COMPAQ CQ58 white screen issue

[String2016]

I have this compaq cq58 laptop 6050A2498701 MB-02 ,already tried replaced the screen with a working one but still the same issue. I noticed on the U9843 5pin chip PIN5 IN=3.3v PIN3 EN=3.3V but PIN1 OUT = 0V. anyone can help on this please

[String2016]

Re: COMPAQ CQ58 white screen issue

here is the schematic

[mcplslg123]

Re: COMPAQ CQ58 white screen issue

Remove the chip, turn mb on and check voltage on all pins of U9843

[String2016]

Re: COMPAQ CQ58 white screen issue

@mcplslg123 thanks for the response.I removed the chip and measure all pins only pin4=3.3v the rest of the pins are 0v

[lapfix]

Re: COMPAQ CQ58 white screen issue

Just make a jumper/wire between pin 5 ( in) and pin 1 ( out). if you you have picture than change U9843

[String2016]

Re: COMPAQ CQ58 white screen issue

at lapfix thank you its working @mcplsg123 thank you also