This option usually shows up when there are two operating system installed on the computer. Or, a new operating system was installed without deleting the old one.
If you are comfortable, I would suggest you to back the data and perform a clean installation of the operating system. You may try the steps mentioned in this link http://dell.to/Qe7jyP , please ensure to delete all the partitions.
Alternatively, you may try the following workaround.
"Open System by clicking the Start button -> Control Panel -> System and Maintenance -> System. Click Advanced System Settings. If you are prompted for an administrator password or confirmation, type the password or provide confirmation. Click the Advanced tab, and then, under Startup and Recovery, click Settings.
Change the default operating system according to your preference, select an option from the Default operating system list (this is where descriptive menu choices come in handy). You can also choose how long you want to display the list of operating systems. The default is 30 seconds; You may choose the time according to your preference or may be 0 seconds. Note: If there are files from the old operating system, it will take up space on your computer.
DELL-Appu S
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April 11th, 2013 01:00
Hi Bob M,
This option usually shows up when there are two operating system installed on the computer. Or, a new operating system was installed without deleting the old one.
If you are comfortable, I would suggest you to back the data and perform a clean installation of the operating system. You may try the steps mentioned in this link http://dell.to/Qe7jyP , please ensure to delete all the partitions.
Alternatively, you may try the following workaround.
"Open System by clicking the Start button -> Control Panel -> System and Maintenance -> System.
Click Advanced System Settings. If you are prompted for an administrator password or confirmation, type the password or provide confirmation.
Click the Advanced tab, and then, under Startup and Recovery, click Settings.
Change the default operating system according to your preference, select an option from the Default operating system list (this is where descriptive menu choices come in handy). You can also choose how long you want to display the list of operating systems. The default is 30 seconds; You may choose the time according to your preference or may be 0 seconds.
Note: If there are files from the old operating system, it will take up space on your computer.
Please refer to the link for more information http://bit.ly/10Vjcwc
Hope this helps.