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26-08-2018 #111
Probably the capacitors have gone. Especially if they have just been sitting doing nothing for years. MoBos suffer the same, look at the big electrolytics to see if they are bulging.
Andrei - it looks as though you have a rubbish supply from the pole. You already have an earth fault, maybe you have a poor supply due to a corroded connection.
Clive - is it not possible to put some big caps on the output of the SMPS's. Don't they have quite a wide input voltage range anyway ?Last edited by cropwell; 26-08-2018 at 05:02 PM.
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26-08-2018 #112Clive - is it not possible to put some big caps on the output of the SMPS's. Don't they have quite a wide input voltage range anyway ?..Clive
The more you know, The better you know, How little you know
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27-08-2018 #113
Clive mentioned a toroidal power supply in order to fix the rubbishness of the pole supply. From what I read online, it.s a transformer, a bridge diode and a few caps, with a DC output.
Does this not mean that I.m actually replacing my switching power supplies that came with the cnc kit?
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27-08-2018 #114
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27-08-2018 #115
Hi Rob.
At this point I can only exclude one problem at a time, and each modification requires money in a form or another. Not my favorite approach, but that.s how it is.
I think I just ˇˇresolvedˇˇ the desktop pc, as I did try installing windows xp sp3 x86 on a separate partition, and it failed at first attempt, and then it seemed to go through, and now the pc would not load anymore. I can.t even get into Bios. It loads the first screen, and it stays like this forever. I can press Del for setup and it says it is entering setup but nothing happens, and with Tab the same thing, and f8 for Bbs popup which does nothing as well.
I installed really hard windows 7 as well a while ago. It just failed so many times, but I could repeat the process. Now I can.t. Only dvds seems to work, no usb or sd.
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27-08-2018 #116
which is the boot drive ?
try booting the PC with no drives connected
and see if you can get into the bios
If you can
try connecting the DVD drive and see if it will boot from the windows installation disk
if that works
next try adding the IDE drive
and then the crucial solid state drive
if all 3 drives are connected to the IDE ribbon cables
you can only connect one master and one slave to each cable
it looks like all three drives are set to master !
if you have two master devices on one IDE ribbon cable
that could stop the motherboard from booting and take a very long time to respond to attempts to boot in to the bios
do you have 3 IDE ports ?
JohnLast edited by john swift; 27-08-2018 at 06:58 PM.
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27-08-2018 #117
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27-08-2018 #118
That Mobo has 4 SATA and 1 IDE port. The IDE port will support two devices and I would recommend you use Cable Select on the IDE drives look at this ---- https://support.hp.com/gb-en/document/bph03792 With Cable select the master is the first drive i.e. on the end cable connector and the slave is on the middle connector
SATA does not have that option and I see that the small drive cable tied to the box is SATA.
If you can set up XP on a separate drive, I would recommend it and don't mess about with dual booting. It looks as though you have a corrupt MBR (Master Boot Record).
The Mobo manual is here if you need it https://www.dropbox.com/s/vmr7ucg4kw..._1333.pdf?dl=0Last edited by cropwell; 27-08-2018 at 08:19 PM.
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27-08-2018 #119
this photo lead me to think your PC had IDE drives
connected by a 40 way ribbon cable
your later photo of the motherboard shows the newer (red) SATA cable connected to the solid state drive
as your mother board is the E3363_P5GC-MX_1333
it only has SATA ports
so you can ignore my comment about only having
a master & a slave device connected to a 40 way ribbon cable
just test the motherboard with no drives
then add one drive at a time to see if you have a faulty drive
stopping the board from booting
JohnLast edited by john swift; 27-08-2018 at 11:16 PM.
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28-08-2018 #120
Although the photo does not make it clear, that Motherboard has an Ultra DMA IDE port and from the BIOS start-up screen, it looks as though Andrei has an 80way cable with a HDD and a CD-Rom connected, both plugged up on the jumpers as Masters. As I said CS (cable select) is a safer way to go. If XP has been installed on the SSD, then I would unplug the IDE HDD and see if it boots up. Although you may have to alter boot priority in the BIOS settings.
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