i went to bios settings and choosed refresh the computer option,alot of applications got uninstalled and the language of the computer isn't my language anymore and i can't change it using the method you say it just change the writing language.
Thank you for writing to us!
Is this the system language that you are talking about.
How exactly did you refresh the system from the BIOS.
DELL-Robin DSocial Media Support#IWork4Dell