NotebookForums.com › Forums › Notebook Manufacturers › Toshiba Forums › Toshiba Notebooks › anyone have a toshiba 5105 'spare' geforce4 440 video card?
New Posts  All Forums:Forum Nav:

anyone have a toshiba 5105 'spare' geforce4 440 video card? - Page 10

post #181 of 328
1/16/06 at 1:55pm
The 5005 card does not work in the 5105.
Reply
Reply
post #182 of 328
1/17/06 at 3:41am
I wish it was the connector, it is actually a loose connection on the nvidia chip, the pressure that you're applying is affecting the bga chip as well, but it's 100% not the connector. I have worked on hundreds of 5105s and that is the problem. I have equipment to fix these, which requires replacing the bga nvidia chip, the only problem is getting the chips themselves. If anyone knows where I can get preballed nvidia chips, that will help, I may even offer a flat rate repair on the video cards if I can find the chips.
Reply
Reply
post #183 of 328
1/23/06 at 9:10pm
Quote:
Originally Posted by protosh
I wish it was the connector, it is actually a loose connection on the nvidia chip, the pressure that you're applying is affecting the bga chip as well, but it's 100% not the connector. I have worked on hundreds of 5105s and that is the problem. I have equipment to fix these, which requires replacing the bga nvidia chip, the only problem is getting the chips themselves. If anyone knows where I can get preballed nvidia chips, that will help, I may even offer a flat rate repair on the video cards if I can find the chips.
If it's the chip that's the problem, then why do new video cards go bad so quickly???
Reply
Reply
post #184 of 328
1/24/06 at 2:23am
they dont go bad quickly, I replaced many of them, 99% are working. There are no new cards, Toshiba stopped making them, many places sell cards that were poorly tested, that's why they fail.
Reply
Reply
post #185 of 328
1/24/06 at 2:32pm
I believe that the connections become loose when pressure on the keyboard or left palm rest flexes the top, straining marginal solder connections. The machine I am typing on right now (5105-s607) broke when a cat walked across it while it was on. I was able to get a remanufactured card in a toshiba box from a dealer who had one that he had gotten some time ago for a customer who didn't pick it up. If this one dies, I would first try to remelt the solder connections around the nvidia chip and the memory chips using a heat gun. When possible, I use an external keyboard to avoid strain. This is also not an everyday machine. I'm using it now because the mobo on my desktop died yesterday and I am waiting for a replacement.
Reply
Reply
post #186 of 328
1/27/06 at 7:04pm
Hey guys maybe you can help me. I just reloaded the operating system back on a 5105-s502 I think because the model number is faded due to the heat. The only thing I have a problem with now is the video, I am using the laptop now, but I have the video GeForce4 440 go disabled. Do these laptops use both onboard and a seperate card?

And the second thing is if I go to HWSetup it does nothing but tell me what version bios it has with a default button. I was thinking that I hit the default and it turned on the onboard video.

Reply
Reply
post #187 of 328
1/27/06 at 7:33pm
The only way to disable the video is thru the OS. It cannot be turned on/off via bios.
Reply
Reply
post #188 of 328
1/27/06 at 7:49pm
I already have the video card disabled. This seems the only way to use the machine. Is this do to a bad video card like people are talking?
Reply
Reply
post #189 of 328
1/27/06 at 8:40pm
probably
Reply
Reply
post #190 of 328
1/29/06 at 4:40pm
Quote:
Originally Posted by richk
I believe that the connections become loose when pressure on the keyboard or left palm rest flexes the top, straining marginal solder connections. The machine I am typing on right now (5105-s607) broke when a cat walked across it while it was on. I was able to get a remanufactured card in a toshiba box from a dealer who had one that he had gotten some time ago for a customer who didn't pick it up. If this one dies, I would first try to remelt the solder connections around the nvidia chip and the memory chips using a heat gun. When possible, I use an external keyboard to avoid strain. This is also not an everyday machine. I'm using it now because the mobo on my desktop died yesterday and I am waiting for a replacement.
Hello,

I´m from Germany, so first let me appologize for my propably bad english...

I just stumble over this thread by searching for another problem with a Sattelite 5100-503 (get into the BIOS) JUST after I´ve solved the problem
you discuss here: video artifacts and corruption....

A friend of mine owns this notebook, and asked me for help. I didn´t really know, what to do, so I had in mind it could have something to do with a bad cooling/heatsink/fan (but more likely a defektive GPU).
I disassembeled the notebook until I had the graphic board lying in front of me.
I used a heat gun and flux to resolder the nvidia-chip, also resoldered the connectors an RAM-Chips on the graphic board.

