Question about HP TouchSmart tx2z

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Touchsmart tx2z Screen Flickers and Freezes

I am having problems with my HP Touchsmart tx2z laptop. When the power cord is plugged in, the screen will flicker random black horizontal lines of various sizes across the screen. The computer will work but it slows and freezes often, and finally the entire screen will go black after I've been on for awhile. It'll appear to still be running, but the screen goes black. It's hard to tell sometimes if it has crashed or if it's still running, because sometimes if I wait long enough the screen will come back, and other times it never does. It only seems to do this when the power cord is plugged in. I recently had to replace the original HP cord because it frayed, but it still seems to do this even with a new (generic) cord.

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It seems the touch part is off center because when i touch the screen it reacts one finger over

Posted on Aug 28, 2010

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By the sound of it you have a BIOS problem. This can happen with a bad flash of the bios HP automatically updates the system if you have not shut off that feature. You may have recieved a bad update. It may also be youre power supply. Check to see if your power supply has the full voltage if you have a Voltmeter. Try reflashing the Bios if you can and make sure to check the "clear nv ram" feature if available during the flash process.
Hope this helps... Dale

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