Mike-3

Hey everyone, first my status: Notebook: Dell Latitude E5520 iGPU: Intel HD Graphics Family eGPU: Radeon R9 270x Gaming Adapter: PE4L V2.1 Power adapter: ba quiet Pure Power L8 TOLUD: CFA ( i did an DSDT-override to correct this) 5 days ago all was working, for the first time. Then I build my case and tried again, but nothing worked. Since my case was ready, everytime I tried to start the eGPU the fan works with maximum speed and the notebook didn't find it or the fan works normal, the notebook find the eGPU, but after a few minutes the Notebook becomes black and didn't react. After I uninstalled the driver and unboxed the eGPU I tried it again for several times and then it works once again so I installed it again, but after a standby by my Notebook it didn't react again. Have everyone an idea what happend, or what can I do? Sorry, for my english I am not really good in translation....