Specifications
LED Cinema Display (24-inch) Symptom Charts — Display Issues 29
2010-02-08
Deep Dive: Distorted/Blurred Image
Unlikely cause: power supply, blower, subwoofer, speakers, camera, microphone
Check Result Action Code
Verify display’s Mini DisplayPort 1.
connector is plugged into
known-good system.
Yes Go to step 2.
No Connect Mini DisplayPort
cable to known-good system.
Reseat Mini DisplayPort cable at 2.
system and display logic board.
Determine if image corruption
issue was resolved.
Yes Loose cable. Issue resolved.
No Go to step 3.
Disconnect Mini DisplayPort 3.
cable from system and display
logic board. Inspect connectors
and cable under magnication
for pinched cables and
damaged/bent pins.
Yes
Replace all-in-one cable. X04
No
Replace LCD panel. L04
Deep Dive: Vertical/Horizontal Lines
Unlikely cause: logic board, power supply, blower, subwoofer, speakers, camera, microphone
Check Result Action Code
Verify display’s USB hub and 1.
built-in camera are listed in the
System Proler’s USB device
tree.
Yes Power supply and USB
communication OK.
Go to step 3.
No Go to step 2.
Unplug and replug the Mini 2.
DisplayPort connector into
a supported powered-up
portable system and monitor
the portable’s display. Verify
that the portable’s display
briey turns o then back on.
Yes Logic board OK.
Go to step 3.
No Go to step 3.
Verify all-in-one cable, and all 3.
connections between logic
board and LCD are secure.
Visually inspect cables and
connectors for any debris,
damage, or bent pins.
Yes
If connections are secure
and the display still does not
function correctly,
replace LCD panel.
L05
No
Connector/cable damage.
Go to Mechanical Physical
Damages symptom code
ow.










