Hi Judy1949,
To narrow down on the issue try the below method:
Disable startup item from system configuration
a. Click on start, in the search box type in msconfig.exe
b. System configuration window open
c. Click on startup tab
d. Click on disable all
e. Restart the computer and check if the issue still occurs
Link you may refer to: Run Selective Startup using System Configuration:http://windows.microsoft.com/en-US/windows7/Run-Selective-Startup-using-System-Configuration
Regards:
Samhrutha G S - Microsoft Support.
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