Error: Battery is not for this model, not detected, not compatible, or not connected.

A variation of the error message is The installed battery may not be properly connected or compatible.

IMPORTANT: Before beginning this procedure, use the Battery Care Function utility to check the condition of the battery . If the condition of the battery is listed as anything less than Good, the battery may need to be replaced.  Go to Parts and Accessories. 

1. Turn off the computer and remove the battery.
2. Make sure only the AC adapter is connected and turn on the computer.
3. Click the Start button, click All Programs, click Accessories, and then click Run.
4. In the Run window, type MSCONFIG and then press the Enter key.

   NOTE: If prompted for an administrator password or a User Account Control prompt is displayed, type the appropriate password, click Continue or click Yes.

5. In the System Configuration window, click the Startup tab.
6. On the Startup tab, click to uncheck the box in front of ISB Utility.
7. Click the OK button.
8. In the System Configuration window, click the Restart button.
9. Turn off the computer, reconnect the battery and turn the computer back on.

If the issue is still not resolved, try the steps below:

1. Click Start.
2. Click Computer.
3. Click on C: drive.
4. Locate the Program Files(x86) folder.
5. In the Program Files(x86) folder, click on the Sony® folder.
6. Click the ISB Utility folder.
7. Right click on this file and chose rename.
8. Rename the file from ISBMgr.exe to ISBMgr.old then press Enter.
9. Restart the computer.