Horizontal lines at the Bottom of the iMac(M1,2021) screen
Many users of iMac (M1, 2021) face a frustrating problem: horizontal lines show at the Bottom of the screen. These lines can disarrange your work and make your beautiful display look dirty. This issue can happen because of software malfunction, loose connections, or even hardware problems.We need to fix this problem quickly so it does not get worse over time.
The great thing is that there are straightforward ways to fix these lines without any unnecessary effort.You can get your screen back to normal by following a few easy steps. If the issue continues, trusted experts like iMac Repair Dubai are always ready to help.
Step-by-Step Solutions to Fix Horizontal Lines at the Bottom of iMac M1 (2021) Display
Step 1: Restart Your iMac
Sometimes, a quick restart can solve many display issues. Here’s how to do it:
- Click the Apple logo in the top-left corner of your screen to open the menu.
- Click the restart from the drop-down menu.
- Wait for your iMac to shut down and start again. Check if the lines still appear after restarting.
Step 2: Update macOS
An old-fashioned system can cause display problems. Make sure your iMac software is up to date.
- Click the Apple logo and go to system settings.
- Select software update from the menu.
- If an update is shown, click Update now to install it.
- After that, follow the on-screen instructions. Once the Update is complete, check if the horizontal lines still appear.
Step 3: Check Display Settings
Incorrect display settings might also be the reason:
- Open the settings options and click on displays.
- Make sure the resolution and refresh rate are set to the recommended settings.
- Set brightness and contrast to see if it makes a difference.
Step 4: Reset the NVRAM/PRAM
NVRM/PRAM stores display and system settings, and resetting it can help:
- Shut down your iMac.
- Please turn it on and quickly press and hold option + command + P + R right away.
- Keep the keys pressed for approximately 20 seconds. Your iMac will restart, and the settings will reset.
Step 5: Check for External Devices
Sometimes, connected devices can interfere with the screen:
- Unconnect all external devices like USB drivers, keyboards, and monitors.
- Restart your iMac and see if the lines go away.
Step 6: Try Running in Safe Mode
Safe mode can assist in detecting software-related issues.
- Turn off your iMac.
- Turn it on and quickly press and hold the shift key.
- Release the key as soon as the Apple logo becomes visible. If the lines do not show in safe mode, it is likely a software problem.
Step 7: Run Apple Diagnostics
Apple characteristics can help find hardware issues:
- Shut down your iMac.
- Turn on the device and hold the D key until you see the language selection screen.
- To start the diagnostics, follow the prompted steps. Look at any captured hardware problem.
Step 8: Contact a Repair Service
If previous steps haven’t fixed the issue, there may be a hardware problem. Reach out to experts like iMac Repair Dubai for accurate diagnosis and repair to restore your device’s performance.
Conclusion
Horizontal lines appearing on the screen of your iMac (M1, 2021) can be frustrating, but they are usually easy to fix. Begin with basic troubleshooting steps like restarting your device and updating macOS. If the issue persists, consider contacting expert repair services like iMac Repair Dubai to restore your screen to optimal condition.
Our reliable and skilled team will ensure your iMac is up and running smoothly in no time.