burner 2x working now :)

[EVOEvo]

i did a pc formatt and now my tobishia dvd burner seems to be burning at 2x with no problems all the backups work good now i dont know what the problem was maybe some bad software but i been buring at 2x and every thing seems to work fine now and also one other problem i have when i do a reformatt i can up my cpu speed in the bois its a 1.37 gig cpu but when u put it to 1.3 windows will not install on it from disk it just locks up so i lower back to 1.1 gig then it works i also tryed change aftr windows installed but it makes a error and wont let it load i dont understaned why its doing this it work fine about a month ago it just started the last 2 formatts i did any here know what could be causeing this