If you want to restore the computer to its original state, these instructions are available from the DELL website:
Use Dell PC Restore by Symantec only as the last method to restore
your operating system. PC Restore restores your hard drive to the
operating state it was in when you purchased the computer. Any programs
or files added since you received your computer—including data
files—are permanently deleted from the hard drive. Data files include
documents, spreadsheets, e-mail messages, digital photos, music files,
and so on. If possible, back up all data before using PC Restore.
To use PC Restore:
- Turn on the computer.
During the boot process, a blue bar with www.dell.com
appears at the top of the screen.
- Immediately upon seeing the blue bar, press <Ctrl><F11>.
If you do not press <Ctrl><F11> in time, let the computer finish starting, and then restart the computer again.
If you do not want to proceed with PC Restore, click Reboot
in the following step.
- On the next screen that appears, click Restore.
- On the next screen, click Confirm.
The restore process takes approximately 6–10 minutes to complete.
- When prompted, click Finish to reboot the computer.
Do not manually shut down the computer. Click Finish
and let the computer completely reboot.
- When prompted, click Yes.
The computer restarts. Because the computer is
restored to its original operating state, the screens that appear, such
as the End User License Agreement, are the same ones that appeared the
first time the computer was turned on.
- Click Next.
The System Restore
screen appears and the computer restarts.
After the computer restarts, click OK