Cast to a display from a Windows PC. You can wirelessly connect your PC to a TV, projector, or other kind of external display that supports Miracast. Turn on your TV, projector, or other display. If you're using a Miracast dongle or adapter, make sure it's plugged in to the display.

PC Health Check app brings you up to date info on your Windows device health, helping you take action to improve your device performance and troubleshoot performance problems. It is periodically updated based on customer feedback to help you make the most of your Windows PC. How to open PC Health Check. In Windows, use Search on the taskbar to ...

Hide or display zero values in Excel worksheets by using an option in the Advanced tab, or by using a number format, using a conditional format, a function, and by hiding zeros in PivotTable reports.

Fix Bluetooth problems in Windows. If you run into problems trying to connect to a Bluetooth device, here are some troubleshooting steps to try. Note: For general info about how to connect a Bluetooth device to your PC, see Pair a Bluetooth device in Windows.

Select Start > Settings > System > Display > Advanced display . Next to Choose a refresh rate, select the rate you want. The refresh rates that appear depend on your display and what it supports. Select laptops and external displays will support higher refresh rates.

Open and run DxDiag.exe. This tool is used to collect info about devices to help troubleshoot problems with DirectX sound and video. A support person might ask for this info, or you might post it in a forum when you ask for help.

If you can't sign in to your Outlook.com, Hotmail, Live, or MSN email account, or you're not sure how to sign in or sign out, here are some solutions.

Make sure your Windows device is connected to the internet. Make sure Windows is up to date by going to Windows Update on your device and checking for available updates. Reboot your device and try again. Ensure your USB ports are not disabled in Device Manager. Try another USB 2.0 or 3.0 port.

If your touchpad isn’t working, it may be a result of a missing or out-of-date driver. Updating or reinstalling your touchpad drivers in Device Manager may help solve the problem. To open Device Manager, enter device manager in Search on the taskbar, then select Device Manager.

Learn how to check if your PC is capable of running TPM 2.0 or how to enable TPM 2.0 to upgrade to Windows 11.