Perform a touch screen diagnostic test in HP Hardware Diagnostics

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Perform a touch screen diagnostic test in HP Hardware Diagnostics Use the HP PC Hardware Diagnostics tests to detect problems with the touch screen hardware. Plug the AC adapter into the computer. Press the Power button for at least five seconds to turn off the computer. Turn on the computer and immediately press Esc repeatedly, about once every second. When the menu appears, press the F2 key. When the HP PC Hardware Diagnostics screen displays, click Component Tests. Any help will be greatly appreciated. Thanks. please take a look: thank you! http://www.amazon.com/Computercares-Laptop-Repair-Workbook-

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