Having problems with your Dell Inspiron 640m Notebook ?

Headphone jack doesnt always work

\015 Strange issue here. I bought the laptop with XP but when Vista came out I wanted to check it out so I installed it on the laptop. After realizing it was horrible I switched back to XP. So for about the past 2 years my headphone jack has been acting really funky. 90% of the time if my headphones are plugged in BEFORE I boot they will work, but if I unplug them and put them back they wont work. 100% of the time if they are not plugged in before I boot they wont work. I installed all the drivers for XP from Dell's website after reinstalling. Im not sure what else i might be missing.\015

Answers :

It appears that dell has actually issued an updated driver, but not linked it to the downloads for that model, see here (R173209)\015\012
\015\012If these do not work, IDT is the company that bought out SigmaTel, and you can find similar references by searching both SigmaTel 92xx and IDT 92xx.
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