Press J to jump to the feed. The Dell monitor supports two input color formats, RGB (digital computer standard) and YPbPr (analog TV standard). 4. From reading all the forums related to blurry text, it looks like there are several solutions that people try including: (1) switching to a different type cable (ex: from HDMI to DVI), (2) changing screen resolution, (3) switching display mode type (HiDPI), (4) turning off font smoothing, (5) factory resetting the monitor, etc.

On my Dell monitor, I go to the monitor’s settings Menu and select “Color Settings” to view the “Input Color Format” field. 3. :). Thanks for providing such detailed instructions! By using our Services or clicking I agree, you agree to our use of cookies. 1080p at 24" isn't the best resolution, and it's a lot lower than your laptop. To find your username, try the following commands: Hi everyone, 2. I suspect that you are connected with an hdmi cable.

Hi, thanks for sharing. Any other idea?

I am a bot, and this action was performed automatically. (My Safari browser automatically unzipped the archive file after downloading.). Reboot into the macOS Recovery Mode.

think it was because I installed a beta driver from Dell for Catalina.. now that Dell released a new driver, i am able to create the file now. Therefore, in order to paste the DisplayVendorID-XXXX file to the Overrides folder, after disabling SIP from Recovery Mode, restart to the normal macOS (my Mac version is Catalina 10.15.5). 2xDell U2518D and 10.15.7 (19H2), Your email address will not be published. If I ever find out, I will contact you again.

The problem is caused by the Mac choosing to talk to the Dell monitor using YPbPr, an input color format previously used by S-Video and composite video for analog TVs. I’m using Catalina 10.15.5, my external monitor is Dell 2419H and I’ve met this blurry problem. The color format changed to RGB but the quality remained the same – blurry. Adjust the System Preferences for your Mac’s display, Tip 6. Many thanks anyways . Because the EDID override files are located in a protected system directory, “/System/Library/Displays/Contents/Resources/Overrides/”, we will need to use the macOS Recovery Mode to write to it. Not sure. MacBook Pro Retina 2019 Under Display, there should be a radio button to select "Default for Display". Unfortunately, I don’t know another way to activate higher resolution HiDPI. – It’s funny when a monitor works on Linux way better than on an MBP. Any advice? It worked just fine!

MacBook Pro on External Monitor blurry? After reboot, the text on the Dell monitor is no longer blurry and pixelated. If you're looking for a place to have more personal, in-depth Mac discussions and perhaps want to venture off topic a bit more than you feel comfortable doing here, you should join our Discord server! cd /Volumes/Macintosh\ HD/Users/username/Downloads/patch-edid/. I didn't expect it to be anything amazing in terms of display but I was hoping for the text to be clearer at least. *sudo mount -uw / is used to remount the system volume read-write, but it only applies to the current session – when you reboot it will again mount as read-only.

Many users are having blurry text or fonts on Mac computers with external non-retina monitors.

After that, restart your Mac. I also recommend to play with various text antialiasing options, as documented here: 1. I did everything in the instructions but in my case no Override file was created in the Display folder, so when i tried out the last steps, nothing happened. It helped to switch my Dell P2416D to RGB mode.

Hello! Click that and see if that fixes that problem. I downloaded and ran the file in Terminal, but it failed to create a DisplayVendorID file. (i have rebooted the Macbook) Is it because Catalina 10/15/4 has higher security settings? Note: I did not see this problem when connecting my MacBook Air 2015 to the Dell monitor using the Apple Mini DisplayPort to DVI adapter. Once the projector works and if the image projected is blurry, you can try the fix above to sharpen the text quality.
The solution is to force the Mac to use the RGB input color format for my Dell U2410 monitor.

Reproduction without explicit permission is prohibited, Tip 1. If you're using a display hub, switchbox, or "KVM," try connecting your display's video cable directly to your Mac … Required fields are marked *.

Thanks for the update about it not working under macOS 10.15 Catalina, Andrei. Not sure why it won’t let you overwrite since you are in recovery mode already. Thanks Chan, I think the problem right now is that i can’t write to “/Volumes/Macintosh HD/System/Library/Displays/Contents/Resources/Overrides” folder. Update all the software on your Mac, Tip 2. Success. (Unfortunately, the photo to the right does not show the blurry/pixelated text very well.) 5. Now, you can copy and paste the DisplayVendorID-XXXX file to Overrides folder as the usual way you do to copy and paste a normal file. However, there’s an easier way to copy and paste this file. Make sure Display Mirroring is turned off and the display settings on the external monitor are set to its native resolution. MacBook Pro (Retina, 15-inch, Late 2013) 10.13.6 (17G8030), Unfortunately, this didn’t solve my problem. Thank you very much for getting back to me Chanh.

The workaround was to use a USB-C to HDMI cable instead.

