How to find the hidden files (Windows PC)

Follow the following steps
1. Goto command prompt
2. Type Drive Letter (eg D, E) to show the hidden files and press enter
3. Type dir /ah to see the files and folders
4. Type attrib /s /d * -r - a -s -h and press enter
Now open your drive, you will find the files and folders hidden in the drive are shown

How to disable and enable access to USB port

Do you want to disable access to your USB ports so that no one can read or write data through your USB ports? Follow these simple steps to disable USB ports:

• Type regedit in run.
• Go to the path HKEY_LOCAL_MACHINE > SYSTEM> CurrentControlSet> Services> USBSTOR
• In right panel, double click on Start.
• Change its value to 4.
• To enable access to USB ports. Follow these simple steps:
• Change its value to 3.
• That's all.