1 Click on the speaker icon in the system tray of your windows 7 screen, located in the task tray by the system clock. This will cause a volume adjustment screen to pop up. Drag the volume slider to adjust the volume higher or lower.
Right-click on the speaker icon and select "Open Volume Mixer" to manually adjust the volume of each device separately, using the same method as in step 1.
Right-click the speaker icon and select "Sounds" to change which sounds play for specific events, such as Windows Startup, Windows Logon and System Notification. This should bring you directly to the "Sounds" tab of the sound menu, where you can click the program event from the list and change the sound using the drop-down menu at the bottom. You can choose "(None)" to disable the sound.
Get online and got to www.google.com In the google search box type: "Dell Support" (without the quotes and put your manufacturer name before Support). Look for downloads and drivers. Enter your model number and operating system when requested. Look for Manuals on the site and search them on hibernation.
Below is what your manual says to get out of hibernation you have to press the Power Button (very last paragraph at bottom). Hibernate Mode Hibernate mode conserves power by copying system data to a reserved area on the hard drive and then completely turning off the computer. When the computer exits hibernate mode, it returns to the same operating state it was in before entering hibernate mode. NOTICE: You cannot remove devices or undock your computer while your computer is in hibernate mode. Your computer enters hibernate mode if the battery charge level becomes critically low. To manually enter hibernate mode:
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