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Re: diagram to install new motherboard
If you are putting in a new motherboard, the wiring may be different from your old one anyway.
It's an easy project wiring up the board, just follow instructions in the manual and you will see the connectors on the wires are labelled HDD LED, POWER etc, so just look in the manual.
If no manual find the make of mobo and come back.
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Luckily that is pretty easy with modern motherboards.
1. Remove power and unplug all devices hooked to computer. 2. Open case. 3. Write down the location and orientation of all wires connecting to old motherboard. 4. Disconnect all wires from the case that are plugged into old motherboard. 5. Uncrew the screws holding the motherboard in the case. 6. Carefully remove old motherboard. 7. Install new motherboard and secure it to the case (probably using the same screws as the old MB) 8. Refer to diagram you made earlier to plug in all the wires to the proper places in the new motherboard. 9. Check and make sure the new motherboard works before closing the case. 10. If everything is working correctly, close up the case and you are done.
Shooting from the hip here, but look at both the new and old wiring diagrams. Chances are that the new unit has terminal leads that would connect to the old units' relay/control box and you simply need to install the old box on the new A/C by connecting to the correct terminals. beyond that, you can build your own relay setup if you understand wiring diagrams. If you don't know wiring, I'd recomend taking to an RV shop, as you can damage either the A/C or the furnace or both if wired incorrectly... Hope this helped!
You don't need a wiring diagram. Just pay close attention to where things are plugged in while the old power supply is still in the computer once you remove the case. There are only a few connections and some of them will only fit in the correct slot on the motherboard. For example, the main power to the motherboard will be the largest connector, then you will have a connector to the hard drive, the dvd/cd drive, etc. What you could do it take a piece of masking tape and and fine tip marking pen such as a Sharpie and write where that wire is being plugged into the motherboard. Then when you remove it and put the new power supply in, just refer to where the plugins go based on what you marked on the old plugins. There will also be some plugins that go nowhere. They are there for future expansions and upgrades that you might do.
This model (as well as many other Dell desktops) has a DUAL SPEED CPU fan. If the motherboard detects that the CPU temp is running hot it will increase the speed of the CPU fan to lower the temp of the CPU. You should do a Google search for the correct CPU fan and purchase it and install it back into your computer.
on the motherboard if there is the pin setup section that you plug them into it will indicate what each pin is for. it may not be the same as your old one but will be basicaly the same setup with + & - connections for the hard drive light ,power light , power on/off, speaker ect...
the +/- wires don;t really mater ! but as a general rule, the writing on the cable connectors should be facing you !
i don;t realy understand what u don;t understand, it-s easy, u guide u're self from the diagram on the motherboard (the one u tried to draw) (in the first raw on the left u put the power led cable, under it the reset cable .....)
there is no problem if u get them wrong, u can't damage anyting, so u can try until u get them right
may be the RAM of the computer is decreased during transfer withput ur knowledge . u know what was the previous amount of RAM ur computer had and check in system properties if the same squantity of ram is available . this may have slow don the sytem , try to remove unwanted starup options also