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Make everyday computer tasks and troubleshooting less mysterious.
Search this topicNo. Renaming a suffix changes the name, not the data inside the file. A picture renamed from .jpg to .pdf is still JPEG data and may fail to open as expected. Use an appropriate application’s export, conversion, or save-as function instead, then verify that the new file opens correctly before removing the original.
Open Settings, choose System, then Focus, set your desired duration, and start the session. You can choose whether to hide taskbar badges and flashing, show a timer, and enable Do Not Disturb. The Clock app provides additional Focus controls. Review notifications afterward; a Focus session quiets interruptions rather than deleting incoming messages.
Open System, then Notifications in Settings and select the app in the sender list. Turn off its notification sound while leaving other options, such as banners or notification-center entries, enabled if you want them. This is useful when an app’s alerts are worth keeping but its repeated sound is distracting.
Yes. Open the Notifications page under System in Settings and review the priority-notification settings. Choose the reminders, calls, or apps that should be allowed through, and check any automatic Do Not Disturb schedule. Other notifications can remain available in the notification center. Do not assume the mode blocks every alert unless you have reviewed its exceptions.
Open Settings, choose System, then Display, and open Night light. Enable its schedule and choose either sunset-to-sunrise behavior or your own start and end times. Adjust the strength to a comfortable level. Night light changes the display’s color appearance, so turn it off when judging colors for a photo or other color-sensitive work.
Windows does not expose its brightness slider for every external monitor. Use the monitor’s own buttons and on-screen menu to adjust the backlight, or its manufacturer-supported control software if available. Changing a laptop’s built-in display slider may affect only that display. Confirm which screen you are adjusting before changing unrelated color settings.
Click inside a text box and press Windows+H. Wait until the voice-typing panel indicates that it is listening, then speak clearly. This feature needs a working microphone and an internet connection. Stop it with the microphone button when finished, then proofread the result before sending or saving; names, numbers, and punctuation may need correction.
Open voice typing with Windows+H while a text field is selected, then open the panel’s settings with its gear icon. Enable automatic punctuation and confirm that the intended microphone is selected. Speak in natural phrases, then review the inserted punctuation afterward. This setting belongs to voice typing; another transcription app may have its own separate controls.
Open Settings, choose Accessibility, then Mouse pointer and touch. Increase the pointer size and select a color or style that contrasts with your usual backgrounds. Try it on both a light and dark window before settling on a choice. This changes the pointer’s appearance, not the size of the text or documents underneath it.
Open Accessibility in Settings, then choose Text cursor. Increase the cursor thickness or enable its colored indicator, using the preview to choose a useful size and color. Test it in a text field you use regularly. These controls help identify the insertion point and are separate from the mouse-pointer settings.
Finish transfers and close files you are using on the drive. Open the system-tray overflow if necessary, right-click the hardware-removal icon, and choose Eject for the correct device. Wait for Windows to confirm it can be removed before unplugging it. Check the device name carefully when several removable drives are connected.
Open Settings, choose Apps, then Installed apps. Find the affected app, open its three-dot menu, and select Advanced options if available. Try Repair first and reopen the app afterward. Some programs instead provide Repair or Change through Control Panel’s Programs and Features. Not every app supports these options; use its developer’s instructions when they are absent.
Repair attempts to fix the app while preserving its data. Reset returns it to its default state and may remove local app data or preferences. Save or sync anything important and read the confirmation before resetting. An app reset is also different from resetting the entire PC; make sure you are working in the intended app’s settings.
Open Settings, choose Network and internet, then Mobile hotspot. Select the existing internet connection to share, choose the sharing method, and review the hotspot name and password before enabling it. Connect the other device to that network with the password. The PC must have a working connection to share; the hotspot does not create internet service by itself.
If the PC is sharing its cellular connection, connected devices consume data from that plan. Check which source is selected in Mobile hotspot settings rather than assuming it uses a nearby Wi-Fi network. Limit large downloads when data is metered, and turn the hotspot off when finished. Sharing Ethernet or Wi-Fi uses that selected connection instead.
Record the key ID shown on the recovery screen. From another device, check the Microsoft account used to set up encryption, or contact your work or school IT team if the computer is managed. Also check any saved printout or USB backup. Match the key ID before using the associated 48-digit recovery key; keep the key private.
No. The recovery key is a separate 48-digit value used to unlock an encrypted drive when normal unlocking is unavailable. Microsoft Support cannot recreate a missing key. Check account, organization, printout, and USB backups before taking destructive recovery steps. Resetting a locked device without recovering its data can remove files, so do not treat a reset as a harmless password change.
Open Privacy and security in Settings, then Camera or Microphone. Check the device-level access setting and the relevant app permission. Traditional desktop apps may use a shared desktop-app control rather than separate switches. Enable access only for the use you intend, then test the app; its own camera or microphone selection may also need adjustment.
The browser also controls permissions for each website. In Microsoft Edge, allow camera or microphone access for the specific trusted call site when prompted, or review that site’s permissions in browser settings. Windows-level access alone does not grant every website permission. Check both layers and the call’s selected input device instead of allowing all sites indiscriminately.
Open Settings, choose System, then Power and battery. Expand the screen, sleep, and hibernate timeout section and adjust the screen-off interval for the relevant power condition. Battery and plugged-in values can differ. Choose only the extra time you need, since a longer idle display time uses more energy and does not change every app’s timeout.
Screen-off and sleep are separate timers. Under System, then Power and battery in Settings, review the sleep interval as well as the display interval, including both battery and plugged-in settings. Extending only the display timer does not necessarily change sleep behavior. If you need a temporary exception for a task, restore an appropriate power-saving setting afterward.
Press Windows and the plus key to open Magnifier. Use its controls to adjust enlargement, then press Windows+Esc to close it when finished. Magnifier enlarges the screen view rather than changing the document itself. If only one browser page needs enlargement, that browser’s zoom controls may be a more appropriate adjustment.
Open Settings, choose Accessibility, then Magnifier, and expand its view options. Enable tracking of the text cursor, and choose how it should stay within the magnified area. You can separately choose whether to follow the mouse pointer or keyboard focus. Test the combination in a document and keep the behavior that helps you maintain your place.
Open File Explorer, choose This PC, and search for the file’s name in the search box. Check the account and profile you are signed into before assuming the file was deleted. Files stored in OneDrive may need a separate check in that account. Avoid immediately reinstalling or resetting Windows while you are still trying to locate missing files.
Source checks for these answers: September 22, 2026. Product instructions and local requirements can vary.