This will take some time to scan all system files and will automatically repair corrupted operating system files, if any. Step 2: In the Prompt, type sfc /scannow and then press Enter key to run System File Checker. To do so, type CMD in Start screen or Start menu, and then simultaneously press Ctrl + Shift + Enter keys to run Command Prompt as administrator. Step 3: Next, click on the Action menu and then click Scan for hardware changes option to restore the missing battery icon. Click the OK button when you see the warning message to continue uninstalling the driver. Right-click on Microsoft AC Adapter entry and click Uninstall button. Step 2: In the Device Manager, expand Batteries.

If you are on Windows 10/8/7, open Run command by simultaneously pressing Windows and R keys, type Devmgmt.msc and then press Enter key to open Device Manager. To do so, you can right-click on the Start button (Windows 8.1 only), and then click Device Manager. If yes, select Show icon and notifications from the drop-down menu to and then click OK button to restore the icon. Step 2: Here, check if the behavior of the Power icon has been set to Hide icon and notifications. Step 1: Perform a click on the small arrow visible on the taskbar and then click the Customize option available in the resulting box to open Notification Area Icons window. NOTE: If the power icon setting is greyed out, refer to our battery icon settings greyed out in Windows 10 article. Step 4: Turn the switch next to the Power icon to the On position. Step 3: Click Select Which icons appear on the taskbar link. This will open the taskbar settings page. Step 2: Navigate to Personalization > Taskbar. Step 1: Open the Settings app either by clicking its icon in the Start menu or using Windows logo + I hotkey. Instructions for Windows 10 (scroll down for Windows 8/7 instructions) Check if the battery icon behavior has been changed

Windows 7 clock disappeared