Hi Em. I'm Greg, an installation specialist, 10 years awarded Windows MVP, and Volunteer Moderator, here to help you.
Did you wipe the drive using Diskpart Clean Command or at least deleting all partitions before installing Windows 10?
https://www.tenforums.com/tutorials/85819-erase...
http://answers.microsoft.com/en-us/windows/wiki...
Have you installed the latest drivers from the PC maker's Support Downloads webpage for your exact model? While there check for the latest Chipset, BIOS, Sound, Network, USB3, Bluetooth and all other drivers to compare with the version/date installled for that device in Device Manager reached by right clicking the Start Menu.
What is the status of the ACPI drivers in Device Manager, after choosing Show Hidden Devices in View tab. These are often under System devices. Update the chipset from the manufacturer's website.
For Intel run the updater here: http://www.intel.com/content/www/us/en/support/...
For Nvidia run this updater: http://www.nvidia.com/Download/Scan.aspx?lang=e...
For AMD run this one: http://support.amd.com/us/gpudownload/windows/P...
If drivers remain in error with a ! mark in Dev Mgr, report back their Hardware ID found on Details tab, then drop down the menu to Hardware ID, right click the short string ID to copy and paste here and in Google to find driver.
More here:
http://answers.microsoft.com/en-us/windows/wiki...
I hope this helps. Feel free to ask back any questions and keep me posted. If you'll wait to rate whether my post resolved your problem, I will keep working with you until it's resolved.
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