Is yourLenovo laptop not detecting external monitorand showing no image display?
In thisMiniToolguide, I will explain how to restore your external monitor connection quickly.
However, some Lenovo laptop users have reported the issue of Lenovo laptop not detecting external monitor.
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To fix the detection issue and restore your external display, you could try the following solutions.
Lenovo External Monitor Not Detected How to Troubleshoot
Way 1.
So, you might give it a try.

Here are the specific steps.
Here is a list of some bad habits destroying computer.
you might venture to avoid these habits when using your box.
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Way 2.
PressWindows + Ito open parameters.
SelectSystemand stay in theDisplaysection.
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In the right panel, clickDetectunderMultiple displays.
Way 3.
Update the Display Adapter Driver
External monitor detection issues can also be because of an outdated or corrupted driver.
In this case, you could try updating the driver and see if it helps.
Right-hit your gadget and chooseUpdate driver.
Next, selectSearch automatically for driversto check for and set up the driver.
Way 4.
In theDisplay adapterssection in rig Manager, right-click your rig and chooseUninstall rig.
Next, clickUninstallagain to confirm the action.
After that, kickstart your rig and open equipment Manager again.
Finally, right-click your display gear and clickScan for hardware changes.
Way 5.
Update Windows
Windows system updates often contain fixes related to hardware compatibility, drivers, or display tweaks.
If you have not updated Windows in a long time, updating to the latest system version may help.
How to fix KB5053598 issues, including RDP disconnection issues and the blue screen of death.
Read this post to get effective workarounds.
Way 6.
Then, go to the website that matches your product name to download and drop in the firmware update.
Way 7.
Update BIOS
Sometimes, the Lenovo laptop not detecting external monitor issue is sparked by hardware compatibility issues.
If this is your case, updating the BIOS may fix it.
The steps to update BIOS vary from your setup brand and model.
Then, boot into BIOS andupdate BIOSby using the files in the USB drive.
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Here are the key factors you should take into consideration.
Bottom Line
There are several ways to fix the Lenovo laptop not detecting external monitor issue.