Keyboard and CAT6 Problem

These are not major issues, but still are more important than annoyances.
Keyboard: When I try remapping my keys in Max Payne 2, it always says F19. That is to say, when I go to enter in a key for an action, regaurdless of what I push, F19 is what comes up. What I know so far, is this doesn't seem to be from any key. If I double click whatever function so that it is ready to accept commands, if I push no button and simply wait, F19 is accepted as the key function. No key on my keyboard is stuck in the down position. The best way I can describe this is that there is a "virtual" button being pushed every 2 seconds. Curiously, this does not happen in other games, such as CS. Although Valve games do inhibit superior coding. I thought this was a Max Payne 2 error, however the same thing now happens in Max Payne 1. Something has gone awry, of course, but I do not use this PC for teh intrawebs; virii and spyware are out. The only dubious installation I've made is gamespy - for the Battlestations: Midway Demo - although I quickly had second thoughts and removed it. The gamespy, I mean. I tried various Googles, but alas, none were to bear fruit on the subject (of F19 and.or Max Payne 1/2).
CAT6 Cable: Quite simply, the physical, little tab that keeps the jack physically connected in the port broke off awhile ago. I bought some replacement jacks, as I've heard people make their own cable, but I never got around to doing anything with it. I have to grab the cable if I want to move my laptop around lest the cable fall away. Can I replace the jack? Most things I've found on the interwebs don't seem to quite address my issue.
Keyboard: When I try remapping my keys in Max Payne 2, it always says F19. That is to say, when I go to enter in a key for an action, regaurdless of what I push, F19 is what comes up. What I know so far, is this doesn't seem to be from any key. If I double click whatever function so that it is ready to accept commands, if I push no button and simply wait, F19 is accepted as the key function. No key on my keyboard is stuck in the down position. The best way I can describe this is that there is a "virtual" button being pushed every 2 seconds. Curiously, this does not happen in other games, such as CS. Although Valve games do inhibit superior coding. I thought this was a Max Payne 2 error, however the same thing now happens in Max Payne 1. Something has gone awry, of course, but I do not use this PC for teh intrawebs; virii and spyware are out. The only dubious installation I've made is gamespy - for the Battlestations: Midway Demo - although I quickly had second thoughts and removed it. The gamespy, I mean. I tried various Googles, but alas, none were to bear fruit on the subject (of F19 and.or Max Payne 1/2).
CAT6 Cable: Quite simply, the physical, little tab that keeps the jack physically connected in the port broke off awhile ago. I bought some replacement jacks, as I've heard people make their own cable, but I never got around to doing anything with it. I have to grab the cable if I want to move my laptop around lest the cable fall away. Can I replace the jack? Most things I've found on the interwebs don't seem to quite address my issue.
