My name is ***** ***** certified professional with over 10 years experience. I will be glad to assist you with this.
I am sorry to hear that you are having this issue.
Follow these steps please.
If the disc does not begin to run, press your computer's Power button and watch for the Dell logo to appear. When the logo appears, press the F12 key to load the Boot menu. If this menu does not appear, try restarting your computer again and pressing F12several times when the Dell logo appears. Once the Boot menu opens, select CD/DVD drive (listed also as CD-Rom or CD/DVD/CD-RW) and press Enter.
Install Dell drivers.
Please let me know if this does not work or if you need any other assistance.
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Thank you very much!
Okay, try this next.
Power off the computer, then power back on. Then press F8 several times to open the Advanced Boot Options menu.
Note: If the Advanced Boot Options menu doesn't open, wait for the Windows login prompt. Then restart the computer and try again.
Note: Use the drop down menu to the right of User name: to select the local user or the Administrator account and enter the password ***** that account. If you have not set up a password ***** the local user account leave the password ***** empty and click OK.
Do you still need help?
My name is ***** ***** of the expert in computer category. I would like to assist you with your issue and would be your next active expert...
It would be helpful if you answer these..
1: What's the system model?
2: Do you have Windows 7 installation disc?
3: Since you says you have all backup in cloud, do you mind reinstalling Windows?