My daughter's X220 tablet has a screen that is intermittently on/off. Depending on how you move the screen. I believe this to be a bad cable, and so we've been researching this problem and the HMM has 2 different cables listed, an LCD cable and an LED cable. How do i know which one is the right one?...

Just an update to this thread, for completeness: I think my motherboard charging circuit is toast. Since i use the laptop plugged in most of the time, it's not been an issue. I use an external battery charger from Lenovo to charge the W700 batteries when i need to be mobile for a bit. This solution ...

Just a data point here; i have had very satisfying performance on a W500 with an SSD in the main bay and a 1TB data drive in the ultrabay adapter. It can be a good way to go if you don't have constant need for an optical drive. Or grab a dock with a ultrabay if you need it more than occasionally.

I bought a decently equipped W700 a while back on ebay for $50. It's been a very very nice machine and has replaced my W500 for general daily duties. Sold without a power brick and i found one for about 45 somewhere. Only flaw was the charging circuit doesn't work, so i bought a spare battery and an...

Well, i don't have any of the right dead motherboards, my bad battery is missing the connector, and any items i need are ebay or vendor right now, so i'm going to table this for a while.

I'll see what i can find, but i'm not sure i even have a dead laptop sitting around. T43 maybe.

I do have a dead battery case for a T60, i'll see if i can make a connector off of that before i get too crazy like taking the motherboard out for exam. I've only had it down to the fans so far. Edit: What about one of these gizmos? These can be had pretty cheap. The ThinkPad External Battery Charge...

The other thing that occured to me. Are any other batteries using the same laptop to battery connector? The multibladed thing that's on the battery and laptop.

Maybe i can check voltages on that at the laptop? Or will it not even give voltage unless it senses a battery is connected?

What an interesting idea! Homemade battery charger adapters. I suppose an ultrabay battery would also serve as a test of the charging circuit on the laptop. I don't have one of those, i do have one of the interposers, but it's being used in a frankenpad right now. As i recall, it took me a while to ...

Yes, the charger works because i use the laptop no problem plugged in.

I use the 230W W701 charger. Works fine.

My new W700 isn't charging. When i got it, the battery seemed bad, so i got a new one. The new one didn't charge either. I tried to run a recalibrate routine on it, and it still won't charge. So now i have 2 dead batteries. It won't charge with it running or turned off. I thought it might be a windo...

The magnet is still there. I found it. Still not working. I'm going to guess the inverter is dead.

An update on this one. It's doing it again on that particular laptop, and even swapping drives, i wasn't able to fix it this time. Does anyone know where the lid switch is on the T500/W500? I can't find it. I'm at a loss to figure out how to fix this one. When i press power, it just spins up the dri...

Thanks RBS, i did investigate if that was a problem. I ended up swapping hard drives from W500 to W500 last night, and found the problem followed the hard drive. My assumption at this point, this is a botched W7 install. I'm still struggling to understand how it can emulate a lid switch, but there i...

An update, i ended up finding a 220W power supply fairly reasonably, and abandoned the idea of a cable end swap with a 520. I did look, but didn't find much of a match anywhere.

If there's interest, i will put a very good mitutoyu caliper on the connector for posterity.

Folks, Hope you can help. I just got a W500 exhibiting a strange problem. Posting here because most of you know that a W500 is essentially a T500 with both graphics chipsets, and this forum area gets more traffic than the nearly dead W500/W700 one. This laptop is an ebay purchase, sold as fully work...

Thank you so much everyone for posting in this thread. I have enough to go on now. If i do find a connector to fit this, and move forward, i'll post with results.

Thanks!

Because this page says so?

http://www.thinkwiki.org/wiki/Power_Con ... _connector

It's also asking for confirmation, which is why i'm asking somebody with eyes on to measure with a caliper.

ID/OD from a 20V 65W/90W (for T60 etc.) and ID/OD from 20V/135W (for W500/W510) and ID/OD from 20V/170W (for W520 etc.) are identical. Only difference: 170W has 2 extra "ribs" inside for the W520 socket "grooves". If you cut/grind those "ribs" out, it will also fit on all other 20V Thinkpads with r...

Will someone with a W700 power supply grab a caliper and measure the ID and OD of the power supply connector? I've just picked up a W700 without a power supply, and having a hard time getting one for a reasonable price. There's a ton of 170W W520 adapters out there, and my thought was get a connecto...

I've been thinking about this recently, as i have several 2503's sitting at home. The constraints on video cards in this dock seem to be centered around power usage and size. That got me to thinking about a PCI-e extension harness and vidock type setup, but used from the dock. What are the bandwidth...

I showed him a few X220's and he loves them. I think he'll be a convert.

Thanks for the help.

He said 2-300 is ok. I think most diag ports these days are usb. Is the 201 available with multitouch? I don't think he wants to use a pen.

Can someone help recommend a tablet for a friend? He's looking for a tablet style computer that will still run windows and office apps, NOT Windows 8. He intends to use in the workshop and cars for running OBD software and pulling up PDF's for workshop manuals. He is NOT a computer guy, but does kno...

So what would be the fastest cpu to install on a t61 with this new bios but no hardware mods?

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Is the t61 really special enough to go to all this work? Just saying.

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Nobody can remember it getting hot. I don't believe it was, but i wasn't present for the events.

I have a 15.4W T61 that's randomly rebooting. Nvidia graphics, but never any video glitches. Late 2007 build date. I thought it might be the ram, so replaced with new. No change. Running Mint Linux, with temp monitoring, doesn't appear to have any temp glitches. Can this be the nvidia bug? I thought...

I have 3 of them, but have never done a lot of swapping back and forth. I tend to just use the one that's setup at the moment. Let me know if there's anything you want to know or test. Thank you very much for the offer. Well, the 'test' is simple. Install a hdd in the bay and access it to make sure...

I'll chime in here, i have a frankie with a few advanced docks. I've never had any issues with the ultrabay. My R60 DVD-R drive went into the advanced dock since i run a SSD/HDD ultrabay combo on the frankie. I have the middleton bios, and have never had any issues whatsoever using the ultrabay on t...