Safe mode starts Windows with a minimal set of drivers and services to help troubleshoot issues. If a problem doesn't reappear when you start your PC in safe mode, you can eliminate the default settings and basic device drivers and services as possible causes.

Find out how to submit a case review and learn more about your Xbox enforcements.

Important : Les comptes Microsoft, le système d’exploitation Windows et d’autres produits Microsoft incluent des mots de passe pour sécuriser vos informations.Cet article fournit certaines options que vous pouvez utiliser pour réinitialiser ou récupérer votre mot de passe si vous l’oubliez.

Windows Update recommends a reinstall after an update installation fails. If an update fails to install because of problems related to system files or components, you might see the following message in the Windows Update page in Settings:. Reinstall your current version of Windows to repair system files and components.

Here are some solutions to common problems with the new Microsoft Edge . If Microsoft Edge keeps crashing. If you can't open Microsoft Edge, or if it opens briefly and then closes, or if you’re unable to open specific webpages, here are some things you can try.

If you're having trouble launching Microsoft Store, here are some things to try: Reset the Microsoft Store cache: Press the Windows Logo Key + R to open the Run dialog box, type wsreset.exe, and then select OK.

Learn how to use Word in Windows with training guides, articles, and videos from Microsoft Support.

Tip: You can also format your text.Highlight a word or words in your title or questions, and then choose any of the following: Bold (keyboard shortcut - CTRL/Cmd+B), Italic (keyboard shortcut - CTRL/Cmd+I), Underline (keyboard shortcut - CTRL/Cmd+U), Font color, Font size, Numbering, or Bullets.

但如果需要测试多个条件，例如我们假设所有条件都需要为 True 或 False (AND)，或只有一个条件需要为 True 或 False (OR)，或者如果想要检查某个条件是否不 (NOT) 符合你的条件，这时该怎么做呢？这三个函数均可以单独使用，但它们更常见于与 IF 函数成对使用。

If you want to track your Microsoft Rewards order after you redeem an award, sign in to the Rewards page with your Microsoft account, select Redeem and then select Order history.On the Order history page, find your order and then look under Status.. Open Rewards dashboard