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1. Close all browser instances
2. Right-click on your Windows Desktop, and select Personalize
3. Click on Window Color at the bottom of the Personalization window
4. Click on Advanced appearance settings
5. In the Window Color and Appearance window, select Scrollbar from the Item drop-down
6. Reduce the size to 17 (the default) and click OK then Apply
   NOTE: If the size is less than or equal to 17, reduce it further
7. Open a new browser window and access the Grade Center
   NOTE: If the horizontal scrollbar does not appear, repeat and reduce further

Mac OS X

1. Go to System Preferences
2. Click on General
3. Under Show Scroll Bars, choose Always

Sources and Relevant Links

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