Ext HDD disconects when playing videos.

LLOYD-AF · May 5, 2016

Hello people.

So my external HDD disconnetcs then immediatley reconnects anywhere between 5 minutes and 1 hour when playing videos using Vlc. I have used various usb ports and tested it with my pc and laptop. Used different wall sockets too, Any ideas?

Both pc and laptop using windows 10 and HDD was formatted using windows 8.1.

Thank you.

Lord_Karango17 · May 5, 2016

Seems like a power related issue. Mine do that as well when I have them hooked up to an unpowered usb hub.

It happens because most hard drives/ ssds require more power than usb can deliver, so they will run out of power and disconnect momentarily when under load (such as reading files off it)

Is your hdd powered?

LLOYD-AF · May 5, 2016

5 minutes ago, Lord_Karango17 said:

Seems like a power related issue. Mine do that as well when I have them hooked up to an unpowered usb hub.

It happens because most hard drives/ ssds require more power than usb can deliver, so they will run out of power and disconnect momentarily when under load (such as reading files off it)

Is your hdd powered?

Yeah its powered but now that i think about it im not using the original power adaptor as it was lost when moving house and thats when it started having problems. How should i check what adaptor it needs?

LLOYD-AF · May 5, 2016

5 minutes ago, Lord_Karango17 said:

Seems like a power related issue. Mine do that as well when I have them hooked up to an unpowered usb hub.

It happens because most hard drives/ ssds require more power than usb can deliver, so they will run out of power and disconnect momentarily when under load (such as reading files off it)

Is your hdd powered?

Yeah its powered but now that i think about it im not using the original power adaptor as it was lost when moving house and thats when it started having problems. How should i check what adaptor it needs?

Lord_Karango17 · May 5, 2016

Just now, LLOYD-AF said:

Yeah its powered but now that i think about it im not using the original power adaptor as it was lost when moving house and thats when it started having problems. How should i check what adaptor it needs?

Yeah. Check the voltages and amps required, because having an under powered adapter could be causing the issues.

LLOYD-AF · May 5, 2016

1 minute ago, Lord_Karango17 said:

Yeah. Check the voltages and amps required, because having an under powered adapter could be causing the issues.

Will do.

LLOYD-AF · May 5, 2016

7 hours ago, Lord_Karango17 said:

Yeah. Check the voltages and amps required, because having an under powered adapter could be causing the issues.

So I just checked and my HDD needs 100-240V / 12V / 1.5A, and thats what I'm using. Any other ideas? it only happens when playing videos, I can leave it turned on all day and transfer files etc with no issues.

Lord_Karango17 · May 5, 2016

9 minutes ago, LLOYD-AF said:

So I just checked and my HDD needs 100-240V / 12V / 1.5A, and thats what I'm using. Any other ideas? it only happens when playing videos, I can leave it turned on all day and transfer files etc with no issues.

Does it disconnect when running a benchmark like atto?

LLOYD-AF · May 5, 2016

1 minute ago, Lord_Karango17 said:

Does it disconnect when running a benchmark like atto?

No idea what that is, Does it test disk health?

Lord_Karango17 · May 5, 2016

Just now, LLOYD-AF said:

No idea what that is, Does it test disk health?

Tests speeds, so it will put a greater load on the hdd than playing videos. If it disconnects then, it is likely power related.

LLOYD-AF · May 5, 2016

1 minute ago, Lord_Karango17 said:

Tests speeds, so it will put a greater load on the hdd than playing videos. If it disconnects then, it is likely power related.

Alright, I'll see what happens.

LLOYD-AF · May 5, 2016

12 minutes ago, Lord_Karango17 said:

Tests speeds, so it will put a greater load on the hdd than playing videos. If it disconnects then, it is likely power related.

Below are the results, HDD did not disconnect, So could be an issue with VLC, however I have no issues with other HDD+VLC.

