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Sapphire 6850 - Transistor fall?

post #1 of 24
Thread Starter 
Well. I was surfing on tha web when my PC hard reseted.

I tried to turn it on again but it couldn't pass BIOS... it stoped when reading SATA.

when i open my case to check cables and memos, i took one of my VGA OFF and i heard a sound of metal hiting my mobo...

For my surprise, one "transistor" (i don't know the name) was sitting there.

Photos:








So, i went to the shop who sold me that VGA and they said i can't get warranty cuz this kind of problem is Phyisical Related.

Now i'm sitting here with a dead vga, and searching a place who does SMD solding.

Questions:

Can i run it with that thing off?
If i find a place that can sold, it's 100% it's going to work again?
Was it responsable for that hard crash? (my OC is stable for 4 months now, 24hrs/prime)


another thing that happen together was my HD. When i removed VGA i left the other one, and turned my pc on... and guess what!?!!?

windows wasn't botting... i'v installed windows on another HD and i'm fixing my HD via windows soft...(init repair wasn't working)



Thanks, and feel free to ask anything.

Rep+ for those who helps
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post #2 of 24
I don't think it will work without that.

you can solder this yourself you know. Pick up a soldering iron for $10, some PURE SILVER soldering wire for around $6-8.

use a static wrist strap to ground yourself of course, and use metal (tin) ducting tape to tape off the surrounding area. Have a friend hold it in place with some tweezers and dilligently solder it back into place.

You just did this for $16-20 versus someone else for $80/hr!
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post #3 of 24
Thread Starter 
Quote:
Originally Posted by Techprimus View Post
I don't think it will work without that.

you can solder this yourself you know. Pick up a soldering iron for $10, some PURE SILVER soldering wire for around $6-8.

use a static wrist strap to ground yourself of course, and use metal (tin) ducting tape to tape off the surrounding area. Have a friend hold it in place with some tweezers and dilligently solder it back into place.

You just did this for $16-20 versus someone else for $80/hr!
Ouch, i don't have "contact" with this type of eletronics...

i'm ask for a friend who might know...



keep posting guys.
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post #4 of 24
Quote:
Originally Posted by Carlos Hilgert Ferrari View Post
Ouch, i don't have "contact" with this type of eletronics...

i'm ask for a friend who might know...



keep posting guys.
Seriously man, if you have steady hands and a bit of confidence, you can do this yourself.

Gotta get your feet wet sometime...
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post #5 of 24
Well Techprimus is pretty much right, you can either do it yourself for a few bucks or pay somebody so much that you could just put it towards a new VGA.
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post #6 of 24
just pick up a 15-20W iron... and some cheap rosin-core solder... use a little playdough, or sillyputty to hold the SMD cap on the PCB while you solder 1x end.

*that is a capacitor for memory voltage..most likely without it, the remaining mem IC's do not have power.
post #7 of 24
That's an SMD capacitor and it might not be critical to the operation of the card. It could be used to filter line noise, as a reservoir for current spikes, for signal coupling and other things.

Given the location and the fact that there are two vias for each lead of that capacitor I would guess that it has a power application for one of your RAM chips. You might be fine without it although its absence could hurt the OC ability of your graphics RAM.

Although not likely, don't hold me liable if you try it and something burns...

Edit: Capacitors do not pass DC so its absence won't prevent power delivery. Most likely one end is connected to a DC power delivery line and the other to ground to smooth the DC current.
Edited by AMD20x6 - 8/5/11 at 7:49am
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post #8 of 24
Quote:
Originally Posted by AMD20x6 View Post
Edit: Capacitors do not pass DC so its absence won't prevent power delivery. Most likely one end is connected to a DC power delivery line and the other to ground to smooth the DC current.
Thats just absurd..
post #9 of 24
Quote:
Originally Posted by CL3P20 View Post
just pick up a 15-20W iron... and some cheap rosin-core solder... use a little playdough, or sillyputty to hold the SMD cap on the PCB while you solder 1x end.

*that is a capacitor for memory voltage..most likely without it, the remaining mem IC's do not have power.
Clepto knows

A 'can' type cap would probably work just as well.
    
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post #10 of 24
I would lay it back in place an solder it back on. I have knocked so many of these off cards it isn't funny. I have also bought non working cards dirt cheap that after a quick look over had a few missing an I was able to repair almost all of them.
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