Question SSD randomly is and isn't recognized by PC

Oct 6, 2022
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For some reason, either my boot drive or storage SSD suddenly fail to be recognized by my bios after I added a storage 2TB SATA SSD. On ocassion, the 500GB Boot Drive SSD or the 2TB SSD won't be recognized by the BIOS or Windows. Both won't be recogized at the same time. I have no idea what the problem is. I already checked the power cables and plugged them into 2 seperate power cables just to make sure it's not a power issue. I recently turned the power off twice, the BIOS would only recognize the HDD and one of the two SSD's, never both at the same time. Checked the 500GB boot drive through Samsung Magician. Says it's fine. I just need to get my BIOS and PC to recognize both at the same time without having to worry about my pc all the time.

Edit: The 2TB SSD just came back from a data recovery facility and worked just fine in a ssd dock before I connected it to my pc internally via SATA cable.

My PC Specs are:
CPU: Ryzen 7 2700X
2x8GB Dual Channel DDR4-2133
MOBO: Taichi X470 BIOS P 2.00
500GB Samsung 870EVO SSD
2TB Samsung 870EVO SSD
2 TB 7200 RPM HDD Seagate hybrid drive
GPU: EVGA GEFORCE GTX 1080TI
OS: Windows 10 Pro 64-bit.
Power: Corsair RM850X
 
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Oct 6, 2022
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Thanks! It's pretty cool to be here.

As for my PSU's age, roughly 3 years old. Everything except the two SSD's are about 3 years old.

I'll begin updating the BIOS later today and then try running both drives through SATA instead of having the storage drive in the USB dock. I'll post the results later.

By the way, thanks for the warning about the P4.86 BIOS update.
 
Reactions: Lutfij
Oct 6, 2022
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Alright. Finished updating Taichi X470 BIOS to P4.90. Connected the drive via SATA. BIOS recognizes the HDD and the 2TB SSD, but wont acknowledge the 500GB SSD. SATA and power cables are undamaged.

Edit: I have now begun playing musical chairs with SATA Ports 1-6. If there's a breakthrough, I'll let you know. Forgot to mention that SATA Hot Plug and ASMedia SATA Hot Plug are both enabled. CSM is also Enabled.

Update: Disconneced power for the 2TB SSD. BIOS now acknowledges the 500GB drive and the HDD. If it's a power issue, I'm baffled as to why that's the case. The RM850X should have been enough for the parts I have.
 
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Oct 6, 2022
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Back again with a new finding. If I let the computer boot while the 2TB SSD is disconnected from the power and then plug in the power, the drive appears on Windows as normal. However, since it would be very inconvienient to constantly open and close my desktop's back and fiddle with the plug every time I want to use my PC, this is only a half measure at best.

Edit: Later today, I turned on my PC while the 2 TB SSD and only the HDD was recognized. I had to turn the pc off and on a few times to get the 500GB SSD to appear in the BIOS. Has anyone else ever had something like this happen to their PC? Hoping someone here resopnds, cause I don't want to have to open another account on anoter tech forum or drag my desktop to MicroCenter or some other store to get some answers.
 
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