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FilmTraveler
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Posts: 12
Registered: ‎05-03-2016
Location: US
Views: 2,795
Message 11 of 18

Everything we know so far about the loose screw problem, including replacement screw sizes

I had enough of the "loose screws" threads all over this forum. So, here is a summary of everything we know so far in the forums about the "loose screws" problem on Yoga laptops (definitely Yoga 2 Pro, possibly others): There IS a problem; Lenovo denies it and will refuse warranty claims of damage RESULTING from screws falling out; prior to any damage, Lenovo WILL replace the screws in-warranty but you have to mail in the laptop; Lenovo WON'T mail you screws unless you escalate and get someone nice, in which case it's been known to happen; YES you can just buy replacement screws and screw them in.

Here is the exact screw you want:

www.laptopscrews.com/m2x4.5mm.htm

It is a "wafer head" torx M2 screw, with a 4.5mm length. In one thread, a guy got an M2 screw with 5mm length at a hardware store and said it worked, and another got a 5mm at laptopscrews.com, and the hardware manual specifies 5mm, but the 5mm ones have a different screwhead, and I measured mine and if you want to be 100% precise it is in fact 4.5mm long. (You measure from the base of the head down to the end.)

Here is the exact screwdriver you need:
ww.amazon.com/SODIAL-Yellow-Handle-Magnetic-Screwdrivers/dp/B00SUVOMFU
It is a torx T5. It usually comes in a kit of several, like in the above link. Search if you want to find other brands and options; this was just the cheapest one I found.

If you want to add locking compound to keep the screws in a little longer, this is the cheapest I found:
www.amazon.com/Loctite-Blue-Threadlocker-6-Milliliter-209728/dp/B000I1RSNS
You want Loctite 242 or 222, or some other brand equivalent. Some folks recommend 222 because it has slightly less locking strength, but a) it's twice as expensive, and b) haven't we already established we need MORE locking strength?

Here are all the forum threads I found after a quick search:


User complains of the screws falling out and finds a list of screws in a manual, which isn't that helpful since it doesn't say which is which:
https://forums.lenovo.com/t5/Lenovo-Yoga-Series-Notebooks/Yoga-2-Pro-screws-falling-out/td-p/1761263

User has screws all out, gives up and sends it in for warranty repair. When it happens again, he escalates case and gets screws sent to him:
https://forums.lenovo.com/t5/Lenovo-Yoga-Series-Notebooks/Yoga-2-Pro-screw-fell-out-again-THANKS-LEN...


User discovers laptopscrews.com and orders replacements:
https://forums.lenovo.com/t5/Lenovo-Yoga-Series-Notebooks/Just-need-a-lousy-screw-for-a-yoga-pro/td-...


User's entire laptop case splits due to loose screw, Lenovo makes him pay for it anyway:
https://forums.lenovo.com/t5/Lenovo-Yoga-Series-Notebooks/Yoga-disintegrates-when-case-screws-loosen...


User complains about loose screws:
https://forums.lenovo.com/t5/Lenovo-Yoga-Series-Notebooks/Screws-falling-out-of-Yoga-13-warranty/td-...

 

Hope that helps!

 

FilmTraveler
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Posts: 12
Registered: ‎05-03-2016
Location: US
Views: 2,753
Message 12 of 18

Re: Everything we know so far about the loose screw problem, including replacement screw sizes

Addendum to my previous post: my screw arrived and I have pictures.

http://i.imgur.com/r8EVovi.jpg

 

Important notes:

 

  1. As you can see, the 4.5mm screw (left) is sliiiightly shorter than the stock screw (right) but works perfectly fine. So 5mm is more accurate, but only comes in Phillips head on the laptopscrews.com site.
  2. If you order the 4.5mm screw, it has threadlocker already applied, so you don't need to buy more. Don't know whether the same is true of the longer 5mm screw.
  3. The torx head for this screw is a T6, not a T5. That's also generally included in any teeny torx screwdriver set you'll get.
TheMadMartigan
What's DOS?
Posts: 4
Registered: ‎05-25-2016
Location: US
Views: 2,693
Message 13 of 18

Re: Yoga 2 Pro screw fell out again - THANKS LENOVO

Just curious: did you ever find out what screwdriver fits the screws in the bottom of the machine? I tried a torx 5 and 6 and the screws actually seemed to be between those sizes. Would love to know what worked for you!
FilmTraveler
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Registered: ‎05-03-2016
Location: US
Views: 2,687
Message 14 of 18

Re: Yoga 2 Pro screw fell out again - THANKS LENOVO

Yes. Read the two posts before yours.

TheMadMartigan
What's DOS?
Posts: 4
Registered: ‎05-25-2016
Location: US
Views: 2,685
Message 15 of 18

Re: Yoga 2 Pro screw fell out again - THANKS LENOVO

Thank you so much. Couldn't see that in the main forum thread for some reason.

 

So that T5 actually worked for you? I have a T5 that turned out to be too small (you'd think the sizes are standard). If that one worked for you, I will definitely give it a go. Thanks for taking the time to get back to me

TheMadMartigan
What's DOS?
Posts: 4
Registered: ‎05-25-2016
Location: US
Views: 2,681
Message 16 of 18

Re: Yoga 2 Pro screw fell out again - THANKS LENOVO

Another thing I've been unable to figure out (even after calling Lenovo): does this laptop (Yoga 2 13) have an mSATA 2.5 inch drive? Or 3.5? Most youtube dis assembly videos I've looked at seem to have a 2.5. Curious if you noticed.
FilmTraveler
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Posts: 12
Registered: ‎05-03-2016
Location: US
Views: 2,679
Message 17 of 18

Re: Yoga 2 Pro screw fell out again - THANKS LENOVO

All laptops are 2.5; 3.5 is for big ol' desktop systems!

TheMadMartigan
What's DOS?
Posts: 4
Registered: ‎05-25-2016
Location: US
Views: 2,671
Message 18 of 18

Re: Yoga 2 Pro screw fell out again - THANKS LENOVO

Sorry, I meant a 3.5 inch M.2 drive (little SSD). I can't tell whether the drives are 2.5 inch mSATA or 3.5 inch M.2.4

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