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July 14th, 2006 00:00

Latitude CPx J internal modem?

I downloaded the Service manual for my "new" Latitude and it mentions an internal modem, apparently as an option?, but it doesn't say right out. This would be a lot better than a card, given that they are available in the 56K size. Are these things available at all, and for what price? Also, it looks like my fan just died and the manual seems to indicate it's fairly easy to replace. The pictures show a white substance on the part that touches the chip; is there any problem removing the old one? Does that white stuff stick, or is it as easy as it looks? Thanks.

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47K Posts

July 15th, 2006 21:00

The thermal interface pad will seperate more easily if you remove when its a bit warm. Use a sharp knife to carefully remove if it seems to be sticking. The modem from the inspiron 3800 is exactly the same. 

 http://www.impactcomputers.com/9225u.html

http://www.impactcomputers.com/40eun.html

 

 

Message Edited by SpeedStep on 07-15-200606:57 PM

4.2K Posts

July 15th, 2006 21:00

Hi,

The internal modem was rare, and also fitted to the Inspiron 3800. The fan can be easy to change, but sometimes the screws are very tight, and you cant get straight to them. It may mean taking off the back metal-work. The thermal coupling pad may come to bits when you remove the heatsink, but will normally stay where it should. Have a good look at where the cables to the fan fit before you start.

                                                                       Regards Chris

July 16th, 2006 00:00

Thanks, Chris and Speedstep. It occurred to me to wonder about the cable for the modem. It didn't say anything about it at those two sites you gave. Do they assume you have the cable since you are smart enough to know the modem exists? Or is there one attached to the MB just in case a modem shows up?

Back to the fan, is there a way to test the fan to be sure that's the problem? I've only had this thing for two or three weeks so I don't know when it should turn on if it is ok. When I first fired it up I heard a wavering grinding sound, like it might be chattering, like it needed to be oiled. I thought it was the HD at first, but the noise wasn't coming from where the HD is. I didn't know to look for the fan until after the noise wasn't there anymore. Then I could hear the normal sound of the HD. I can stick a toothpick through the slots and turn the fan blades, so it isn't frozen up.

4.2K Posts

July 16th, 2006 08:00

Hi,

The fan can be tested with the Diags, and the modem fits on the motherboard, and has a socket for the phone line on it. There is a blank on the RHS you remove.

                                                                 Regards Chris

4.2K Posts

July 16th, 2006 18:00

Hi,

F12 uses a hidden partitian you may not have. You can boot using the resource CD, or download them from the web-site. They run under DOS, and you can make a CD, or they make a set of 5 floppy disk's. [ bootable ]

                                                                        Regards Chris

July 16th, 2006 18:00

Hoo boy. Ok, I'm going to show my ignorance again. I've looked all over trying to find the Diags. One place said it was on F12, but nothing happened there. Next clue, please. Thanks for the help.

4.2K Posts

July 16th, 2006 19:00

Hi,

Did you go to the download site for your model ? File 1109 should work if you can find it.

                                                                      Regards Chris

4.2K Posts

July 16th, 2006 19:00

Hi,

1109 was a diag that worked on a lot of models, 1102 less. Use the one that they say however.

                                                                    Regards Chris

July 16th, 2006 19:00

I finally found some diagnostics for my model but none of them are 1109. They have 1039, 1102 and another one I don't remember but it isn't 1109. All three say they work for my machine so I'll try them one at a time and see what happens. Thanks.

Yes, I went to Downloads and entered my model.

Message Edited by Barney Five on 07-16-200603:27 PM

July 16th, 2006 19:00

Ok, I got this thing off eBay, no Resources CD. I searched for Dell Diagnostics on the Dell site and got 755 hits. Thinking to narrow it down a bit I selected Articles and Solutions. Got 3820 hits there. It looks like there are a jillion versions of Diags, I presume for difference models. Any ideas about how to find the one for a Latitude CPx J? Thanks.

July 16th, 2006 23:00

Well-l-l..... It's been too long since I worked command-line. I see now why people are willing to pay some techy $75 to do this job. I got my diag document copied onto the win98 desktop and it doesn't work from there and from there I'm lost. If I had the $75 I'd just take it in and pay it. I think I need a good night's sleep. Thanks for your time.

Why in the world don't they make stuff people can use?

Message Edited by Barney Five on 07-16-200607:57 PM

4.2K Posts

July 17th, 2006 00:00

Hi,

Check the Diags you are using, most dont run from the desktop, you boot them and run under DOS. The I8KFangui will let you change fan settings, so you may be able to test it with that.

                                                                     Regards Chris

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