Question about HP Compaq NC6400 Business Notebook

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No display Hi i have a hp nc6400 with the 128 ati board and one day it was working then just went of comletely stumped. Everytime on boot up no display have checked most parts CPU, memory all fine as i have another machine. Even the screen works do i need a complete new board or is there a wayto repair the original one thanxs in advance.

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  • brogandbrit Dec 12, 2008

    Yes have checked all that prior to posting have now found out it is indeed the board. There is a chip underneath the processor that appears to have fried not sure if it has shorted on the casing mmmm.

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Basic diagnostics when you experience display problems

Display is black?
Does the external vga output works?
Yes >> only your display assembly is defect
No >> your mainboard is defect

Mostly it results in the replacement of the complete mainboard.
Last things you can trie is flash a new bios version using the the external output if that works.

Posted on Dec 12, 2008

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