Dell Latitude ATG D630 laptop DIsplay problem

Dell Dell latitude atg d630 notebook com...
May 21, 2010 at 08:46:07
Specs: Windows XP, core 2 duo, 1.5 gb ram
Hi, my Dell latitude d630, used to give me
problems from quite some time, the display
used to flicker, the text would be up and
down, i have an Nvidia graphics card in it, so i
would just restart my computer, it would work
fine sometimes, other times, i would have to
boot it from onboard video card, also at times, i
used to keeo it turned off for sometime, and
then it would work. then a month back, i
started getting the BSOD message saying an
error in NV4_disp.. i would follow the same
solutions i just mentioned. But then yesterday,
suddenly my computer froze, and when i
restarted it booted with a white screen.. Now i
dont know what to do.. pls suggest

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#1
May 21, 2010 at 09:15:09
The NV4_disp error message generally indicates a problem with the video drivers. Did you uninstall them & replace them with a newer nvidia version?

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#2
May 22, 2010 at 13:09:32
Thanku very much for the reply.. Yes i did install the latest
drivers sometime back, but it would still have problems, so
then i uninstalled it, and installed the drivers from the CD i had
got with this laptop and for sometime may be 2-3 weeks it
worked as if the problem was solved, and then again, the
same problem of flicker and irregular text, lines on the screen
started..
I referred to a few forums and have done this till now..
1. I connected a monitor from the laptop and everything
seems to work fine..
2. suspecting loose connection I opened up the laptop,
disconnected the LCD wire and reconnected it, but still same
problem...
looking at the documentation of my laptop on Dell's website i
was able to locate everything except the graphic card..
Also i think my fan i had stopped working (i couldnt here the
sound of fan ) due to a lot of dust which i removed yesterday,
and it seems its working now...

Is there anything else i can do, to narrow down the problem...
Please do reply, i desperately need this to work.. thanks


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#3
August 2, 2010 at 00:21:09
- Hi khuzi, well first of all we need to confirm if its an hardware or software problem.
- so here is what i want you to do
- Backup all your data and reinstall the operating system, if it works then its confirmed that it was the software problem but if incase its not resolved then its a hardware problem. then probably ull have have to replce the hardware

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#4
August 2, 2010 at 00:38:35
Hi Dynak,
Thankyou so very much for the reply...
After i posted on this forum, i realised i had extended warranty of 3 yrs on the laptop, so i called DELL and they promptly helped... A technician came to my place and replaced the LCD and the motherboard..
He said that, the nvidia card had moisture on it meaning may be i had spilled something on it, because of which i had lines on the display and the wire connecting the LCD to motherboard had gone bad, but he replaced the entire LCD..
It was definately a hardware problem, which is solved..
Thankyou very much to all those who replied, thanks computing.net, being in IT Support we need forums like these, with genuine helpful people...

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#5
October 4, 2010 at 12:54:55
This issues sounds like the Nvidia graphics issue. If your system is within one year after warranty expires, Dell has a program to replace the motherboard. Please call them and have them troubleshoot, if it is the issues with the graphics chip, a tech will be dispatched and replace the motherboard.

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#6
December 1, 2010 at 11:36:05
I was running on my Latitude D630 that I've had for a couple of years just fine until...

a few weeks ago I allowed WinBLOWs (XP Pro, SP3) to do an update. (I have my system set so that it notifies, but doesn't automatically update because when I'm running some heavy scientific program I can't afford for it to slow down... I update later.) Anyway, after I allowed the update, BSOD. It started with the NMI parity error, system halt, but quickly progressed to the nv4_disp error. The screen, which has always been flawless, started to display crap as well... After putting up with this and trying to debug it for a couple of weeks, I ended up going back about 3 weeks to a known good restore point (not just known good to windows, but also to a time when I knew it was running correctly). I backed out all of the updates after that and... been running perfectly for days now. I don't think this is a hardware problem (at least not for me). It strongly appears to be some incompetent moron at MS that has released bad code that corrupts something. All of my programs were working fine, then the only change was allowing the MS Win-XP updates, then nothing worked at all (for more that a little bit of time), then backed out the updates, now everything works fine. The only difference is the Win-XP updates. I'm ready to jump the MS ship and go to linux.


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