The speakers won't open. What should I do

Step 1: click start, find run, and open runStep 2: enter regedit and click okStep 3: follow these steps in the registryHKEY_LOCAL_MACHINE \ SOFTWARE \ Microsoft \ Windows \ CurrentVersion \ RunFinally locate the folder named Run, click on the Run folder, create a new string on the right, and type Systray into the string nameStep 4: modify Systray newly created, right-click and click modifyStep 5: in the new dialog box, enter C:\Windows\System32\Systray. Exe and click okStep 6: restart the computer