HP 403777-001 Computer Power Supply

HP 403777-001 AC Power Adapter Charger

Computer mainframe maintenance

First, start up regularly, especially in the wet season, otherwise the chassis will be short-circuited due to moisture, and the computer often used is not easy to break. However, if there is no lightning rod around the home, do not open the computer while thundering, and remove all the plugs.

Second, pay attention to heat dissipation in the summer, avoid using the computer for a long time in a room without air conditioning, and pay attention to antifreeze in winter. The computer is actually afraid of cold.

Third, when you don't need a computer, you should cover the monitor, the chassis, and the keyboard with a breathable and cloakable cloth, which can prevent dust from entering the computer.

Fourth, try not to turn the machine on and off frequently. When not in use, simply use screen saver or hibernate. Do not move the computer while the computer is in use, do not let the computer be shaken, and do not plug in all the hardware devices in the power-on state, except for USB devices.

Fifth, use the power socket with overload protection and three pins, which can effectively reduce static electricity. If the hand can feel static electricity, use a wire with an enameled wire (that is, plastic outside, which is copper wire inside), and one end is wrapped around the rear panel of the chassis. On the top, it can be wrapped around the fan air outlet, and the other end is preferably wrapped around the water pipe. If you can't touch the water pipe, look around, as long as the metal object can touch the earth (soil).

Sixth, develop good operating habits, try to reduce the number of loading and unloading software.

Seven, follow the strict sequence of power on and off, should first open peripherals, such as monitors, speakers, printers, scanners, etc., and finally open the chassis power. On the contrary, you should turn off the power of the chassis first. (Currently most computer systems can automatically power off the chassis)

Eight, do not place speakers around the display, there will be magnetic interference. The darker the brightness of the display during use, the better, but the comfort of the eyes is better.

Nine, do not place water or liquid materials around the computer to avoid accidentally knocking over the inflow causing trouble.

Ten, many lines behind the chassis should be straightened out, do not entangle each other, it is best to use plastic hoops or rubber bands to tie tight, the advantage of this is that it is clean and not dusty, the line is easy to find, there are small animals in a family Avoid being destroyed.

Eleven, every six months, a large-scale cleaning of the computer, thoroughly remove the internal dirt and dust, especially the chassis, but under the premise of certainty, if you are not familiar with the hardware, it is better to touch it.

Twelve, develop the habit of combining work and rest, do not play computer all night long, the life of the computer is not good, but the damage to the body is greater, the display, the chassis, the mouse and the keyboard are all radiation, on the keyboard The amount of radiation is actually greater.

Thank you for purchasing this high quality HP 403777-001 replacement power supply. We have a rigorous testing process to ensure that the products you order (such as the DELL 05NF18's power supply) function correctly before being packaged and sent to you. Before placing an order, please make sure that the old original part number of DELL 05NF18 psu is listed below and its shape is the same as the image in our power supply.

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