I have followed step by step, but, unfortunately, it did not work for my MacBook Pro 2020 (Catalina 10.15.4) using a Dell Monitor 21”. Notify me via e-mail if anyone answers my comment. When the Mac starts up, hold down “Command-R” (hold down both the “Command ⌘” and “R” keys) and release when you see the Apple logo. a Dell U2410. Restart your Mac with the external monitor connected, Tip 5. Check the compatibility of your external monitor, Tip 3. I’ve got a 32” samsung curved monitor hooked up to my 2016 MacBook 12” and pretty much the same problem. Please contact the moderators of this subreddit if you have any questions or concerns. It sounds like the Macbook doesn’t recognize or use the projector as a secondary screen. After taking lots of time to search for the solution, this is how I actually solve this problem: Launch the Terminal app and run these commands: The script outputted the following on my Mac: Take note of the output file, “/DisplayVendorID-10ac/DisplayProductID-f016”. Worked for my MBP 2015 with Catalina and Lenovo monitor….

This fix worked for me on a 2018 MacBook Pro. Sorry to hear that it didn’t work for you. (On a side note, I have an older Dell 2407WFPb monitor which puts itself into “Mac mode” when connected to a Mac. I read on some forums online that this may be because im using a HDMI cable, and it might be resolved by using a Mini Display Port? I found this page, 2018 MacBook Pro blurry displayport output, which suggests that the issue is related to using the USB-C to DisplayPort cable. yes. You may need to download drivers from Dell to get the projector working. The lines aren’t smooth, but jagged.


When I connecting the HDMI cable into the laptop’s dongle, it immediately results in blurry texts .

I used patch-edid method that you have described. This is accomplished by creating or overwriting the macOS’s EDID (Extended Display Identification Data) configuration file for the Dell monitor. Hey, you! How to fix…, macOS Catalina Install or Update Errors? If you use “csrutil disable”, I think you have to reboot for it to take effect and then even in non-recovery mode, you should be able to write to “/Volumes/Macintosh HD/System/Library/Displays/Contents/Resources/Overrides” folder. I only did it on macOS 10.14 Mojave with the Dell U2410 monitor. Check these tips, connecting your external monitor to your Mac. im having trouble on this part. It always says “No such file or directory even I typed correctly the path. Something sounds odd. 6. oh that worked now… (don’t know why though). iPhone 12 Pro vs 11 Pro: Should You Upgrade? After connecting my newly-purchased Mac mini 2018 to my Dell U2410 24 inch 1920×1200 LCD monitor by HDMI cable, I notice that the text is a little blurry and pixelated. Sounds like you're not at the native resolution of the panel (even though the link you provided says it supports 1080p). There needs to be an easier way for Macs to select the color mode. but the problem right now is that i can’t paste the commands in Terminal in recover mode (keep saying the commands not found) and i can’t paste the newly created display folderunder Overrides (the system forbids me from doing so even i already used “csrutil disable” in recover mode). Update all the software on your Mac. and i was able to activate the forced RGB mode (Edid override) but it did not seem to have solve the blurry problem. I am using USB-C cable for connecting the display to the laptop. When I typed in this command on the terminal, I get “command not found.” running Catalina of course, and this works like a charm for

On my Mac, the “DisplayProductID-f016” file did not exist in the system “Overrides” folder. Enter your user password For the command not found, which command are you trying to run? Unfortunately, I don’t have any solutions that I can think of, without owning the same monitor and testing. When you connect the Dell projector to your Macbook, does the projector display your screen? I was worried the issue was incompatibility with an older HDMI monitor, but updating the EDID per your instructions corrected the issue. We will need to put the ProductID file with its VendorID parent folder under the EDID overrides folder like so: “/System/Library/Displays/Contents/Resources/Overrides/DisplayVendorID-10ac/DisplayProductID-f016”. One example is having your Macbook Pro with retina display connected to an external display which may cause the text to be blurry on the latter. thanks ! Whatever else the monitor supports. I have Dell P2419H projector and Catalina 10.15.4. on my Macbook Air. Reconnect all the cables and use a different port, Tip 4. Use a different cable. I do have a 27” QHD (1440P) that only supports 1080P (officially, however it can accept 1440P over HDMI from certain devices) on its HDMI ports. Now, you can paste the DisplayVendorID-XXXX file to the Overrides folder by using command lines as Chanh has mentioned above.

thanks so much. “Not copied to the iPad because you are not authorized for it on this computer error” – Fix, How to edit and create customized Memoji in iOS 13 and iPadOS. thank you! Thanks a lot for this tutorial : I just bought a Mac Mini 2020, The text looks sharper and the lines are smoother. A community for all things relating to Apple's Macintosh line of computers. are there any ways that i can paste the new display folder to Overrides? On my Mac, the main “Macintosh HD” drive is automatically mounted. Press question mark to learn the rest of the keyboard shortcuts, Power Macintosh G4 MDD (1GHz, 2GB, GeForce4 MX 64MB). Various pieces of software are involved in making an external … Cookies help us deliver our Services. It’s supposed to be “cp -R”, not just “-R”. Command not found might be because the copy command “cp” is missing from the beginning. Dell S2719DC. The details are documented by this webpage, Fixing the External Monitor Color Problem with My 2018 MacBook Pro.

Once in recovery mode (you will see “macOS Utilities” in the top menu bar), click on the “Utilities” menu and select “Terminal” to launch the Terminal application. That's likely just due to the resolution of the monitor itself. This blurriness seems to be due to changes in the anti-aliasing in these particular macOS versions. If not, try different scaled resolutions and see if one is better than the others.

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