X220 partially dead yellow USB port, dead SD card

X200, X201, X220 (including equivalent tablet models) and X300, X301 series specific matters only.
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Fusion
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X220 partially dead yellow USB port, dead SD card

#1 Post by Fusion » Sun Apr 30, 2017 6:44 pm

Would anyone happen to know how to troubleshoot no data on the always charge port?
I have taken the motherboard out and could not find any wonky/fried parts.
The port outputs 5.05V, shown on a USB "multimeter", but plugging in a phone it does not handshake and shows 0.05A. Also no data connection.
The SD card reader is also not working, although I am guessing it also receives 5V.
My best guess is that USBP9+ and - are unconnected somewhere.

Is this a common issue? I have boardview and the schematic ready. I am am a trained technician with the needed tools, but I don't want to peel away all the black vinyl to track the problem all over the motherboard.
Thinkpad W500 4063-VA4 CD2 Penryn 2,80GHz, 4GB RAM, 320GB HDD, 15.4" WUXGA, FireGL V5700, Win7u
Thinkpad R60 9461-DXG P-CD2 1,83GHz, 2GB 667MHz, 100GB HDD, ATI X1400@512MB, XP2 Pro
Thinkpad T23 2647-AG0 PIII M 1,13GHz (512KB), 256MB RAM, 20GB HDD, XP2 Pro

axur-delmeria
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Re: X220 partially dead yellow USB port, dead SD card

#2 Post by axur-delmeria » Mon May 01, 2017 12:18 am

I can think of 2 possibilities:

1. Dirty contacts on the USB port (same for SD card reader)
2. ESD damage

Why not remove the vinyl? You can put it back later and if you end up tearing it, you can use Kapton tape.
Daily driver: X220 4291-P79 i5-2520M

In reserve: X61 T7500, X60 T2300
In pieces: X60s CS U1300 [board only], two retired but working X61Ts
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dr_st
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Re: X220 partially dead yellow USB port, dead SD card

#3 Post by dr_st » Mon May 01, 2017 12:51 am

Well, the SD card reader is PCIe, not USB, so there should not be any connection between the two, except physical proximity (spill damage to the board localized to the area might affect both devices).

Do any devices work in the yellow USB port?

The card reader - has it worked before and stopped? Are the drivers installed? Is the card reader itself recognized, just the cards you plug in are not? (this may be tricky to check, as Windows tends to disable the card reader and it disappears off the bus when no cards are plugged in).

Just to be sure - are all ports enabled in the BIOS?
Current: X220 4291-4BG, T410 2537-R46, T60 1952-F76, T60 2007-QPG, T42 2373-F7G
Collectibles: T430s (IPS FHD + Classic Keyboard), X32 (IPS Screen)
Retired: X61 7673-V2V, A31p w/ Ultrabay Numpad
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Fusion
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Re: X220 partially dead yellow USB port, dead SD card

#4 Post by Fusion » Tue May 02, 2017 6:42 pm

Turns out USB- was missing a trace. Soldered a bodge wire and it seems OK. Haven't had time to look into the SD situation.
I just got this laptop so I have no info about its history. Installed BIOS 1.43 and am now running MacOS.

Additional question: Were the 2.8GHz i7s only available in the tablets? Notebooks were max 2.7GHz?
Thinkpad W500 4063-VA4 CD2 Penryn 2,80GHz, 4GB RAM, 320GB HDD, 15.4" WUXGA, FireGL V5700, Win7u
Thinkpad R60 9461-DXG P-CD2 1,83GHz, 2GB 667MHz, 100GB HDD, ATI X1400@512MB, XP2 Pro
Thinkpad T23 2647-AG0 PIII M 1,13GHz (512KB), 256MB RAM, 20GB HDD, XP2 Pro

ajkula66
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Re: X220 partially dead yellow USB port, dead SD card

#5 Post by ajkula66 » Tue May 02, 2017 10:10 pm

Fusion wrote:
Tue May 02, 2017 6:42 pm
Haven't had time to look into the SD situation.
Dead SD card reader is a fairly common complaint on these systems but I can't say that I know *exactly* what causes the issue. I have yet to read about anyone resolving it short of a planar swap.

Good luck.
...Knowledge is a deadly friend when no one sets the rules...(King Crimson)

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George (your grouchy retired FlexView farmer)

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dr_st
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Re: X220 partially dead yellow USB port, dead SD card

#6 Post by dr_st » Tue May 02, 2017 11:50 pm

Fusion wrote:
Tue May 02, 2017 6:42 pm
Additional question: Were the 2.8GHz i7s only available in the tablets? Notebooks were max 2.7GHz?
Nope. I have an X220 non-tablet with an i7-2640M (2.8GHz).
Current: X220 4291-4BG, T410 2537-R46, T60 1952-F76, T60 2007-QPG, T42 2373-F7G
Collectibles: T430s (IPS FHD + Classic Keyboard), X32 (IPS Screen)
Retired: X61 7673-V2V, A31p w/ Ultrabay Numpad
Past: Z61t 9440-A23, T60 2623-D3U, X32 2884-M5U

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