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Weird artifacts on 5750 after pencil mod

post #1 of 21
Thread Starter 
Hi guys,

I originally pencil modded my 5750 VDD and all went well. Then I decided to get a bit greedy and pencil mod the VDD abit more and also the vmem. After doing this my computer wouldn't POST instead giving me a long beep and 2 short beeps (GPU error), so I removed my pencil mods and started the computer.

Now I get weird artifacts everywhere, see attached! Have I permanently ruined my 5750?

Can I fix this? If not can someone else?

Many thanks,

Stephen.

P.S Don't pencil mod without a multimeter......

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post #2 of 21
Those seem to be memory artifacts O.o

Take this as an advice. NEVER vmod VRAM without very accurate potentiometers/meters. You're very very prone to ruinig it.


Remove the VRAM vmod, roll speeds back, and see if that helps.
   
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post #3 of 21
Thread Starter 
Removed all pencil mods and speed is at stock, still the same.

Even underclocked everything, still the same.
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post #4 of 21
You might've killed the memory chips...
   
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post #5 of 21
Thread Starter 
Hmmmm so no way to get it repaired?
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post #6 of 21
If your cards VRAM is cactus then it will be cheaper to get a new card than to Repair.

Oh BTW When you say "Pencil mod" do you mean putting pencil lines on your PCB between contacts ? (like the old school Multi unlocks on Athlons and Durons).
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post #7 of 21
Thread Starter 
Ah thought so.

Pencil mod is when you 'draw' over a certain resistor to increase the voltage to your GPU (core or memory). This lets you get a higher overclock if you have decent cooling.

Unfortunately I didn't have a multimeter and guessed, obviously ramping up the voltage to much and killing my card.
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post #8 of 21
This is why we can't have nice things.
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post #9 of 21
Quote:
Originally Posted by superste2201 View Post
Ah thought so.

Pencil mod is when you 'draw' over a certain resistor to increase the voltage to your GPU (core or memory). This lets you get a higher overclock if you have decent cooling.

Unfortunately I didn't have a multimeter and guessed, obviously ramping up the voltage to much and killing my card.
Thought so, not recommended for newer more delicate electronics.

Sucks though
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post #10 of 21
you could try having the vrams re flowed, you could try using rubbing alky and a tooth brush to ensure it's clean.
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