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| | == High-pitch noise from AC-Adapter == | | == High-pitch noise from AC-Adapter == |
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| − | This appears in some AC adapters shipped with some T60 and T60p. | + | This appears in some AC adapters shipped with some {{T60}}, {{T60p}}, {{Z61m}}, {{T30}} (they're possibly shipped with others, too) |
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| | So far, Lenovo did not offer any feedback for this problem. | | So far, Lenovo did not offer any feedback for this problem. |
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| − | | + | Mine (supplied with a T60p) made an unpleasant "crackling, whining" noise. My supplier (Hemini) accepted it as a warranty issue, and |
| − | | + | provided me with a new one; this new one is *totally* silent (even with my ear right up to the PSU). Good switched mode PSUs should be inaudible; noisy ones are either defective, (or very cheaply constructed). --[[User:RichardNeill|RichardNeill]] 01:07, 3 May 2007 (CEST) |
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High-pitch noise from AC-Adapter
This appears in some AC adapters shipped with some T60, T60p, Z61m, T30 (they're possibly shipped with others, too)
So far, Lenovo did not offer any feedback for this problem.
Mine (supplied with a T60p) made an unpleasant "crackling, whining" noise. My supplier (Hemini) accepted it as a warranty issue, and
provided me with a new one; this new one is *totally* silent (even with my ear right up to the PSU). Good switched mode PSUs should be inaudible; noisy ones are either defective, (or very cheaply constructed). --RichardNeill 01:07, 3 May 2007 (CEST)
