help - laptop displays not working correctly

[silentphoenix]

Heya all,

I've got 2 laptop problems - both related to there displays.

1) Acer Travelmate 2350 - 14.1 XGA screen on Intel GME 82852 gfx controller

This screen is semi-works. Its fine except for the screen having a blueish hue. The problem is from initial boot so it is not a software broblem. This problem started about 2 months after I had upgraded the CPU from a Celeron M360 to a Centrino M750 (or M755 - can't remember which one I got!). I have replaced the LCD screen cable hoping the old one had worn out some how but this had no effect. It works perfectly fine on an external monitor.

2) Dell Latitude d630 - 12.1 WXGA screen on a Nvidia quadro nv135 (i think!)

This laptop no longer displays to the screen, even after a cable change. It was acting up a few months before with lots of dot crawl like issues which were fixed usually by moving the screen hinge about. A\Not there is no display on the LCD screen and the external display is really bad - the res looks low, looks like its working on 16 colours and has radom squares over the place (I'll try to get an image of it uploaded). This sounds like a dud graphics card and given that I have no electronic gear (to identify dead componants and replace them) it sounds like a mobo switch is the only way to sort this out.

Any input from you will be much appreciated - thanks!

 

[bees]

1. It's a LCD problem, more likely have to replace the screen. after replace the processor is only coincidence.

2. it's a graphic chip problem, need to reflow the graphic chip. just make sure after you reflow it, clean all the heat sink from dust.

 

[silentphoenix]

1. It's a LCD problem, more likely have to replace the screen. after replace the processor is only coincidence.

2. it's a graphic chip problem, need to reflow the graphic chip. just make sure after you reflow it, clean all the heat sink from dust.

Thanks for the reply. IF the first one is a screen problem I think it would leave it and cut my losses as a new screen would be more than what the laptops worth.

As for the second point, by 'reflow the graphics chip' would that mean take off the heatsink and re apply some thermal paste?