Sony PCG-K23 backlight problem

By Carloscycle
Jul 14, 2007
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  1. I have a Sony PCG-K23 Laptop with a strange backlight problem. The screen backlight goes off as soon as the Windows XP Logo comes up on the screen. I tried a different screen and inverter but still the same problem. I thought the problem was in Windows and booted from a CD that had the Windows XP OS on the CD and got exactly the same problem.

    I am in the process of looking for a BIOS update for the Video chipset. It has an ATI Radeon IGP 345M video built on the mainboard. I will be checking the ATI Website to see if I can find anything. Any suggestions or comments are appreciated.

    Thanks
  2. lamo

    lamo Newcomer, in training Posts: 570

    try to change the multiple monitors configuration in display control applet. instead (multiple monitors) on "video chipset" set the Default monitor on "video chipset"
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