HP 17XL274, 17XL266, 17XL265, 17XL264, 17XL261 manual Presario 1700 Series

Presario 1700 Series

Models: XL260, XL261, XL262, XL264, XL265, XL266, XL274, XL275, XL360, XL361, XL362, XL363, XL364, XL365, XL366, XL367, XL368, XL369, XL370, XL371, XL372, XL373, XL374, XL375, XL376, XL377, and XL378

Solving Display Problems (Continued)

Problem Probable Cause Solution(s)

The display panel has a continuous pattern across it (e.g., “jailbars” pattern), has a single color on it, or has garbled graphics across the entire panel. This failure is for patterns across the entire panel (not just on one section).

A single line, small group of lines, or block appears on the display panel. This failure occurs in only a section of the display panel.

Improper display cable connections

Defective display cable.

Defective inverter board.

Defective system board.

Defective display panel.

Reseat the display cable to the following until the problem is solved:

1.System board

2.Display assembly

Replace the display assembly.

Replace the display assembly.

Replace the system board.

Replace the display assembly.

Note: When you perform a "self-test" on an external VGA color or monochrome monitor, the screen should be white. A narrow black border may also appear on the left and right sides of the display. Either of these displays indicates that the monitor is working properly.