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Search found 11 matches

by lenovo_or_bust
Thu Jul 09, 2020 10:37 am
Forum: Windows 10
Topic: T400 and Windows 10: My experience
Replies: 45
Views: 43751

Re: T400 and Windows 10: My experience

It's 2020 and I have 2 T400s running Windows 10 for some years now. No overheating, boots super quick, updates are fast, everything just works. For office work and browsing, the one I upgraded with SSD and 8GB RAM is remarkably fast in use. My only motivation for upgrading is the graphics card does ...
by lenovo_or_bust
Sun Jun 12, 2016 2:21 am
Forum: Windows 10
Topic: T400 and Windows 10: My experience
Replies: 45
Views: 43751

Re: T400 and Windows 10: My experience

With my T400 I only succeeded in installing Windows 10 by doing a new clean install. The update route was a failure. However having done it, it's a much faster smoother machine (32 bit W10 with 4GB RAM) that manages sleep/unsleep better too. Never got the fingerprint reader to work on the T400, has ...
by lenovo_or_bust
Wed Mar 02, 2016 8:05 am
Forum: Windows 10
Topic: T400 and Windows 10: My experience
Replies: 45
Views: 43751

Re: T400 and Windows 10: My experience

I have a T400 on Windows 7 Home Premium. Finally decided to respond to the update to Windows 10 nags, having backed up all files. But it always fails to upgrade (after a long wait) on 0x80070005. This even after trying to start from a burned DVD ISO from the Media Creation Tool. It's a very common u...
by lenovo_or_bust
Wed Mar 02, 2016 6:59 am
Forum: ThinkPad T400/T410/T420 and T500/T510/T520 Series
Topic: T400 motherboard selection
Replies: 9
Views: 3819

Re: T400 motherboard selection

I'm puzzled that people do this. I have *THREE* T400s (possibly even more) and I find the Intel one to be best for Windows 7 and allegedly the only one that works in Windows 10. The hybrid ATI 3600 whatever has issues in Windows 7 and apparently, sucks wind in Windows 10. Moreso, the hybrid thing m...
by lenovo_or_bust
Thu Jul 05, 2012 4:10 am
Forum: ThinkPad W500/W510/W520 and W700/W701 Series
Topic: W520 requires 170W AC adapter
Replies: 163
Views: 139025

Re: W520 requires 170W AC adapter

Great find! The 135 W adapter (DCWP CM-2) also officially works with W520, but the plug is a completely standard one as per say the T61, no extra plastic. So it looks like the plastic is complete red herring and the resistor is all. So, one could presumably shunt another resister in parallel via an ...
by lenovo_or_bust
Sat Apr 21, 2012 12:24 pm
Forum: ThinkPad W500/W510/W520 and W700/W701 Series
Topic: W520 requires 170W AC adapter
Replies: 163
Views: 139025

Re: W520 requires 170W AC adapter

I think that 20% of W520 owners who who travel, and who already own a couple of 90w power units due to previous Lenovo ownership will be interested in a cheap tip adapter - if it works, of course.
by lenovo_or_bust
Sat Apr 21, 2012 10:34 am
Forum: ThinkPad W500/W510/W520 and W700/W701 Series
Topic: W520 requires 170W AC adapter
Replies: 163
Views: 139025

Re: W520 requires 170W AC adapter

Let's assume thinkbigger's fix really did work: Once some entrepreneur has decoded what's going on electrically, maybe tip adapters so 90W can power W520 will start appearing on Ebay. There must be shedloads of legacy 90w power supplies lying around! I for sure would be first in line.
by lenovo_or_bust
Wed Apr 18, 2012 11:17 am
Forum: ThinkPad W500/W510/W520 and W700/W701 Series
Topic: W520 requires 170W AC adapter
Replies: 163
Views: 139025

Re: W520 requires 170W AC adapter

Yes you could break the circuit, may not prove anything as you either a) Simply interrupt the power to the W520 b) Disconnect something that's not connected to anything anyway. I'd be a bit careful not to short anything too. The logic puzzle is that the tip can be rotated 180 deg and plugged in, rev...
by lenovo_or_bust
Sat Apr 14, 2012 6:40 am
Forum: ThinkPad W500/W510/W520 and W700/W701 Series
Topic: W520 requires 170W AC adapter
Replies: 163
Views: 139025

Re: W520 requires 170W AC adapter

no-one has confirmed yet if and there is really a signal chip in the 170w adapter's connector tip and what it does - the Dell article points to an example of such a chip being in the logical place - inside the adapter housing
by lenovo_or_bust
Sat Apr 14, 2012 6:33 am
Forum: ThinkPad W500/W510/W520 and W700/W701 Series
Topic: W520 requires 170W AC adapter
Replies: 163
Views: 139025

Re: W520 requires 170W AC adapter

So it's still a bit of a mystery how thinkbigger got his 90w adapter to work using a 2 wire connection to the 170w tip
by lenovo_or_bust
Fri Apr 13, 2012 11:22 am
Forum: ThinkPad W500/W510/W520 and W700/W701 Series
Topic: W520 requires 170W AC adapter
Replies: 163
Views: 139025

Re: W520 requires 170W AC adapter

thinkbigger's solution looks great - swap the tip so the 90W power supply supports the 170W supply's plug tip. This is elegant and can save us bucks and weight as well as the highly desired 'have 1 laptop but a power supply in every port' model! I almost thought I could do a physical hack here, and ...

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