PC keeps turning off during booting.

MrJohnSherry

MrJohnSherry

MrJohnSherry

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Joined
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Northern Ireland
Recently I had to change my power supply, fitted it, and got it all set up for the components. When I tried to boot it however, it gets as far as 'Starting Windows' then the PC will just turn off. Initially it would constantly restart and restart in a constant loop until I turned it off at the wall or on the power supply switch. The weird part is, if I leave it for half an hour or so it will usually always reach 'Starting Windows' but if I tried straight after it turns off it won't make it that far before turning off.

At my wits end here, tried everything, checked the connections, disconnected all the components one by one to see if it's a memory fault or something, same thing - except it will be accompanied by beeps. Replaced the thermal paste on the CPU incase it was overheating and no luck.

Any ideas? I don't have a volt checker to check the PSU.
 
Jamin280672 said:
Which PSU ? Whats your setup ? believe it or not, the was a phase not so long ago where certain power supplies were not fully compatible with certain hardware, and from your description, I would say straight away that the new PSU is letting you down, Windows boot process is actually quite stressful on the system and in effect is quite a good test in the beginning for overclockers, everything in your machine is hard at work, CPU, RAM, Motherboard, Hard drives, PSU etc.....
Click to expand...

It's not an overclocked system, just a friend's who stopped working. It completely blew out a 750 power supply but from the set up I was advised a 500 would work. It has 8gb Ram, a Sapphire RX 560 Pulse 4Gb, a 260 SSD and an i5 running at 3.6, can't remember the number at the moment, could report back in a day or two with that if required.
 
The new one is just a non-modular ******** 500w, the old one is a Alpine Switching Mode 750w,think the model number is JSP-750P12P. Sorry for the late reply guys, been a really busy day lol
 
Cheers guys, sorry I am only replying now, been extremely busy! Thought the PSU may be the problem, but as I am completely oblivious to what I should be looking for (never had to change one before) can you guys recommend me some? Cheers!
 
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