Hi, I'm Sandy and I look forward to help you today.
I'm sorry about the issue.
What operating system is installed on the computer? Windows 7/8/ 10.
May I connect with you remotely(over secure network session) and explain the basic things and help you understand them.
Secure Remote support can save a lot of time. It is 100% safe and secure.
We have fixed millions of computers over remote session and have an A+ rating with the Better Business Bureau websitehttp://www.bbb.org/greater-san-francisco/business-reviews/professional-services-general/justanswer-in-san-francisco-ca-82403
Once you accept the remote support offer, please click the link:
Scroll down on that page and click "I Agree".
Download/allow and run this program to start remote session.
If you need phone support for this issue, please let me know.
Dell does not provide any user manual for dell inspiron 15 3000 series. I have found service manual at their website: Click the link given here: Click Me
If you need Windows 10 user manual, you can find under the link given below:
You can log off in Windows as given here:
Click the Start button , point to the arrow next to the Shut down button , and then click Log off. OR find the details under the link given here: Click Me
If you have any other query regarding this issue, please do not hesitate to let me know.
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