Try turning the computer off, wait a few seconds, then turn it back on.
The characters on the screen are dim.
Adjust the brightness.
Bad dots appear on the display at all times.
A small number of missing, discolored, or bright dots on the screen are an intrinsic characteristic of TFT LCD technology. It is not regarded as a LCD defect. The Inspection Standard generally agreed in the LCD industry allows a maximum of 8 pixels on a unit.
Term definition:
Bright dots
Dark dots
Distance between defective dots
Adjacent defective dots
When the LCD screen is lighted, dots appear bright at a dark area. Red/green/blue bright dots also count.
When the LCD screen is lighted, dots appear black at bright areas.
The minimum distance between two defective dots.
Defective dots within a radius of 10 mm.
LCD Type | Defective dots | Distance between | Two adjacent | Three or more adjacent | Total | ||||
|
| defective dots | defective dots | defective dots | |||||
| Bright | Dark | Bright | Dark | Bright | Dark | Bright | Dark |
|
12.1" SVGA | N<5 | N<5 | <15mm | <15mm | <2 Pairs | <2 Pairs | Not allowed | Not allowed | N<8 |
13.3" XGA | N<5 | N<7 | <15mm | <15mm | <2 Pairs | <2 Pairs | Not allowed | Not allowed | N<9 |
14.1" XGA | N<5 | N<7 | <15mm | <15mm | <2 Pairs | <2 Pairs | Not allowed | Not allowed | N<9 |
15" XGA | N<8 | N<8 | <15mm | <15mm | <2 Pairs | <2 Pairs | Not allowed | Not allowed | N<10 |
18" XGA | N<9 | N<15 | <5mm | <20mm | <3 Pairs | <5 Pairs | Not allowed | Not allowed | N<20 |
Resolution cannot be adjusted to desired setting.
Make sure that the video driver is installed correctly.
The external monitor displays nothing.
Make sure that the monitor is turned on.
Make sure that the monitor’s signal cable is properly connected.
Check if the Setup item Display Mode on the Main menu of the SCU program is configured correctly.
Troubleshooting |
