[ltp] vertical lines error on the lcd screen

James Knott linux-thinkpad@linux-thinkpad.org
Tue, 03 Apr 2007 09:54:56 -0400


Oisin Feeley wrote:
> On 4/3/07, Bill Andrus <languru@us.ibm.com> wrote:
>>  > (vertical lines, console mode text garbled...)
>>
>> Your System Board has failed.  The ATI display chips are on a PCB 
>> carrier
>> that is soldered into the main PCB, and (usually due to flexing or 
>> pressure
>> around the spacebar and trackpoint buttons) the internal soldering has
>> broken.  Problem in its earliest stages will be temperature and pressure
>> sensitive, later it will become more pronounced with system 
>> freeze-ups and
>> reboots.
>
> I've heard people talk about sending the board to have the solder
> "re-fluxed" to correct this problem.  Do you have any idea if this is
> really possible?
>

"Re-fluxing" wouldn't do much, as flux is only used during soldering.  
Howver, problems can often be resolved by resoldering intermittent 
connections.


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