Welcome to the forums
Linux.org is an un-associated, Independent advice and help site both for those in need of help with installation problems and Tech's needing more advanced advice, We are a voluntary organisation our members are scattered across the four corners of the world, so please accept that you may not get a quick answer.
Just a few things to remember
We are an international board so we ask that all post be in English [if your English is patchy , fine give it a try or use one of the translator programs [ DeepL Translate: The world's most accurate translator is recommended]
Please state the make and model number of your machine or its specification [some problems may be equipment specific]
Please tell us which distribution and build number you are having problems with [example Ubuntu 18.1]
Explain what your problem is and what [if anything] you have tried to remedy it yourself