Was this when the PSU was tested outside of the case?THe PSU fan runs constantly with power. There is high pitched constant sound as well.
A high pitched noise is normally caused by bad bearings and is never a good sign.
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Was this when the PSU was tested outside of the case?THe PSU fan runs constantly with power. There is high pitched constant sound as well.
The PSU shows all the hallmarks of being ready to snap, crackle and then pop, replace it now before it causes serious damage - if it hasn`t already that is.Please be aware that there are no user replaceable parts in a PSU so a bad one should be disposed of in a responsible manner and any type of conclusive testing will need to be done by a suitably trained Tech who has the required testing equipment and the relevant knowledge as to how to use it.
Before purchasing a new PSU it is advisable that you measure the dimensions of the present PSU and ensure that the new PSU has the correct power connections for the MB, HDDs, optical drives, FDDs or add on cards such as a video card if one is fitted.
Best couple of suggestions I can make would be first remove the MB and do a barebones set-up on a piece of cardboard (make sure it is larger than the MB) only connect the PSU, the GFX card, screen, 1 stick of Ram and the keyboard.
IF your MB doesn`t have a power test switch you will then need to short out the 2 power on pins on the MB header to get the PSU to activate (see attachment below) you can use a small flat bladed screwdriver or a paper clip bent into a U shape, this is perfectly safe if you do not touch anything else, the idea is to see if we can get a BIOS screen if you do you can then add one component at a time until you find the problem component, you must power down and remove the power cord from the wall before adding another component, second suggestion try a known good working PSU, it is not unknown for new/replacement components to be bad,third suggestion try and loan an ordinary PCI graphics card (not pci-e) again to try and get a BIOS screen.
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