While I click on the whatsapp web from menu , it opens scanner but can't read the code. Why?

  • We will need much more information to give good recommendations here. Please edit your question and include at least: The device you're using, Android version it is running. Also check and update the tags you've used to match your issue. Dec 26, 2015 at 11:04

3 Answers 3


It is Most probably due to the bandwidth of either Computer or Mobile me too have faced the issue when i had a bad bandwidth as the WhatsApp web changes its QR in a very short period of time within which the Android should capture it and process it online I'll prefer you to connect your mobile in wifi and try the same :)


I tried to scan it in portrait rather than landscape mode and it worked.


It could happen if you're using high contrast theme on Windows. If that's the case, then just set the theme to Windows Basic theme and it will work.

I regularly do it because I use black contrast theme.

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