How To Enable Screen Share On MacBook | Two Toggles To Flip

Enabling screen sharing on a MacBook takes about thirty seconds: open System Settings, go to General > Sharing, and toggle Screen Sharing on.

A colleague needs to see your screen. Or you need control of your MacBook from across the house. The feature is built in—no extra software, no subscriptions—but it hides behind two settings that trip up most people. One toggle turns it on; the other (if it’s already flipped the wrong way) blocks everything. Here is the exact path, the one conflict you must avoid, and how to connect from another device.

Where Screen Sharing Lives In macOS

The setting hasn’t moved in three major versions of macOS. Whether you are on Ventura, Sonoma, or Sequoia, the steps are identical.

1. Click the Apple menu (top-left corner) and select System Settings.
2. In the sidebar, click General, then scroll down and click Sharing.
3. Look for the Screen Sharing entry and toggle it On.

That single toggle activates the service. But whether anyone can actually connect depends on one more screen.

The Remote Management Block You Have To Clear First

Screen Sharing and Remote Management cannot run at the same time. If Remote Management is already turned on—and it often is on work-managed MacBooks—Screen Sharing stays grayed out or silently fails to start. The fix is one toggle.

• In the same Sharing panel, find Remote Management.
• If it is toggled On, flip it Off.
• Now toggle Screen Sharing back on. It will stay on.

This is the most common “it’s not working” problem on personal MacBooks that were once set up for remote IT support.

Setting Who Can Connect And How

Toggling Screen Sharing on opens the possibility. The permissions you set next control who actually gets through.

Click the Info button (i) next to the Screen Sharing toggle to open the details panel:

• Anyone may request permission to control the screen — best for ad-hoc help sessions where the other person sends a request and you approve it live.
• VNC viewers may control the screen with a password — creates a fixed password for third-party VNC apps (useful for cross-platform connections from Windows or Linux).
• Under Allow access for, choose All users or Only these users. If you pick “Only these users,” click the + button and select the macOS accounts allowed to connect.

Click Done. Your MacBook is now visible on the local network for screen sharing.

How To Connect From Another Mac (Initiate A Session)

With Screen Sharing enabled on the target MacBook, you can connect from another Mac using the built-in Screen Sharing app.

1. Press Command + Space to open Spotlight, type “Screen Sharing,” and press Return.
2. In the app’s sidebar, click Network or the + icon for a new connection.
3. Enter the target MacBook’s Apple ID (email), its Bonjour hostname (e.g., My-MacBook.local), or its IP address.
4. Enter the macOS username and password for an account that has access, then click Sign In.
5. Choose Control My Screen (full mouse and keyboard control) or Observe My Screen (view-only).

On Apple Silicon Macs running macOS Sonoma 14.0 or later, you will see an additional option: High Performance. This mode delivers smoother frame rates and lower latency, ideal for video editing or graphics work. Intel-based Macs only see the Standard option.

Quick Alternatives: FaceTime And Browser Sharing

FaceTime Screen Share (Built-In, Zero Setup)

If you are already on a FaceTime call, you can share your screen without enabling the Screen Sharing service. During a call, click the Share Content icon (the person icon with an arrow) in the menu bar, then choose Share Entire Screen or Share This Window. The other person sees your screen live inside the call. This method requires no configuration and works for quick walkthroughs.

Browser Screen Sharing Won’t Work? Check Screen Recording Permissions

When a web conferencing app (Zoom, Google Meet, Chrome) cannot share your screen, the cause is almost always a missing permission.

1. Open System Settings > Privacy & Security > Screen Recording.
2. Check the box next to your browser or conferencing app.
3. If the list is locked, click the lock icon (bottom-left) and enter your MacBook’s password.
4. Quit the browser or app completely, then relaunch it.

That single toggle accounts for most “screen sharing not working in Chrome” reports on Mac.

Common Mistakes That Stop Screen Sharing Cold

Apple’s official screen sharing guide covers each of these in more detail, but the table above resolves 90% of the issues people hit.

When Screen Sharing Still Won’t Connect

If you have toggled Screen Sharing on, cleared Remote Management, and set the permissions but the connecting Mac still says “Connection Failed,” check the firewall first.

The macOS firewall sometimes blocks Screen Sharing even after you have enabled the service. Open System Settings > Network > Firewall > Options and scroll until you see Screen Sharing in the list of allowed apps. If it is missing or unchecked, click + and add it from /System/Library/CoreServices/.

If both devices are on the same Wi-Fi network and screen sharing still fails, try connecting via IP address instead of the Bonjour hostname. Find the target Mac’s IP in System Settings > Network > Wi-Fi > Details, then use that IP in the Screen Sharing app’s connection dialog.

Checklist: Enable Screen Share In Under A Minute

• Turn Screen Sharing on — System Settings > General > Sharing > Screen Sharing toggle.
• Disable Remote Management if it is active — same Sharing panel.
• Set access — All users or specific accounts via the Info (i) button.
• Set a VNC password if you plan to connect from Windows or Linux.
• Check the firewall — System Settings > Network > Firewall > Options, allow Screen Sharing.
• Connect — Use the Screen Sharing app on another Mac, or a VNC client with vnc://[IP].