Compaq 12XL310 Presario 1200 Series Models XL101-XL113, XL115, XL118-XL127 - M - Page 66
Fn+F3, Solving Display Problems, Problem, Probable Cause, Solutions, with Fn+F7 or Fn+F8.
UPC - 720591578398
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Presario 1200 Series Models: XL101-XL113, XL115, XL118-XL127 Problem Display is blank and the Suspend icon is flashing. Internal display is blank and the screen on an external monitor displays information. Internal display flashes or has garbled characters when notebook is connected to external monitor. The light tubes on the edge of the display panel do no light up at all and the Power-On Self-Test (POST) completes when the unit is powered up.** The light tubes on the edge of the display panel do not light up at all and Power-On Self-Test (POST) does not complete when the unit is powered up.** Backlight (brightness) cannot be adjusted with Fn+F7 or Fn+F8. Solving Display Problems Probable Cause Solution(s) Display has overheated. If the notebook is in direct sunlight, move it and allow it to cool off. System is in Suspend mode. Press any key or touch the TouchPad. Display function was switched Use Fn+F3 to switch between to the external monitor. LCD or CRT. Using 1024 x 768 or higher resolution on external monitor and have toggled back to internal display, which supports up to 800 x 600. Improper backlight or display cable connections Restart the notebook. Replace the display assembly. Defective inverter board. Defective display cable. Defective display panel. Defective system board. Defective system board. Replace the display assembly. Replace the display assembly. Replace the display assembly. Replace the system board. Replace the system board. Improper display cable connections. 1. Reseat the display cable to the system board. 2. Replace the display assembly. 24 TROUBLESHOOTING PRESARIO NOTEBOOK MAINTENANCE AND SERVICE GUIDE 1200XL SERIES