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How to extract stripped screw on mother board for the mini PCI-e slot?

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error_checking_coder
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How to extract stripped screw on mother board for the mini PCI-e slot?

#1 Post by error_checking_coder » Wed Dec 07, 2022 3:55 am

I bought a used X61 with a WWAN card in the mini PCI-e slot. The two screws on of the card are stripped by the previous owner (see red circles in the photo). Does anyone have advice on how to extract them? Any tools or techniques? Also, is it possible to extract the female end of the screw from the backside of the motherboard?

This WWAN card clearly has no use nowadays given that none of the mobile carrier supports it and I thought it might be sitting there generating heat and consuming power. I really wanted to get rid of it.

https://gcdnb.pbrd.co/images/bW3qurFgrr6H.png

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Re: How to extract stripped screw on mother board for the mini PCI-e slot?

#2 Post by BillMorrow » Wed Dec 07, 2022 4:17 am

i changed that big picture to a link..
if it were me with those screws i would get a proper phillips screwdriver that really fits the screws..
also FWIW there are phillips screwdrivers with tiny serrations at the tip that grab the screw and prevent the tool from riding up in the screw..
is that clear..? :-)
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error_checking_coder
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Re: How to extract stripped screw on mother board for the mini PCI-e slot?

#3 Post by error_checking_coder » Wed Dec 07, 2022 11:24 am

Thanks for the formatting. First timer here. I'll use image urls in the future.

I'll give those extraction screwdrivers a try. I've seen them for larger screws, but the problem is that the body of the damaged screws is very thin, so it's hard to find matching extraction bits.

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Re: How to extract stripped screw on mother board for the mini PCI-e slot?

#4 Post by BillMorrow » Wed Dec 14, 2022 1:00 am

the phillips screwdriver bit MUST fit the screw exactly.. and slop and all you do is mess it up..
you also need sufficient pressure to prevent the bit from riding up the screw slot..
beware messing up the system board..
Bill Morrow, kept by parrots :parrot: & cockatoos
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She was not what you would call refined,
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She was the type of person who kept a parrot.
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Re: How to extract stripped screw on mother board for the mini PCI-e slot?

#5 Post by RealBlackStuff » Wed Dec 14, 2022 4:55 am

Here's an interesting article about the various screw types: https://www.instructables.com/When-a-Ph ... -Phillips/ some of which you probably never heard of.

The one that Bill Morrow refers to is the ACR (Anti-Camout Ribs) Phillips, a.k.a. Phillips II.
(Step 15, 17 and 19 in above article).
Lovely day for a Guinness! (The Real Black Stuff)
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MikalE
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Re: How to extract stripped screw on mother board for the mini PCI-e slot?

#6 Post by MikalE » Wed Dec 14, 2022 9:59 am

Interesting information. Several of those I have used in the past, and many I've never heard of or seen.
A31p P-IV 2Ghz, 2MB, 2653-R6U
T500 T9600 2055-BE9
T510 i5 4384-DV7
T510 i7 4349-A64
T520 i7QM 4242-4UU Highly Modified
T16 i7 1260P 21BV000SUS

error_checking_coder
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Re: How to extract stripped screw on mother board for the mini PCI-e slot?

#7 Post by error_checking_coder » Mon Dec 19, 2022 11:20 pm

UPDATE

I followed the advice from a friend a bought a pair of Neji-Saurus pliers from iFixit (they are $$$). One of the screws came out upon first try. The other took a dozen tries and eventually came out. I have to say, this tool is legendary. That X61 has a T8300 system board, which is rare nowadays, so I'm feeling at peace with how much I paid for the pliers.

You can see the extracted screws: https://storage.googleapis.com/openscre ... YTrm9t.png

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