The inability to scan the QR code on the WeChat web version may be caused by multiple reasons and needs to be checked and solved one by one. ①The network connection is unstable: Confirm whether the computer and the phone are connected to the same Wi-Fi, try to open other web pages to check the delay, switch the network or restart the router; ② WeChat version is too old or cached: Check and update the mobile phone WeChat to the latest version, clear the cache and log out again; ③ Browser compatibility issues: Priority is used to use Chrome or WeChat's own browser, try to change the browser, disable the plug-in or use the traceless mode; ④ Other common situations: troubleshoot whether the account is restricted, refresh the page to see if the QR code is abnormal, and calibrate the mobile phone system time and time zone settings. Following the above steps to check step by step, it can usually effectively solve the problem of scanning the code.
The WeChat web version cannot scan the QR code, which is really a headache. Sometimes I am in a hurry to log in to the computer and I can’t respond after scanning my phone. The first reaction may be a network problem, but there may actually be multiple reasons.

Unstable network connection
The WeChat web version relies on a stable network environment. Whether it is a computer or a mobile phone, as long as one end of the network is unstable, it may lead to the failure of scanning the code. You can confirm first:

- Is the computer and the mobile phone connected to the same Wi-Fi?
- Try to open other web pages to see if there is any delay or loading
- Try changing the network, such as switching from Wi-Fi to mobile data
Sometimes restarting the router can also solve some strange network problems, so don't underestimate this step.
WeChat version is too old or cached
If you do not update WeChat for a long time, compatibility issues may occur. Especially the web version of WeChat actually relies on the mobile WeChat version. It is recommended to check:

- Is the latest version of WeChat on your mobile phone?
- Clean up the WeChat cache (Settings > General > Storage Space > Clean up the cache)
- Log out of WeChat and log in again
Some users reported that after the update, the scanning code function will return to normal, so don’t skip this step.
Browser compatibility issues
When using the WeChat web version, not all browsers fully support it. If you are using Edge or Firefox, sometimes compatibility issues will occur. It is recommended to use Chrome or WeChat's own browser.
- Try changing your browser
- Disabling browser plugins, such as ad blocking plugins, may affect the scanning process.
- Try opening the WeChat web version using traceless mode
Sometimes it’s just a browser plug-in that is causing trouble, and you can scan the code immediately after you turn it off.
Other common situations
There are also some less common reasons that can also cause scan code failure, such as:
- WeChat account is restricted from using the web version (such as frequent login and logout)
- QR code generation exception (refresh the page and try again)
- The mobile phone system time is inaccurate (check the mobile phone time and time zone settings)
Although these situations are rare, they are worth checking. After all, no one wants to get stuck at this step.
Basically, these common reasons are all the common reasons. Most of the time, they can be solved step by step according to the above method.
The above is the detailed content of WeChat Web not scanning QR code. For more information, please follow other related articles on the PHP Chinese website!

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