acer 5742 very wired problem .

[mo000]

hi everyone
acer 5742 sometimes shows white screen sometimes black screen and after seconds the laptop starts screen test and color change red then green then blue , if i move the motherboard the screen becomes black

i change the lvds cable and screen nothing change .

[crowntoy99]

Re: acer 5742 very wired problem .

hi everyone
acer 5742 sometimes shows white screen sometimes black screen and after seconds the laptop starts screen test and color change red then green then blue , if i move the motherboard the screen becomes black

i change the lvds cable and screen nothing change .

i thing pch problem

[lapfix]

Re: acer 5742 very wired problem .

Test the LVDS connector if tehre's a short..test it with and without screen ( take cahrger/battery/bat cmos out )