Hi, today I suddenly found that when I turned on my Asus netbook, no matter which OS (it's dual boot Windows 7 and Ubuntu 11.10) I boot into, the screen just suddenly goes to white noise either within a minute of logging in (Ubuntu gets maybe 2 minutes), or as early as at the black Windows boot up flag logo screen. Then the only option is to do a hard power off. I tried taking out the battery, unplugging the power, waiting for a few minutes, then turning it back on, and same thing happens. I don't know what to do anymore. Seems like a hardware issue, but which piece of hardware, and what do I do to fix it? This is a pretty new ASUS netbook bought November 2011. Intel Atom N570 dual core, 1 GB RAM. Dual boot Windows 7 + Ubuntu 11.10.
Could be a problem with the flat cable (the connection from video to motherboard) but since your screen starts to fail after a little time could be a problem with the integrated Intel GPU too.
If your model has the second GPU (Like Nvidia Ion) try to disable it and see what happen.
A good test is to turn on you netbook and leave it on Bios settings page to see if the issue is software related or not.
Another test is to hook an external monitor (if you have a VGA or HDMI port available) and see if the GPU is ok.
If the problem is the flat cable you can try to replace it but if you have a faulty GPU and you are out of warranty you need th replace the entire motherboard because normally GPU is part of the chipset and can't be replaced.
SOURCE: Horizontal white lines on screen on ASUS netbbok
This is symptomatic of battery problems at a vague guess
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