Fix connections to wireless displays or docks in Windows. Learn how to screen mirror or project content from one device to another.

While you can drag content between your phone and your PC, not all apps will accept content you want to transfer. If an app doesn’t accept your content, you can try using phone screen to transfer it instead. You can’t drag and drop files between your mobile apps from your PC.

Learn how to use function VLOOKUP in Excel to find data in a table or range by row. Our step-by-step guide makes vlookup in excel easy and efficient.

Error 0x8007045D or 8007045D occurs when you download your profile or an update or launch a game or app on your Xbox. Learn what to do if you see error code 0x8007045D or 8007045D when you try to download your Xbox profile or an update to your Xbox 360 console. Learn more.

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Step 1: Insert the game disc. If you’re playing a disc-based game, insert the game disc into the Xbox console. If the disc is already inserted, go to: Troubleshoot problems playing a disc. Step 2: Check the Xbox network status. Check the Xbox status page.

You can use a simple formula to sum numbers in a range (a group of cells), but the SUM function is easier to use when you’re working with more than a few numbers. For example =SUM (A2:A6) is less likely to have typing errors than =A2+A3+A4+A5+A6.

Check here for the known game issues that we're currently tracking and find out what you can do about them. You see the following error code when you try to start a game or an app: 87E00007. This may mean that an update is still being installed for the game or app you tried to start.

Get help and support, whether you're shopping now or need help with a past purchase. Contact Microsoft Support. Find solutions to common problems, or get help from a support agent.

You see the following error code when you try to launch a game or an app on your Xbox console: This may mean that there’s a needed update preventing the game or app from opening. To resolve this issue, make sure that all game and app updates are complete, and then try launching your content again.