for some time, my pc startup is taking too much time (well over 5 minutes), despite the installation of an antivirus program and scanning , there was no improvement.but the main problem is with my device manager. When I go to control panel/system then hardware tab, and click on Device Manager.
A window opens and nothing appears. i mean my windows device manager is empty , please tell me how to solve these problem , Thank you for your help.
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