Dell Latitiude D630 Bluetooth issues

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  • ratdude747
    Black Sheep
    • Nov 2008
    • 17136
    • USA
    #1

    Dell Latitiude D630 Bluetooth issues

    The bluetooth (dell truemobile 360) in my Dell Latitude D630 started acting flaskey a few weeks ago and last week it entirely went out. The system was also very unstable (BSODs and the like) until I removed the bluetooth module.

    I ordered a replacement module, plugged it in, and no change.

    The bluetooth LED lights but lsusb in linux doesn't show it at all.

    I already checked the palmrest header (which include the bluetooth cable)... it's plugged in and seated

    I'd hate to think it's a BGA issue... but I would like to eventually be able to have bluetooth in it again.

    Any suggestions?
    sigpic

    (Insert witty quote here)
    Tags: None
    • smason
      Badcaps Legend
      • Feb 2010
      • 1652
      • Canada
      #2
      Re: Dell Latitiude D630 Bluetooth issues

      Driver issue?
      36 Monitors, 3 TVs, 4 Laptops, 1 motherboard, 1 Printer, 1 iMac, 2 hard drive docks and one IP Phone repaired so far....

        Comment

        • ratdude747
          Black Sheep
          • Nov 2008
          • 17136
          • USA
          #3
          Re: Dell Latitiude D630 Bluetooth issues

          Originally posted by smason
          Driver issue?
          not likely, since lsusb doesn't require drivers to see things. Not to mention the bluetooth module is a no show under all 3 OS's on the laptop (Ubuntu 12.10 x64, Win 7 x64, Win Xp x32).
          sigpic

          (Insert witty quote here)

            Comment

            • spidey
              climbs
              • Dec 2012
              • 644
              • Cyprus
              #4
              Re: Dell Latitiude D630 Bluetooth issues

              check if there is +3.3v, also check resistors and capasitors. if cant find any problem then reflow ich8-m. goodluck...
              Attached Files

                Comment

                • ratdude747
                  Black Sheep
                  • Nov 2008
                  • 17136
                  • USA
                  #5
                  Re: Dell Latitiude D630 Bluetooth issues

                  I heard from a buddy who works with the D620/D630 that the palmrest cables are suspect; he's had them mysteriosly fail causing touchpad failures (none of them had Bluetooth modules though). I had been wanting to upgrade it to a toughpad with a fingerprint reader, so I bought a used replacement palmrest with a good cable and fingerprint reader (also had the BT module still installed ironically)... for a measly price of $16 shipped, I figure it's worth a try. If that fails, I'll have to wait until the semester ends until I have a chance to open it up and do further diagnosing.
                  sigpic

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                    • fddizon
                      Badcaps Veteran
                      • Sep 2011
                      • 555
                      • Philippines
                      #6
                      Re: Dell Latitiude D630 Bluetooth issues

                      see the schematic. determine the whole circuit that will make the bt to work properly.
                      from there you will know where to start. BT is a usb device... find the chip responsible, does it work? BT has a supply of 3.3v, find the supply chip, does it give the right voltage when switched on? atc....

                        Comment

                        • ratdude747
                          Black Sheep
                          • Nov 2008
                          • 17136
                          • USA
                          #7
                          Re: Dell Latitiude D630 Bluetooth issues

                          Changed the palmrest, no change.

                          I'll have to troubleshoot it when I have time... it's my main school laptop and it's almost always in use.
                          sigpic

                          (Insert witty quote here)

                            Comment

                            • ratdude747
                              Black Sheep
                              • Nov 2008
                              • 17136
                              • USA
                              #8
                              Re: Dell Latitiude D630 Bluetooth issues

                              Never mind... After juggling truemobile 360 modules, I got one to show up and work.

                              Now finding a fingerprint suite with x64 support... not so easy (all i got was a driver).
                              sigpic

                              (Insert witty quote here)

                                Comment

                                • ratdude747
                                  Black Sheep
                                  • Nov 2008
                                  • 17136
                                  • USA
                                  #9
                                  Re: Dell Latitiude D630 Bluetooth issues

                                  Originally posted by ratdude747
                                  ow finding a fingerprint suite with x64 support... not so easy (all i got was a driver).
                                  Fixed. I tried a copy of Digital persona (what HP uses) and it saw and worked with my touchstrip just fine.
                                  sigpic

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