Laptop Power Supply
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Posted by trickyrick on September 17, 2007, 11:33 am
Please log in for more thread options Will I damage my laptop if I use a power supply rated at 16 volts rather than the 20 volts (same amp) that came with it. IBM have changed the power supplys for the newer laptops. I would like to use the old one I have from time to time as a second power supply. Thanks Rick | |||||||||||||||||||
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Posted by Meat Plow on September 17, 2007, 2:51 pm
Please log in for more thread options On Mon, 17 Sep 2007 08:33:09 -0700, trickyrick wrote: Could damage one or the other or both. Or it might not. Why risk it? | |||||||||||||||||||
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Posted by Charles on September 17, 2007, 5:03 pm
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> Will I damage my laptop if I use a power supply rated at 16 volts
> rather than the 20 volts (same amp) that came with it. IBM have > changed the power supplys for the newer laptops. I would like to use > the old one I have from time to time as a second power supply. > Thanks > Rick I would not risk it. | |||||||||||||||||||
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Posted by JANA on September 17, 2007, 10:32 pm
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The lower voltage supply will probably cause the computer hardware to be unstable. This can lead to damage, most likely to the hard drive to begin with. Call IBM support and find out where to order an original supply. -- JANA _____ Will I damage my laptop if I use a power supply rated at 16 volts rather than the 20 volts (same amp) that came with it. IBM have changed the power supplys for the newer laptops. I would like to use the old one I have from time to time as a second power supply. Thanks Rick | |||||||||||||||||||
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Posted by w_tom on September 18, 2007, 11:51 am
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> Will I damage my laptop if I use apower supplyrated at 16 volts
> rather than the 20 volts (same amp) that came with it. IBM have > changed the power supplys for the newer laptops. I would like to use > the old one I have from time to time as a secondpower supply. Undervoltage does not damage electronics. A common myth found where people see electric motors damaged by low voltage; then automatically assume same applies to electronics. Either the system will power on and be unstable, or system will not start. Threat is not to electronics. Threat would be to other things such as data integrity. Either way, nothing good is expected by using a power supply with insufficient power. Not just voltage is important. Also important are current or watts numbers. Supply voltage probably increased because a newer computer needed more power. | |||||||||||||||||||
> rather than the 20 volts (same amp) that came with it. IBM have
> changed the power supplys for the newer laptops. I would like to use
> the old one I have from time to time as a second power supply.
> Thanks
> Rick