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Q9550 lapping

post #1 of 19
Thread Starter 
Hi all,

so i lapped my q9550 starting with 400 then 600 then 800 then 1200 then 1500 then 2000 then 2500, and it still looks a frikin mess, just wont ever go mirror like, i saw this video and the finish is just awsum!!


YouTube- Mirror-like result after lapping my Q6600 G0
thats what i want, my q9550 looks frikin horrible!!! will post pictures tomorrow,

My method was following a guy called TJharlow, not sure if any of you have seen his vidz on youtube ?? but this is the guide i followed...

YouTube- CPU Lapping Guide (Part 1 of 2)

the cpu would get a bit shiny when i went over the same spot for a while (until it would glide over the sand paper) then i would go on a fresh part and it would go crap and scratchted and horrible again!!! GRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRR!!!!!!! SOO ANGRY!!!!! why cant anything go right with PC's!!!!!!!!!!!!!! help
Edited by FuRy88 - 6/10/10 at 5:01pm
post #2 of 19
Fury,

I think you're missing the point of lapping your processor. It doesnt' matter if you have that "mirror" shine. All that matters is when you do the razor test, you have a flat surface.

Do the razor test and see if its flatter. then check your temps to see if you've had a drop.

Comps
post #3 of 19
Thread Starter 
i knew someone would say that.......but i want the mirror finish as well at least......there must be a reason why it didnt get to a mirror finish adn i was hoping someone would tell me why or ask me what i did so they can tell me what i did wrong...etc

razor test??? what is it, do i just get a razor blade and use the sharp edge to see if me CPU is completly flat yes??
post #4 of 19
The mirror finish is just for aesthetics, if you really want it, I think you have to get some sort of liquid/residue that you wipe with cloth to make it really shiny.
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post #5 of 19
Quote:
Originally Posted by FuRy88 View Post
i knew someone would say that.......but i want the mirror finish as well at least......there must be a reason why it didnt get to a mirror finish adn i was hoping someone would tell me why or ask me what i did so they can tell me what i did wrong...etc

razor test??? what is it, do i just get a razor blade and use the sharp edge to see if me CPU is completly flat yes??
Use less soap, see if it works then. Also slow down your sanding motion.
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post #6 of 19
Quote:
Originally Posted by FuRy88 View Post
i knew someone would say that.......but i want the mirror finish as well at least......there must be a reason why it didnt get to a mirror finish adn i was hoping someone would tell me why or ask me what i did so they can tell me what i did wrong...etc

razor test??? what is it, do i just get a razor blade and use the sharp edge to see if me CPU is completly flat yes??
you taped the sandpaper to glass/flat wood and dragged your CPU acrosss the top making sure not to push down, correct?? I got a mirror finish on mine with 400>800>1000>2000
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post #7 of 19
Thread Starter 
Quote:
Originally Posted by metallicamaster3 View Post
Use less soap, see if it works then. Also slow down your sanding motion.
didn't use any liquid at all.... and my sanding motion was a slow as it can get trust me...!! this is why im so annoyed I knew i wasn't doing anything worng, but its just turned out s***e!!!
post #8 of 19
Thread Starter 
Quote:
Originally Posted by coltsrock View Post
you taped the sandpaper to glass/flat wood and dragged your CPU acrosss the top making sure not to push down, correct?? I got a mirror finish on mine with 400>800>1000>2000
exactly correct (i used glass)
post #9 of 19
Thread Starter 
temps stayed the same really, no move whatsoever, and even more annoyingly, cores 2 & 3 are like locked at the same temp, like 4 degress higher than the others!! i thought lapping would stop this, didnt do frikin squat!!
post #10 of 19
Quote:
Originally Posted by FuRy88 View Post
didn't use any liquid at all.... and my sanding motion was a slow as it can get trust me...!! this is why im so annoyed I knew i wasn't doing anything worng, but its just turned out s***e!!!
Quote:
Originally Posted by FuRy88 View Post
temps stayed the same really, no move whatsoever, and even more annoyingly, cores 2 & 3 are like locked at the same temp, like 4 degress higher than the others!! i thought lapping would stop this, didnt do frikin squat!!
Those are stuck sensors. That has nothing to do with the CPU's temperature. That's the lowest the "thermometer" on the CPU can go, it's giving you incorrect readings. There's no way to fix this. Your actual temps are lower. You can safely go by the average of the other two working sensors to get the average temperature of all four cores. I have a stuck sensor myself, my #2 core won't go below 39C. That doesn't mean that the specific core stays at 39C while the others drop into the 20s.

Also, you should use very little water + soap (VERY little), this will give you the shine. Take a little Dawn dish soap and maybe a cotton's swab's worth of water ON THE SANDPAPER (not the CPU!).
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