Colour setting keeps reverting from 32 bits to 8 bits

The Safe Mode is used to detect the technical and software problems in windows Vista. This is an effecting way to diagnosing the problem, that's why most of the technicians prefer this way to resolve the problem. But Safe Mode disables the most of the advance functionality of your computer. So use the Safe Mode only for diagnosing the problem and as you diagnose and repair the problem get back your windows to normal mode. <br /><br />For reverting back to normal mode at windows Vista, an option occurred which has to be select within limited time and if you select the Normal Mode option within this limited time, your windows will revert back successfully but if you waste the time, you have to restart your computer again for getting this option. You can select the Normal Mode option through arrow keys or by pressing the number at which the Normal Mode will appear.<br /><br />Sometime your computer does not display the Mode Selection Menu. This is not a problem you can get this menu and revert back your windows Vista into Normal Mode through the following instructions.<br /><br />Instructions<br />If you want to revert your Windows Vista into Normal Mode from the Safe mode but your system is not giving you option to select the mode, follow the given instructions: <br /><br />Restart Your Computer: To restart the computer you need to take the following step:<br />- Click on "Start" button at the left side of Task Bar. In Safe Mode of windows Vista the Start button appears at the same place where it appears in the Normal mode. Select "Turn Off Computer" from the Start Menu. Then, Select 'Restart" from the pop-up menu.<br />When your computer has been shut down place your finger at F8 key. As your computer starts to boot computer devices for restarting your computer, press F8 key again and again unless a menu appears on the screen. This menu is Mode Selection Menu.<br /><br />Note: If your computer won't give you Mode Selection Menu at the screen that's means you have lost the time of getting option. In this condition restart your computer again and again, and then press F8. <br /><br />When you get Mode Selection Menu on your computer screen, stop pressing F8 key. Now choose the Normal Mode from the list by the following method:<br />- You can select the Normal Mode by pressing the number on which Normal Mode appears in the list.<br />- You can select the Normal Mode manually through the Arrow Keys. Press the down key to reach at the Normal Mode option in the list and press Enter. <br /><br />Then wait for a while to reboot your Windows Vista in Normal Mode. <br />This is the method of changing Mode in windows Vista. You can follow these instructions at any time to revert your windows Mode.