Solved WiFi won't work after disk transplant to identical machine

Ok, folks, I fixed my wifi on the offending machine.

The only problem is that I don't know how I fixed it. For some reason, today it decided it would work, with a "network detected" indication from the Intel wifi software.

Recall that I previously determined this was not a hardware problem, because it worked with win xp on the same machine.

The only thing I can think of is the following. I just got a new USB thumb drive that I plugged in to a USB 3.0 expresscard card. Windows started "loading drivers," until "your new device is ready for use." Then I started reformatting the flash drive with NTFS, and noticed that the wifi was now working. So, my only theory is that in installing new device drivers, windows fixed some inconsistency in the driver setup.

It's also the case that Windows update installed a new power management driver last week, and that may also have corrected the problem, which might have been a power manager screwup I guess. I think I would have noticed that the wifi was working in less than a week, though.

So, until further notice, problem is solved. I only wish I were wiser as a result. Oh well.
 

My Computer My Computer

At a glance

win 7 pro x64T7700 Intel4GB
Computer type
Laptop
Computer Manufacturer/Model Number
Lenovo T61p
OS
win 7 pro x64
CPU
T7700 Intel
Memory
4GB
I only wish I were wiser as a result. Oh well.
Well it's not the first time this has happened to any of us and won't be the last I'm sure. At least it's working and if I were you I'd made a backup or two of the PC! While it's working!

Thanks for reporting-back anyway. :geek:
 

My Computer My Computer

At a glance

Windows 7 Professional 64bitIntel Core i7 4600M @ 2.90GHz16.0GB Dual-Channel DDR3 @ 797MHz (11-11-11-28)Intel HD Graphics 4600 (Dell) 2048MB ATI AMD ...
Computer type
Laptop
Computer Manufacturer/Model Number
Dell Latitude E6540 Laptop
OS
Windows 7 Professional 64bit
CPU
Intel Core i7 4600M @ 2.90GHz
Motherboard
Dell Inc. 0CYT5F (SOCKET 0)
Memory
16.0GB Dual-Channel DDR3 @ 797MHz (11-11-11-28)
Graphics Card(s)
Intel HD Graphics 4600 (Dell) 2048MB ATI AMD Radeon HD 8790M
Sound Card
Realtek High Definition Audio
Monitor(s) Displays
HP ZR30w (2560x1600@60Hz)
Hard Drives
256GB LITEONIT LMT-256M6M-41 mm SATA (SSD)
1TB Samsung SSD 860 EVO mSATA SATA (SSD)
2TB USB 3.0 USB Device
115GB SanDisk Ultra Fit USB
Other Info
Multiple Dell E-Port Plus II Port Replicator/Docking Stations 0Y72NH USB 3.0 + 130W AC Adapters
I did immediately make a sector-level backup.
 

My Computer My Computer

At a glance

win 7 pro x64T7700 Intel4GB
Computer type
Laptop
Computer Manufacturer/Model Number
Lenovo T61p
OS
win 7 pro x64
CPU
T7700 Intel
Memory
4GB
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