Kristy Mayo

You can try turning off your firewall software, since this is a common issue for losing wireless connection. After turning the firewall off, visit a trusted site and see if that was the cause. Make sure to turn your firewall back on soon to keep your computer secure. You can also try to reset your router. If you’ve upgraded Windows recently, that could be the cause of your wireless connection failure. Your current adapter might be tailored to your last Windows version, not your upgraded Windows version. You may need to get an upgraded adapter for your current version of Windows.

Did you upgrade from Windows 7 to Windows 8 or another Windows version? If you upgraded from Windows 7 to Windows 8, you may need to update your system BIOS. If the black screen is showing up before you've upgraded to Windows 8, you will be able to upgrade your laptop to the latest version of BIOS by downloading the update. If the black screen is showing up after you've upgraded to Windows 8, there will be two options for getting the latest system BIOS. You can refer to this guide for the different fixes: http://www.dell.com/support/article/us/e...

Your battery may be dying, or your battery might not be receiving power properly from your power adapter. You might need to consider replacing your battery if the problem continues. You can replace your battery using the following guide: Dell Inspiron N5050 Battery Replacement