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her are some power Adapters listed on amazon. Also, look on the bottom to see what polarity it is (also by mosue over the picture of the adapter in the bottom link (to zoom in)
Your adapter should be a 12 volt DC delivering 2 amps (2000 ma). If the adapter is too small, you will have the symptoms you are seeing. Make sure the polarity is correct. DO NOT use the so called "universal adapters".
Depending on the power adapter, you might be able to pickup one at Radio Shack.. If it is a single pin plug, check near the power adapter jack to see if it shows you polarity of the center pin, which will either be "+" or "-" Take this information to your local Radio Shack along with the voltage and amperage requirements
Here is a general case solution that might work even if you don't have the manufacturer's expensive adapter if you have some tech skills. Check the input plug on the radio. If you are lucky it should have a symbol next to it with a dot within a circle. The dot gives the polarity of the center connector and the circle gives the polarity of the outer connector of the plug. If you are super lucky, you will have the correct adapter already in your parts bin. Otherwise, you can buy universal 12V power adapters online from all electronics and radio shack. They include just about every kind of plug option and also some feature to select polarity.You can try the various plugs and find the one that fits perfect & then set the correct polarity. The current is not so important as long as you meet or exceed the required capacity which is often not given. Both universal adapters can provide 1000 mA which should be more than adequate. There is always a chance to screw up any electronic part; I can attest to that, but I keep 2 or 3 universal 12V power bricks on hand and have used them for many tech items.
If you KNOW it is 5 volts then you only need to make sure that the amp is higher and never lower. Higher amp only means it can work without getting too hot. But the VOLTS MUST BE precise. For polarity it is MOST common to have the center pin PLUS and outer NEG/GND. When I fix laptops and put the powercord wrong nothing happens. When I get it right then lights go on on PC.
You can use an adapter with a lower or the same voltage, but not higher voltage. Also it should have similar amperes. Also it needs the same polarity. That's the +/- indicator. This page has a positive polarity symbol:
There's no need to pay ridiculous amounts of money for an exact brand name adapter.
i own the exact same drive. i'm looking for a spare power supply, came across this website, and saw your problem. the power supply is 12 volts dc at 2 amps. the connector that gets plugged into the hard drive: center pin is power (positive) and outer "shield" is ground (negative). hope this helps.
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