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The old power supplies had a large switch that was on the side of the computer to turn on the PC. The small, recessed switch on the back, if it exists, is to select the proper power line voltage. It should only be set to your proper voltage, and never changed while the power supply is plugged into the wall.
A symptom of the voltage switch being in the wrong position (at least if you have 110-120 volt power) would be if the PC doesn't boot all the way up. It might lock up right as the operating system starts to load.
What the voltage switch does is select a voltage doubler circuit if you are operating on 110-115 VAC. Otherwise, the rectifier bridge and capacitors inside are in normal configuration.
What else can I help you with?
Where is the reset button on the trane model 4tee3f40b1000aa?
The reset button on the Trane model 4TEE3F40B1000AA is typically located on the air handler or the outdoor unit. It is usually a red or yellow button and may be found near the power supply or on the control board. To reset the unit, you may need to turn off the power, press the reset button, and then restore power. Always refer to the user manual for specific instructions and safety precautions.
What hardware unit contains the power supply?
The hardware unit that contains the CPU, the RAM, a hard disk, and a power supply is called the "motherboard."
What is the computers power suply called?
it can simply be called a "power supply" or a PSU (power supply unit)
Why does the power supply unit have a fan built?
To keep the power supply cool. If there were no fan the power supply would overheat and fail.
What hardware system do you first assume is at fault?
The obvious answer would be the Power Supply Unit (PSU). This starts the computer and without it nothing can work. On the other hand if you have a faulty mother board or RAM, the computer would switch on but nothing would be shown on the screen. The PSU is found on the highest part of the tower. Also check the the switch (if it has) is switched on, and that the power supply cable (the 3 pin one) works.
How can a power supply be repaired?
A computer's (PC's) power supply is a sealed unit and should be replaced as a whole - It is dangerous to try and repair the inside of that sealed unit (that is why it is sealed).
What unit sends power through the cables to the motherboard and other computer parts?
The PSU, Power Supply Unit
What is psu in system unit and its function?
A PSU in a system unit is the power supply unit. It provides well-regulated power for the computer and its peripherals.
Gets electricity to the computer?
The answer is the power supply unit or PSU.
Does the fan automatically come on in a power supply unit?
Yes
The hardware unit that contains the CPU memory hard disk and power supply is?
System unit
Where is the power button on the iPod?
Top right hand corner of the unit
