Troubleshooting No image or text on screen

[bluestone]

I have asus n61jv and hp pavilion g6 all intel processors, the problem I have with them is that, computer works perfectly but there is no image or text on screen. I have checked 3.3v to Lcd and its ok, I get a grey display. can anyone point to me to some things I should check. I have already changed display cable and screen but no results.

[jiroy]

Re: Troubleshooting No image or text on screen

First step always , is to try an external monitor , and the second is to acquire the original display cable , as we see many fake or chinese crap forgery .
Third step is to check visually around the display cable inlet on board , searching for a burnt transistor or resistance (in case you don't have the schematics ) , or take the necessary measurements if you have them .

Some Laptops also do have specific screen requirements like HD , WXGA , Etc , etc , and standard replacement screens simply won't fit , so better acquire the original .

[bluestone]

Re: Troubleshooting No image or text on screen

First step always , is to try an external monitor , and the second is to acquire the original display cable , as we see many fake or chinese crap forgery .
Third step is to check visually around the display cable inlet on board , searching for a burnt transistor or resistance (in case you don't have the schematics ) , or take the necessary measurements if you have them .

Some Laptops also do have specific screen requirements like HD , WXGA , Etc , etc , and standard replacement screens simply won't fit , so better acquire the original .

Thanks but I have already tried all the above