Acer Extensa 4420 white horizontal lines on display The Notebook forum suggesting I hook up an external monitor and see if the problem persists....
Pete, thanks for your help. I went to the forum as you suggested.
I need to retrack my previous statement: when I leave the laptop screen open and come back to it the display re-appears with a ton of white...
I contacted Acer and they told me my warranty expired February 2010. They won't say anything more.
If I leave the laptop screen up it I do not get the white horizontal lines across the display. If I press Fn + F4 I DO get the horizontal white...
which key puts the laptop in sleep mode?
No, still no change
Sleep mode when lid is closed. I keep getting a message that the "Catalyst Control Host" has stopped working. I cannot access the control host...
white horizontal lines on screen display I have already downloaded it, twice! The download is not just a driver it is the catalyist control...
I have an Acer Extensa 4420-5910 with ATI Radeon X1250 graphics card. Installed Windows 7 Ultimate 64 bit from Vista and every time I close the...
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