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  Tom's Hardware Forums » CPU & Components » CPUs » Lapped my CPU, and now its dead :/
 

Lapped my CPU, and now its dead :/




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 Thread : Lapped my CPU, and now its dead :/
 
U win some, the rest u smoke
Profile: old hand
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Yup you heard it right.

Decided to lap my e4300. Got the paper used soapy water and worked away till it was just about ALL copper.
Looked sweet too. Not mirror finish but it was flat and reflected things close by.

Plug it in...

Sys starts up for like 1/2 a sec then shuts down for 3sec. It repeats this 3 times before 'properly' coming to life. Then... nothing. GFX card fan goes to 100%
No life. CPU gets hot, but thats about it.

Tried bios reset etc... nothing. I THINK i may have been a bit generous with the water.

WHAAAA :(

Anyway, now i gotta get a new cpu.
Budget isnt really an issue but i dont wanna blow big $$$ on it either.
I have a P5B-D mobo and 800Mhz ramz, and prob do 80/20 gaming/vid editing
What CPU considering Q6600 is the MOST im willing to spend

thx


---------------
Q6600 B3 3.0Ghz @ 1.125v load
4850
P5B-D
8Gb 800mhz
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Profile: journeyman
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Wow that sucks... I would go with the Q6600 if I were you, I love mine, I do mostly gaming as of now.

Never stop and reload... EVER!
Profile: addict
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did you remember to clean the CPU?


---------------
E4300@9x356 = 3.2Ghz 1.36v - lapped to 600 grit idle 27C load 48C
DS3 rev3.3, Ballistix DDR1068 4-4-4-12 2x1GB, Sapphire X1950XT
SCNJ 1100P - lapped to 600 grit - Ceramique - Pressure Mount Mod

 

U win some, the rest u smoke
Profile: old hand
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Course i cleaned it.
Washed it under the tap for like 5min


---------------
Q6600 B3 3.0Ghz @ 1.125v load
4850
P5B-D
8Gb 800mhz
Never stop and reload... EVER!
Profile: addict
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Well I personally would have recommended q-tips and isopropyl but the water "should not" hurt it at all. Unless the IHS was not completely sealed and some water leeched under the IHS. If its dead and you have nothing to loose, try baking it in a very low temp oven, like 200-225 degrees F for a few hours to dry it out and see if it works.

Also make sure its not something simple like not plugging in the aux. pwr. tot he CPU or the vid card got bumped out of the slot a bit.


Message edited by little_scrapper on 08-18-2007 at 06:09:36 AM

---------------
E4300@9x356 = 3.2Ghz 1.36v - lapped to 600 grit idle 27C load 48C
DS3 rev3.3, Ballistix DDR1068 4-4-4-12 2x1GB, Sapphire X1950XT
SCNJ 1100P - lapped to 600 grit - Ceramique - Pressure Mount Mod

 

U win some, the rest u smoke
Profile: old hand
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Was being sarcastic btw :p
But i thought water would have been a sure killer. There is a little 'notch' on one side of the IHS, thought it would need a 'breather' hold of sorts.

B4 i plugged it in a cooked it on my room heater for ~30min @ ~50c.
Will give it a go at higher temp for longer and double check the rest of my sys.

Thanks


---------------
Q6600 B3 3.0Ghz @ 1.125v load
4850
P5B-D
8Gb 800mhz
Never stop and reload... EVER!
Profile: addict
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Yea seriously water in and of itself should not damage it at all. Hell back in the day I used to literally WASH my motherboard under the sink with a toothbrush. Never had a problem. Just make sure its dry. In your case if you can see a gap around the IHS you probably did get some water under the IHS. Dry it on your heater, fairly low heat, overnight and hope for the best.


