Symptom
This section includes common display issues with symptoms:
● Blank or black video
● Incorrect color, missing color, distorted image
● Flickering image
● Vertical lines (because of LDVS, decreased signal integrity, and data loss)
●
Dead pixel (because of display liquid, internal transistor, and others)
● Horizontal lines (because of video memory)
● Distorted when hot (because of thermal issue)
● Cracked screen/image (physical damage)
● Light leakage/bleeding
Contact support for assistance.
● Humming noise (due to frequency settings)
Contact support for assistance.
Table 7-28
Display anomaly illustrations
Display anomalies
Cracked screen
Cracked image
Blurred image
Dead pixel
Vertical lines
Horizontal lines
Quick check
Use these steps to check the display.
● Visually examine the display for cracked screen, liquid crystal leak, dirty spots on glass, and other issues.
● Reset and update BIOS and docking rmware.
Symptom
103
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