Not possible to check in files in EPDM

Hi,

Last week i reinstall windows without check in all Solidworks files from my labtop to EPDM server

today,when i want to change the file all the time I recieved a note that this file is check out in other computer

I try to move or change the name,unfortunatly  nothing happened .

Can somebody help me how can I check in these files and be able to change it from read only files to file which I can work on

SolidworksSolidworks Pdm enterprise Pdm