Previously posted a startup problem with my Tecra laptop. A friend finally got it to boot by basically twisting the base of it over the corner of a table. Will boot but randomly will lock up/freeze etc. Took it apart (luckily no parts leftover when done) and reseated all connectors. May be a cold solder joint but could not visually see any. Has anybody seen a similar problem ? Would appreciate a direction to follow. I do get the bunch of horizontal and vertical lines intermittently as well.
