usacvlr
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As I have said before. Every laptop has 10 basic screw categories and nearly every model has only those 10. You can figure out the 10 categories yourself...The pill box guy above is going in the right direction. There was a Dell guy on here once that spilled the beans on the basic method which is nearly the one we use as well. I figured out the factory method after about 20 systems and defined the 10 categories after about 40 or 50. The only systems that don't fit the standard very well are IBM/Lenovo followed by Sony to some degree and then Fujitsu. Acer, Toshiba, Gateway, Emachines, Dell, MSI, Asus, Hp and Compaq, etc all use the same assembly style, the same screw lengths in the same places etc. Once you define the 10 categories you will realize how much faster it makes disassembly and reassembly. It's night and day. You will also find some laptops which simply use the same length for nearly the entire system which negates the requirement of categorizing the majority of the ones you remove. Categorizing also prevents you from leaving out a screw. Experience is the best tool of course. By about number 50 to 100 it should become like a fisherman filleting a fish. I was doing them faster and faster to see how quickly I could do it. If I rush I can do a total jack repair in about 10 minutes assuming an HP or Compaq. Normally it takes about 30 minutes.
I will sometimes see a system that has been worked on by someone else before and there are usually several things they do wrong usually in soldering the new jacks on in the case of some HP models and most older Toshibas or they put long screws in a short screw hole. Some common sense goes a long way. I put in my fair share of longs in short holes when I started. There's a secret to getting rid of the white dimples too ;P
I will sometimes see a system that has been worked on by someone else before and there are usually several things they do wrong usually in soldering the new jacks on in the case of some HP models and most older Toshibas or they put long screws in a short screw hole. Some common sense goes a long way. I put in my fair share of longs in short holes when I started. There's a secret to getting rid of the white dimples too ;P