Question Disks visible in BIOS but not anywhere else

[overtightened]

I recently upgraded my pc (HP Pavilion 590-p0063na) with a new 500W PSU (L05757-800) and gpu RX 6600 XT. Last PSU was 180W.

The main issue is that I can't boot to windows and both my 1 TB HDD and 1TB SSD are not working anymore. More specifically, when plugged into a 2nd working pc, neither is recognised as a disk and when I tried to use Media Creation Tool to reinstall windows, it couldn't find a working disk. However, UEFI BIOS is able to see both, and quick diagnostics report them as PASSED.

PC has been going into Auto repair mode for maybe 2 years, but it always gave me the option to boot into widnows (which it doesn't anymore). After the new PSU install, it was fine at first boot, but then after a couple times went into a black disc repair screen. The first one took a minute or two and booted fine, even tests of the discs were good (samsung magician and CrystalDiskMark), no abnormalities. However, the second repair screen was the last time I saw my windows screen. It took an hour and shut off the pc. After that, the second pc wasn't able to see the discs anymore. I have since tried to use my old PSU with no success.

I am not sure if the new PSU kill the discs with the higher wattage (though the hdd does still spin and vibrate when connected, for what it's worth). Are the discs gone forever with my data, or does the fact that they are still recognised by bios and pass tests mean there's hope?

Would sincerely appreciate any help as I have been stuck with a dead pc for a number of days now, not knowing what else to try.

 

[rgd1101]

how full is the ssd and hdd?

, neither is recognised as a disk

not see them in device manager?

 

[overtightened]

SSD was maybe 70% and hdd around 50. Definitely not anywhere close to being full. They do not show up in neither device or disk manager. I checked under every tab in device manager and nothing.

 

[rgd1101]

how the hdd and ssd getting power? from the motherboard or directly from psu?

 

[overtightened]

from motherboard, hp's psu has 2x 4pin connectors and single 7pin connector, if that's of any use.

 

[davyonetobin]

If the power supply has enough 4 pin connectors for the drives (whether ssd or hdd) then use them to power the drives not motherboard. Obviously sata cables are drives to motherboard but power should be PSU to drives not via motherboard as they may not get power or not enough

 

[overtightened]

Psu's 4pin are shaped in a square formation while drives need them all in a line. It wouldn't fit. That's if I understood your reply correctly.