking "Next" on that screen it
takes about half a second to get to the next screen. That seems
short, given that the description says "This may take some time".
Also, the Readme file says "If the Requirements Checker pops up when
you launch installation, it indicates that your computer does not
fulfill the requirements for running LEGO Digital Designer".
So does the fact that this screen comes up at all already mean that
the installer has detected a problem with the computer's hardware?
- If I leave the "Run Lego Digital Designer" box at the end of the
installer checked and then also start LDD via the Desktop shortcut,
I get an error message saying "Cannot load assets". The Task Manager
shows two LDD.exe processes.
After killing both processes, I get the same behavior as before.
