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Fix a problem

The QR code does not connect

Fix missing codes, camera access, network addresses, and browser links.

No QR code on your computer?

In PPTControl Desktop’s menu, choose Show Pairing QR Code.

See the QR code on your computer

Mac visual guide
1. In the Mac menu, choose Show Pairing QR Code.
1. In the Mac menu, choose Show Pairing QR Code.
2. Keep this window open to scan from your phone.
2. Keep this window open to scan from your phone.
Windows visual guide
1. In the Windows menu, choose Show pairing QR code.
1. In the Windows menu, choose Show pairing QR code.
2. Keep this window open and scan the code on your own PC.
2. Keep this window open and scan the code on your own PC.
  • No network connection / Waiting for a network address? Connect the computer to Wi-Fi, Ethernet, or your phone’s hotspot.
  • Local network access is blocked? Check the firewall or ask your network administrator.

Code won’t scan?

  • Open Scan QR Code in PPTControl’s device list.
  • Allow camera access. Hold the phone steady with the whole code in view.
  • Use the current pairing code from PPTControl Desktop. Avoid download codes and old screenshots.

Still not scanning in PPTControl? Try your phone’s normal Camera app:

  1. Point it at the current pairing code on your computer.
  2. Tap the link that appears. PPTControl may open directly.
  3. If a pairing page opens in the browser, tap Open PPTControl. The mobile app must be installed.

Find the scanner on your phone

iPhone / iPad visual guide
1. In PPTControl’s Connect tab, tap the QR scanner in the top-right corner.
1. In PPTControl’s Connect tab, tap the QR scanner in the top-right corner.
2. Allow camera access if asked, then point the frame at the code displayed on your computer.
2. Allow camera access if asked, then point the frame at the code displayed on your computer.
Android visual guide
1. In the Connect tab, tap the QR scanner in the top-right corner.
1. In the Connect tab, tap the QR scanner in the top-right corner.
2. Point the scanning frame at the code on your own computer.
2. Point the scanning frame at the code on your own computer.

Check camera permissions →

A browser opens instead?

On the pairing page, tap Open PPTControl.

Open PPTControl from the pairing page

iPhone / iPad visual guide
In Safari on iPhone or iPad, tap Open PPTControl on the pairing page.
In Safari on iPhone or iPad, tap Open PPTControl on the pairing page.
Android visual guide
In your Android browser, tap Open PPTControl on the pairing page.
In your Android browser, tap Open PPTControl on the pairing page.
  • App missing? Install PPTControl on your phone first.
  • Nothing opens? Open PPTControl and use its Scan QR Code button.

Code scans, but won’t connect?

Both devices need the same local network: Wi-Fi or your phone’s hotspot. Scanning the code does not connect them to Wi-Fi.

  1. On your computer, open the address list below the QR code.
  2. Choose another available address on the shared Wi-Fi or Ethernet network.
  3. Scan the updated code in PPTControl.

Choose another address, then scan again

Mac visual guide
On Mac, choose another available address below the QR code, then scan the updated code.
On Mac, choose another available address below the QR code, then scan the updated code.
Windows visual guide
On Windows, choose another available address in the QR-code window, then scan the updated code.
On Windows, choose another available address in the QR-code window, then scan the updated code.

Still stuck on “Connecting”? →

Wi-Fi & hotspot help →

Still stuck? Contact support