Reinstall win 10

[#1]

Is it a modular type PSU? Got a model number?

[#2]

No it's not modular. It's a corsair vs450 remanufactured

[#3]

Assuming the PSU and major bits are OK, do the individual connectors such as SATA power etc look OK?

Also no possible shorts or overloaded 4 pin Molex style connectors?

[#4]

@penfold

I am curious as to why you didn't buy a new PSU. The VS450 is just £35 on Amazon.

Dave

[#5]

The refurb unit was a good price, and from a reputable manufacturer. No matter now. I have RTM the unit and bought new, an EVGA unit for a good price, on offer at scan.

[#6]

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@penfold wrote:
The refurb unit was a good price, and from a reputable manufacturer.

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In the context of computer equipment, "refurbished" means second hand and briefly checked to see if it still works.  If your PSU took 30 seconds to fail then that may be too long to be caught by the check.

[#7]

Yeah. Well learn by experience, however think I may have located the issue, a schoolboy error....... I completely dismantled the system, and noted that 1 motherboard standoff was in the wrong position. When I built it up, I noted 1 screw hole not used, but assumed it was spare, as I didn't see a standoff for it. Very annoyed with myself, as I have built plenty of systems in my time. Dosnt explain why psu was cutting out my sons though.... Anyhow removed and put this standoff on correct position. No obvious damage by sight to mobo, but will find out.....

[#8]

Dosnt explain why psu was cutting out my sons though.

I have to agree. Though I'd of thought the PSU would have short circuit protection, so even if the new MOBO was shorting it out, I'd expect it to have worked in your sons. If it doesn't have short circuit protection then it's possible a capacitor or two (or other electrickery) might not have liked it.

Got to admire your honesty, many wouldn't have 'fessed up'.

(and yes, I'd let on if I'd done the same)

[#9]

Maybe the BIOS initiated the shutdown, causing the PSU to switch off?

Some protection mechanism must have been invoked, somewhere...

[#10]

We will see. Rebuilding it all tomorrow so fingers crossed.....

[#11]

Rebuilt and all OK. Stays on.... Now to reinstall 10😕😕

[#12]

As we thought earlier then, as it didn't work in both PC's (and now you've sorted the MOBO), the new PSU is working, so hows the install of W10 going/gone?

[#13]

Not getting anywhere it refuses to boot from the dvd drive. The drive just flashes. Tried a different drive still the same. Managed to boot the old install ftom the hdd, and the files are readable but you can't do a clean install from within 10 I don't think . Making a USB boot disk now.

[#14]

From the bios screen, have you altered the boot order?

(as you're making a bootable USB, make sure you open the files and then move them to USB, if you put the main file on only, it won't (IIRC) boot from it until you open that file and then put that content (various files) on it)

[#15]

It's installed..... Fiddled in bios, and followed instructions on Internet, for some cpu settings that were not enabled. Bears me why it wouldn't boot, but it did eventually and installed 10 v1809 without a hitch, all drivers installed just fine. Just need to connect to Internet now, do updates etc, install the apps he wants and reinstate his files.
What a faff this has been. Never had so much trouble with building a pc.