If you’re looking for the steps to increase or decrease the Hardware Graphics Acceleration in the Windows Vista Operating System and you don’t know the steps, don’t worry. Just go through the instructions given below to perform the steps.
•    For this first you have to go to the Control Panel.
•    Click on the Start Button and select the Control Panel.
•    Now, from the Control Panel windows, you’ve to pick a category.
•    Double click on the Appearance and Themes icon.

•    Then, from the Appearance and Themes icon, under Pick a task, you have to click Change the screen resolution.
•    After that, in the Display Properties window, you have to click on the Advanced button.
•    Now, in the Default Monitor Window, you need to click on the Troubleshooting tab.
•    After that, click and drag the Hardware acceleration slider to the right to increase or left to decrease.
•    Now, click on the OK button.
•    That’s it. Now, you’ve successfully learnt to increase or decrease the Hardware Acceleration in the Windows Vista Operating System.

By