I didn´t have much hope, that the problems would disappear...
but they did :-)

Until yesterday the video artifacts and corruption appear right after XP started (and in DOS, too) ...now the notebook runs for hours by stressing CPU and GPU without any problems.
I hope, this posting may help someone in any way.

Regards

Brandon
Reply
Reply
post #191 of 328
1/29/06 at 11:17pm
Brandon, from my experience, the problem will come back. I have used high end BGA machine to reheat the chips, it worked for few hours, maybe days, but the problem has come back. Only after replacing the NVidia chip the problem was fixed. There are some people that seem to disagree with me here, but that is the problem, there are temporary fixes many have done, but only way I achieved a 100% fix is by replacing the NVidia chip. That is not saying that your fix will not work for sure, there are cases of the chip just having a loose connection from stress and reheating it will secure it. Good luck.
Reply
Reply
post #192 of 328
1/30/06 at 4:58am
Hi protosh,

I´ll report if there will be any problems. The owner of the notebook is a
"poweruser" :-), so, we´ll see very soon, wether I have fixed the problem.

I agree with you, that the best solution would have been using a new BGA (I also use a BGA-machine at work (Motorola) from time to time, but more I like the heat gun). I wonder, where you´ve got a new chip from?
Reply
Reply
post #193 of 328
2/6/06 at 11:54pm
http://cgi.ebay.com/ws/eBayISAPI.dll...MESE%3AIT&rd=1
Reply
Reply
post #194 of 328
2/8/06 at 1:53am
protosh, do you know by chance, if you will be selling any more chips in the near future?

I have two 5105-s502's that need to work, for school and business.
Reply
Reply
post #195 of 328
2/8/06 at 12:32pm
...and the Sattelite 5100-503 is still workin...and working...and working :-))


Regards
Brandon
Reply
Reply
post #196 of 328
2/10/06 at 9:44pm

Still Working Here

My 5105-S607 is still working after I replaced the video card (+6 months ago). I always run the "fan.exe" application on the "Always On" setting to keep the system fan on to prevent extra heat build up.

Many thanks to this board for all your help.
Reply
Reply
post #197 of 328
2/28/06 at 2:20pm
Hi there. I have 3 of those laptops i'm trying to fix for days now. I've noticed a good, but temp. improvement by re-heating the bga vram chips (?!?, tought it was the gpu..)

But it didn't last long. Like protosh said, not the connector AT ALL, i redid both video card and mobo connector 1 pin at a time to isolate the problem.

Protosh, are you sure it's not just cold solder joints under the bga gpu ? When you replace it, you just don't get a gpu installed the good way, for the first time on the card ?

I have a simple SMD rework station here, and i'm kinda scared about applying that much heat to the chip - feared of killing it. Could i use some liquid flux, and let some run under the chip before heating, to improve the hot air repair ?

I'm kinda hopeful they can be fixed without replacing the gpu.. I guess they're next to impossible to find..

Thanks, cheebster.
Reply
Reply
post #198 of 328
2/28/06 at 5:50pm
Um... Just opened ANOTHER 5105 with that video problem.

How could, remove the card, reheat the 2 vram chips under the video card, put it back in, get the card back to life ?

I dunno how long it will work again BUT, why if it's the gpu, is the card working now, without touching the GPU ?

I'm clueless here. Thanks for this great thread anyway.
Reply
Reply
post #199 of 328
3/1/06 at 3:43am
I sold few of these on ebay recently, I got 280.00 for the 64MB card. I use a very expansive Hakko BGA rework machine to reheat/replace the chips. In 5105 case, reheat does not work, although it helps and sometimes eliminates the problem temporarily.
Reply
Reply
post #200 of 328
3/1/06 at 7:15pm
As far as i'm concerned, 300$ USD for a such card is a ripoff. I would like to know about that guy here who did the job months ago.. if the problem came back, or not.

If the problem goes away while reheating the bga ram chips , then how is it related to the gpu at all ?

Um...
Reply
Reply
New Posts  All Forums:Forum Nav:
  Return Home
  Back to Forum: Toshiba Notebooks
NotebookForums.com › Forums › Notebook Manufacturers › Toshiba Forums › Toshiba Notebooks › anyone have a toshiba 5105 'spare' geforce4 440 video card?