How to Fix Acer Monitor No Signal issue [Easy Guide]

What is ‘Acer Monitor No Signal’ issue?

In this post, we are going to discuss on “How to Fix Acer Monitor No Signal Issue”. You will be guided with easy steps/methods to do resolve the issue. Let’s starts the discussion.

‘Acer Monitor No Signal’ Issue: It is common problem associated with any PC’s monitor like Acer brand’s monitor. Sometimes, ‘No Signal’ error is appeared on your PC’s monitor when you turn ON your monitor. If your using Acer monitor as display output of your Windows computer, then you can’t access your Windows desktop due to this error. This error is no way related to your Windows computer.

If you are noticing ‘No Signal’ error on Acer Monitor, then it could problem in your monitor hardware and its connections. This error is occurred usually due to some internal problems with your computer or of monitor itself. One possible reason behind this error can be incorrect input source you are using to connect devices like PC, game console to monitor.

Sometimes, this error can be occurred if your PC is in sleep mode. In such case, you can fix the issue by turn OFF Sleep mode of computer by pressing any key on keyboard. Another possible reason behind this error can be your graphics card (hardware) which may not be properly inserted in right slot. However, it is possible to resolve the issue with our instructions. Let’s go for solution.

How to fix Acer Monitor No Signal issue?

Method 1: Check input source

This error is occurred usually due to incorrect input source. Most monitors have multiple available input sources like DP, VGA, HDMI, and DVI so you can connect multiple devices like PC, external speakers, game console and others to same monitor. Check if input source is correct.

Step 1: Turn ON your monitor and computer, and hit ‘Menu’ button on the corner of display

Step 2: Go to ‘Input Source’ and select the proper one. For example, select input source as HDMI if you connect your monitor to HDMI port on computer. and check if it works.

Method 2: Check Acer monitor cable

Damaged or loose cable connection between monitor and computer can cause this error. You should make sure that there is no issue with your monitor cable and it is connected to monitor and computer properly. You can replace your monitor cable with new one in order to fix damaged cable issue.

Method 3: Check if PC is in Sleep Mode

It might possible this issue is occurred if your PC is in Sleep mode. You can break sleep mode of computer in order to fix the issue. To do so, you can press any key on keyboard to wake up your PC. You can other method also to break sleep mode of computer.

Method 4: Perform Acer Monitor reset to factory settings

You can perform factory reset of monitor in order to fix the issue.

Step 1: Connect external monitor and turn ON your Acer computer

Step 2: Once your computer turned ON, press ‘Windows + P’ to open ‘Easy Display Switcher’ select ‘Computer Only’

Step 3: Turn OFF your computer and disconnect external monitor.

Step 4: Once done, restart your computer and check if it works.

Method 5: Check if graphics card is inserted properly in correct slot

This issue can also be occurred if graphics card (hardware) is not inserted properly.

Step 1: Turn OFF your computer and unplug all cables

Step 2: Open CPU case and find and remove your graphics card (hardware) from motherboard

Step 3: Reconnect graphics card to motherboard properly and plug power cable to PC

Step 4: Hold ‘Power’ button for 30 seconds and then connect the power cord and turn ON your PC

Method 6: Update graphics card Driver

Outdated or corrupted graphics card driver in computer can cause ‘Acer Monitor No Signal’ issue. You can uninstall your graphics card driver in computer and reinstall the latest version of graphics card driver from manufacturer official site, and then install it into computer in order to resolve the issue. To do so, you can try external monitor that doesn’t causing any issue. Once driver updated, insert Acer monitor and check if it works.

You can also try to update your graphics card driver with ‘Automatic Driver Update Tool’. This software offers you to find and install all Windows drivers including graphics card driver. You can get this tool through button/link below.

⇓ Get Automatic Driver Update Tool


I am sure this post helped you on How to fix Acer Monitor No Signal issue with several easy methods/steps. You can read & follow our instructions to do so. That’s all. For any suggestions or queries, please write on comment box below.

Samir Prakash Author