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- Thu Aug 25, 2011 11:50 am
- Forum: ThinkPad T6x Series
- Topic: "Unknown device" in device manager: ACPI\ATM1200
- Replies: 6
- Views: 91361
Re: "Unknown device" in device manager: ACPI\ATM1200
Hi, Today whilst working on a clients ThinkPad T60, I experienced the same issue. I had re-installed the NB to windows 7 32bit, The automatic search in 'device manager' found every other driver besides this underlined "Unknown device" >> details >> ACPI\ATM1200" I then proceeded to download every ob...



