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if you have a light on the monitor, use a voltmeter or an ac wall outlet tester found in a hardware store to confirm that there is adequate ac voltage at the wall outlet for the computer.
如果显示器上的灯亮,请使用电压表或交流墙式插座测量器来确认墙式插座输出了足够的交流电压,这些设备都可以在硬件商店买到。
use a voltmeter to verify the powergood signal is +5 volts. if the signal is below 1.0 volts, there may be a short or overload. consider replacing the power supply.
使用电压表来确证“电源正常”的信号是+5 伏。如果信号低于 1.0 伏,则可能存在短路或过载。考虑更换电源。
use a voltmeter to verify that each output from the power supply is correct. if any output is very low (especially the +5 volt output, replace the power supply).
使用电压计来确认电源的每个输出都是正确的。如果任何输出过低(特别是 +5 伏输出),请更换电源。