How to Fix Black-and-White Dots in Adobe Reader DC PDFs
Question details
Users experience black-and-white dots appearing on PDF documents when viewing, filling, or signing them in Adobe Reader DC.
- Product
- Adobe Acrobat Reader DC
- Device & OS
- not provided
- Scenario
- Viewing, filling out, or signing PDF documents.
- Observed behavior
- Unexpected black-and-white dots or rendering artifacts appear on the document, obstructing the content.
Before modifying application settings, ensure your computer's graphics drivers are fully updated, and save any progress if you are actively filling out a PDF form.
Disable 2D Hardware Graphics Acceleration
Turning off hardware acceleration prevents the GPU from interfering with PDF rendering, which often resolves visual glitches like dots or artifacts.
Adobe Reader uses your computer's hardware acceleration to speed up the rendering of complex graphics. However, incompatible or outdated graphics drivers can cause this feature to malfunction, resulting in black-and-white dots.
Launch Adobe Reader DC, click on 'Edit' in the top menu bar, and select 'Preferences' from the dropdown list.
In the Preferences window, select 'Page Display' from the list of Categories on the left side.
Under the 'Rendering' section, uncheck the box labeled 'Use 2D graphics acceleration'. Click 'OK' to save your changes, then restart Adobe Reader to see if the issue is resolved.
Repair or Update Adobe Reader Installation
Outdated or corrupted software files can cause rendering bugs. Updating or repairing the installation restores the software's normal functionality.
Adjust Page Display Resolution
Changing how Adobe Reader interprets the display resolution can sometimes clear up graphical artifacts on specific monitors.
Use WPS Office to View and Edit PDFs Without Glitches
Bypass Adobe Reader's rendering bugs entirely by opening your PDF files in WPS Office. WPS features a lightweight, highly compatible PDF reader and editor that smoothly renders text and graphics without visual artifacts.
- 1. Download and Install WPS Office: Download WPS Office for free from the official website and complete the installation on your computer.
- 2. Launch the WPS PDF Tool: Open WPS Office and click on the 'PDF' tab from the home dashboard to access the built-in PDF reader.
- 3. Open Your Document: Click 'Open' and select the PDF file that previously displayed black-and-white dots. You can now view and edit it smoothly.
Frequently Asked Questions
Why do black-and-white dots appear only on certain PDFs?
This usually happens when specific PDFs contain complex vector graphics, high-resolution images, or transparency layers that conflict with your PDF viewer's 2D hardware graphics acceleration settings.
Can an outdated graphics driver cause PDF rendering issues?
Yes, an outdated or corrupted display driver can interfere with how hardware acceleration processes images, leading to artifacts like dots or missing text in PDF documents. Updating your GPU drivers via your manufacturer's website often resolves this.
Will repairing Adobe Reader delete my saved PDF files?
No, repairing the Adobe Reader installation only replaces missing or corrupted application files. Your personal PDF documents, custom preferences, and saved forms will remain completely unaffected on your hard drive.
