LCD Screen Identification

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Does anyone know if there is a way to ID an LCD screen without opening
the screen casing and finding the part number?
I have access to another like model Toshiba Tecra 9100 that allows SXGA
+ resolution (1400x1050) while my unit only allows 1024x768. I have
verified it is a hardware issue by initializing another HDD in my
laptop with the recovery CD's, updating all the drivers, windows
updates.... The same new HHD can be installed in the other Laptop and
can be set to a screen resolution of 1400x1050 without panning/
scrolling the screen. When the HDD is installed back in my laptop the
desktop has to return to virtual mode (panning following the mouse
cursor) to see the entire desktop.
I would like to know if this is the LCD or some video hardware that
can be upgraded (I am guessing it is the LCD). I would like to know
the part number so I can actually purchase and have the part ready to
install before having to tear apart the laptop case.
Any help would be appreciated.

Re: LCD Screen Identification

paulm wrote:
Quoted text here. Click to load it

Typically, the mainboard for different screen resolutions had an 8-bit
dip switch that is used to set the screen resolution.  Also, typically,
the dip switch is the only one on the board.  So, to get the screen to
display in its native resolution, you need to set the dip switch to the
same as the originating mainboard's switch.

This will work as long as there have been no major changes in the
mainboard.  OTOH, it is your only option, AFIK.


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