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2 Posts

08-04-2015

Taiwan

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Re: Lenovo Yoga Tab 2 SDXC UHS-1 Performance

2015-08-04, 14:47 PM

I also encountered the same problem(Transcend Prenium SDXC 64GB Class10 U1)

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5 Posts

08-04-2015

@Eastw1ng

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Re: Lenovo Yoga Tab 2 SDXC UHS-1 Performance

2015-08-04, 16:22 PM

Hi fellas, Eastw1ng here.

 

Have you tried with a different card? My tablet upgraded fine and I even achieved 23MB/s with Windows 10. Try formatting it on a different device if another card does seem to work :)

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16 Posts

07-30-2015

United States

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Re: Lenovo Yoga Tab 2 SDXC UHS-1 Performance

2015-08-11, 5:53 AM

wrote:

I know my issue is a little different, but am posting it here in hopes of getting some help.

I am using a 64GB SDXC card in my Lenovo YOGA Tablet 2-1051-F, with Windows 8.1.  I formatted the card to NTFS.  Everything was working fine, but now that I have upgraded to Windows 10, the only problem seems to by the card is not recognized any longer.  The "SD" logo shows up in the "This PC" window, but when I try to click on it (left or right), it hangs and then after quite a while it asks me to insert a card.  I have installed all the driver updates from the Lenovo support site (no downloads specific to the card reader). No change.  I even downloaded a driver file from Realtek and ran it - maybe a mistake, but it doesn't seem to have changed anything at all.  I don't seem to be able to find any information regarding the drivers for the reader or reinstalling them.  Thanks for any suggestions!  I will probably start a new thread as well, but hoped others would see this here.


I had the same issue with a 64GB PNY card... it not only not recognize it after upgrading to W10 but it aalso slwed the system to a halt, specially when rebooting, shutting down, starup.  Once I took the card out biit went from like 90 seconds to like 10.  I out the card back in, back to 90 seconds...  Anyway the system never recognized it again... I returned the computer to Lenovo.  I have a new one on the way, hoping this one holds up.

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7 Posts

07-31-2015

USA

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Re: Lenovo Yoga Tab 2 SDXC UHS-1 Performance

2015-08-11, 6:08 AM

Yes, a new card seemed to do the trick, as I also coud not format the old 64 gb card in my other machine.  I have only a 32gb card now, so can't say that a new 64gb card would work for sure. i also wiped the drive and reinstalled 8.1  and then upgraded again to 10, so this might have had an impact.

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10 Posts

08-07-2015

Poland

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Re: Lenovo Yoga Tab 2 SDXC UHS-1 Performance

2015-08-11, 15:30 PM

It's a driver problem. My 64GB card doesn't work in windows 10 aswell (slows it dramatically too), tried both - upgrade from 8.1 and clean install. Card itself is perfectly fine, working without a single trouble on other machines. If they won't fix it, I'm going to return my yoga. Specifications clearly state that it supports cards up to 64GB, and it was on windows 8.1 (though slow as hell for a class10 sdxc).

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16 Posts

07-30-2015

United States

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  • Message 46 of 58

Re: Lenovo Yoga Tab 2 SDXC UHS-1 Performance

2015-08-12, 6:21 AM

I read somewhere to do the W10 update without the card on the tablet... My new one should be here in about a week, I will report back... I will also be testing a SanDisk 128GB card on it.

BTW I spoke with Lenovo today and while they could not give me any specs about the card reader, they did say don't waste money on a high speed card, just get the cheapest... that should tell you what's in there...

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6 Posts

07-31-2015

UK

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Re: Lenovo Yoga Tab 2 SDXC UHS-1 Performance

2015-08-12, 8:40 AM

I have a 128Gb Sandisk card on my Yoga 2 Tablet.

 

Currenly it tops out at 15Mb/s... on my Venue the same card writes at 40-50Mb/sec... yep the card reader on the Yoga 2 is awful.

 

I have no issues playing HD 1080p movies though... some lag with smaller files in some apps... (ie comics)

 

Win 10 did offer a tiny speed boost from 11Mb/s to 15Mb/s

 

Due to Lenovo being cheap on the card reader this is the only and last Lenovo I will ever buy... I mean how much would it cost to put a better reader inside... I'd rather pay an extra tenner on the device for a decent reader.

 

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2 Posts

08-04-2015

Taiwan

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  • Message 48 of 58

Re: Lenovo Yoga Tab 2 SDXC UHS-1 Performance

2015-08-12, 10:49 AM
SDXC 64GB been functioning properly in Win10, provided my practice to give you a reference 1.Lenovo Yoga2 Tablet Win10 (Unable to read SDXC) returned to Lenovo Services Restore Win 8.1 (recovery can be properly read SDXC) 2. Upgrading switch Windos Update mode Win10 (before using the Microsoft official website to download the upgrade program is installed completely cleared Win10)
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5 Posts

08-04-2015

@Eastw1ng

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  • Message 49 of 58

Re: Lenovo Yoga Tab 2 SDXC UHS-1 Performance

2015-08-15, 21:39 PM

Hia Guys, Eastw1ng here.

 

I thought I would post my own results after upgrading to Windows 10 on the Tablet. Just to let you know, I removed the recovery partition after upgrading, because it had no effect after upgrading to windows 10. Besides, I have no plans to return back to windows 8.1 ever.

 

Anyway, on to the sweet sweet benchmarks of the Samsung 64GB micro SD Pro:

 

 

Windows 8.1 (Old):

 

original.png

 

Windows 10 (New):

 

Capture.JPG

 

Now I know that this benchmark was done with different versions of the benchmarking tool, but for now I take that the performance enhancement of windows 10 actually is worth the upgrade. Focus on the Sequential and 4K benchmarks, as they seem to be similar in description. Its a huge improvement, but still not the performance that an SDXC card can deliver, still worth it in my eyes though.

 

Thought I should update you guys.

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16 Posts

07-30-2015

United States

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  • Message 50 of 58

Re: Lenovo Yoga Tab 2 SDXC UHS-1 Performance

2015-08-15, 21:52 PM
Thanks for posting, can you share the steps to deleting the partition after instal?
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