[SOLVED] SSD bad CrystalDiskMark results

Mar 31, 2019
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Hey everyone, I've solved a lot of my doubts about computer problems in general with this forum in the past but this is my first ever post since I couldn't figure what's going on just by searching others' posts.

Back in 2015 I bought a Lenovo Y50 laptop that was defective and it was RMA'd. Lenovo eventually sent me a brand new laptop and with it the SSD from the defective laptop because why not. Later on I built a desktop and decided to use that SSD as my C drive. The model is MZ7TE512HMHP-000L2. This is a Samsung 512Gb drive that I believe to be similar to a 840 EVO. This desktop has always been sort of slow on boot but recently it's taking 4+ minutes so you can actually log in and start doing anything. In an attempt to fix this slow boot I decided to check how that SSD was performing for the first time ever so I downloaded CrystalDiskMark and it shows horrible results:

hyjkJjk.jpg


My build is as follows:
OS: Windows 10 Education
Mobo: MSI Z170M mortar
CPU: i5 6500
RAM: 16Gb DDR4 2400MHz
GPU: Asus GTX 970 Turbo

I can't use Samsung Magician to see if there's any firmware updates for it because it is an OEM device so it's not supported by Samsung. Looked on the Lenovo page for drivers for the Y50 and there's nothing related to storage. Device manager says it's up to date. What can cause these low results? Any recommendations on what to do? The boot was super fast on the defective Y50 with this SSD in it.

Thanks in advance
 
Solution
Are you positive it is a SSD that is in the laptop? Those speeds are more along with a normal Laptop HDD around that time.

Right click on the start menu and go to device manager
Expand the top tree ( arrow Next to computer name) if not already expanded. Then expand the Disk Drives. Post the name of it here just to double check is all.

Also download and install Crystal Disk Info as that will give you actual smart status, drive type, serial numbers ect of the drive installed. Post a pic of that as well.
Are you positive it is a SSD that is in the laptop? Those speeds are more along with a normal Laptop HDD around that time.

Right click on the start menu and go to device manager
Expand the top tree ( arrow Next to computer name) if not already expanded. Then expand the Disk Drives. Post the name of it here just to double check is all.

Also download and install Crystal Disk Info as that will give you actual smart status, drive type, serial numbers ect of the drive installed. Post a pic of that as well.
 
Solution
Mar 31, 2019
3
1
15
Thanks for the reply, sorry if the first post was confusing. This SSD is in the Desktop I described in the build, it is from a defective Lenovo Y50 Laptop (the defect had nothing to do with the SSD). The name of the storage device in Device Manager is "SAMSUNG MZ7TE512HMHP-000L2", this is an OEM SSD based on the 840 EVO retail version. Here's the CrystalDiskInfo Screenshot:

WbpIzW7.jpg


See how it shows the SSD being Drive E:? For Windows and CrystalDiskMark the SSD is Drive C:, I just ran the test again in CrystalDiskMark using drive E: and I got normal results:
JD4wtQe.jpg


Gonna have to trace my slow boot elsewhere. Thanks!
 
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CHeck admin tools/ computer mngmt/storage/disk mngmt noting, capacity of assorted drives....

Click on assorted drives (Drive 1,2, etc below) , noting within properties the manufacturer of said drive...

It would seem as though (based on CrystalDiskMark) you might still be booting off of the slow drive, and that the SSD was merely added as an additional drive, based on those CrystalDiskMark results? Perhaps you cloned the drive, but, are still booting from the spinning drive, and merely need to select the faster SSD drive within BIOD/boot device priority?

What does "THis PC" show as the size of your C: drive? Does it match the SSD's capacity? or that of your old spinning dive (can be confusing when both are exactly 500 GB , etc..)
 
Mar 31, 2019
3
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Yep, @mdd1963 you are right, the drives being the same size deceived me and I've been booting from an HDD for 2 1/2 years. I feel pretty dumb right now. Guess this slow boot never bothered me until I sold my laptop and started using this desktop more. Thanks for pointing out the obvious I had failed to see.