If you want to get rid of your Dell printer offline problem quickly, you can follow the simple troubleshooting process. Follow these steps.

· In your computer's Control Panel, search for "Device Manager".

· Navigate to the USB controller area and press the plus icon.

· On each "USB Root Hub", right-click and select "Properties".

· Select the 'Power Management' tab.

· You need to uncheck the option "Allow the computer to turn off this device to save battery".

· Restart your device.

· Go to "Network Adapter".

· Right click on "Wireless Adapter", followed by "Properties", then click "Power Management".

· uncheck "Allow the computer to turn off this device to save power".