Message edited by little_scrapper on 08-18-2007 at 06:38:08 AM

---------------
E4300@9x356 = 3.2Ghz 1.36v - lapped to 600 grit idle 27C load 48C
DS3 rev3.3, Ballistix DDR1068 4-4-4-12 2x1GB, Sapphire X1950XT
SCNJ 1100P - lapped to 600 grit - Ceramique - Pressure Mount Mod

 

everyone should run a i7 920 at 4GHz
Profile: Ancient Poster
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excellent post on why not to lap your cpu! byby 3 yr waranty!

static discharge - you have low humidity live out west?
you may have g9t soap film on the cpu clean the contacts with alchol

you should not use soap only pure water or soft water


Message edited by dragonsprayer on 08-18-2007 at 09:40:05 AM
Profile: addict
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Sounds like a little water under the cap. I remember my brother had a TB 1.4ghz chip back in the day. It was his first build and turned out almost like those pictures you see with TIM all over, yeah. So I soaked the cpu in bowl of warm, soapy water for a while. Scrubbed it off and let it dry for a day. Worked great.

Hmmm, on second thought, were you wearing gloves when handling the cpu? :sarcastic:


Message edited by function9 on 08-18-2007 at 02:17:18 PM
PENS.. forgot the i...
Profile: old hand
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wow, i didn't even have that bad luck when i *removed* my e4300s ihs! however i did eventually break it :( , but my new q6600 g0 works fine all lapped up and shiny... at 3.6ghz


---------------
-"From whence you came you shall remain, until you are complete again!"

Peter Mitchell

Profile: member
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why go to so much trouble for so little gain? Why not use a mild acid instead and acid polish your IHS? This way you don't have to remove so much material to get the nice,even, smooth finish you're all looking for.

Just make sure and use distilled water when you clean it off and don't immerse it either..how dumb!

Monkey wants to steal peaches
Profile: Faithful Poster
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The phrase "There is born every minute" [:mousemonkey:6] sprang to mind after reading the OP on this thread, no offence meant.

Never stop and reload... EVER!
Profile: addict
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Actually it the stupid ones that tend to breed most prolithically.

MrsBytch seems to forget that a mobo is made of fibre-glass and poly resin, components are made primarily of ceramic, and the only POSSIBLE way for water to hurt the board is if it gets inside of an electrolytic cpapcitor because the cap has a faulty seal or you arent smart enough to DRY your board after washing it.

Ask ANY NO2 or DI overclocker about preping boards. Hell these guys go through great lengths to clean the boards. Most go to lengths to even strip the conformal coating off the boards. and thats much more invasive them me holding a board under the sink for a bit.

Message quoted 1 times
Message edited by little_scrapper on 08-18-2007 at 07:06:10 PM

---------------
E4300@9x356 = 3.2Ghz 1.36v - lapped to 600 grit idle 27C load 48C
DS3 rev3.3, Ballistix DDR1068 4-4-4-12 2x1GB, Sapphire X1950XT
SCNJ 1100P - lapped to 600 grit - Ceramique - Pressure Mount Mod

 

Monkey wants to steal peaches
Profile: Faithful Poster
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little_scrapper wrote :

Actually it the stupid one that tend to breed most prolithically.

MrsBytch seems to forget that a mobo is made of fibre-glass and poly resin, components are made primarily of ceramic, and the only POSSIBLE way for water to hurt the board is if it gets inside of an electrolytic cpapcitor because the cap has a faulty seal or you arent smart enough to DRY your board after washing it.

Ask ANY NO2 or DI overclocker about preping boards. Hell these guys go through great lengths to clean the boards. Most go to lengths to even strip the conformal coating off the boards. and thats much more invasive them me holding a board under the sink for a bit.


Dude, I'm not gonna dispute what you are saying, but the point is they know/realise what they're doing and as such take all the right measures to limit possible f***up's whereas some don't, and let's face it if those extra 5c are that important to you then you should at least have some semblance of an idea of what you are doing, and if not, then put down the screwdriver and step away from the computer.

EDIT: the word 'not' should have been in the original post but was omitted and without it the post does take a different tone and if it was responsible for the degradation of this thread I can only offer my humble apologies to evey one concerned.


Message edited by mousemonkey on 08-21-2007 at 03:06:58 PM
Profile: member
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Boy, using tap water on electronics with open circutry seems pretty silly.
Water is one heck of a conductor and could get trapped under almost any part be it a capacitor, resister and so forth and short the leads. Or imagine the damage inside of a memory socket.
Antone that would suggest that it wont hurt to wash a motherboard with tap water as long as you dry it out needs to stop giving advice.

Monkey wants to steal peaches
Profile: Faithful Poster
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n°1739944
08-18-2007 at 07:06:41 PM
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