-----------------------------------------------------------------------
CrystalDiskMark 5.1.2 x64 (C) 2007-2016 hiyohiyo
Crystal Dew World : http://crystalmark.info/
-----------------------------------------------------------------------
* MB/s = 1,000,000 bytes/s [SATA/600 = 600,000,000 bytes/s]
* KB = 1000 bytes, KiB = 1024 bytes

   Sequential Read (Q= 32,T= 1) :    25.373 MB/s
Sequential Write (Q= 32,T= 1) :    31.011 MB/s
Random Read 4KiB (Q= 32,T= 1) :     0.356 MB/s [    86.9 IOPS]
Random Write 4KiB (Q= 32,T= 1) :     7.039 MB/s [ 1718.5 IOPS]
         Sequential Read (T= 1) :    40.689 MB/s
        Sequential Write (T= 1) :    34.818 MB/s
   Random Read 4KiB (Q= 1,T= 1) :     0.402 MB/s [    98.1 IOPS]
Random Write 4KiB (Q= 1,T= 1) :     6.273 MB/s [ 1531.5 IOPS]

Test : 1024 MiB [D: 21.0% (586.3/2794.5 GiB)] (x5) [Interval=5 sec]
Date : 2016/05/05 21:38:36
OS : Windows 10 [10.0 Build 10586] (x64)

Lord_Karango17 · May 5, 2016

1 minute ago, LLOYD-AF said:

Below are the results, HDD did not disconnect, So could be an issue with VLC, however I have no issues with other HDD+VLC.

Thats quite odd. power issues are out of the question if it was able to run a benchmark without disconnecting.

Does it happen in any other video playback program?

LLOYD-AF · May 5, 2016

Just now, Lord_Karango17 said:

Thats quite odd. power issues are out of the question if it was able to run a benchmark without disconnecting.

Does it happen in any other video playback program?

Ah this might help diagnose the issue,

         Model : ST3000DM001-1E6166
        Firmware : SC48
   Serial Number : W1F3TJYP
       Disk Size : 3000.5 GB (8.4/137.4/3000.5/3000.5)
     Buffer Size : Unknown
     Queue Depth : 1
    # of Sectors : 5860533168
   Rotation Rate : 7200 RPM
       Interface : UASP (Serial ATA)
   Major Version : ATA8-ACS
   Minor Version : ATA8-ACS version 4
   Transfer Mode : SATA/300 | SATA/600
Power On Hours : 1525 hours
Power On Count : 145 count
     Temperature : 35 C (95 F)
   Health Status : Caution
        Features : S.M.A.R.T., APM, 48bit LBA
       APM Level : 8080h [ON]
       AAM Level : ----

As you can see by the Power on hours its not been used much, if it is about to fail i'm very unlucky.

Lord_Karango17 · May 5, 2016

1 minute ago, LLOYD-AF said:

Ah this might help diagnose the issue,

Health Status : Caution

As you can see by the Power on hours its not been used much, if it is about to fail i'm very unlucky.

It says caution for the health. Try running crystal diskinfo to see what is showing up as an issue. It shouldn't be something to worry about unless it gets bad, as I have some pending relocated sectors on on of my external hdd but it still works as intended.

LLOYD-AF · May 5, 2016

2 minutes ago, Lord_Karango17 said:

It says caution for the health. Try running crystal diskinfo to see what is showing up as an issue. It shouldn't be something to worry about unless it gets bad, as I have some pending relocated sectors on on of my external hdd but it still works as intended.

This means nothing to me so I have pasted the full report, if you could let me know what it means? I would appreciate it alot.

----------------------------------------------------------------------------
CrystalDiskInfo 6.8.1 (C) 2008-2016 hiyohiyo
Crystal Dew World : http://crystalmark.info/
----------------------------------------------------------------------------

OS : Windows 10 [10.0 Build 10586] (x64)
Date : 2016/05/05 21:49:32

-- Disk List ---------------------------------------------------------------
ST3000DM001-1E6166 : 3000.5 GB [1/1/0, sa1] - st

           Model : ST3000DM001-1E6166
        Firmware : SC48
   Serial Number : W1F3TJYP
       Disk Size : 3000.5 GB (8.4/137.4/3000.5/3000.5)
     Buffer Size : Unknown
     Queue Depth : 1
    # of Sectors : 5860533168
   Rotation Rate : 7200 RPM
       Interface : UASP (Serial ATA)
   Major Version : ATA8-ACS
   Minor Version : ATA8-ACS version 4
   Transfer Mode : SATA/300 | SATA/600
Power On Hours : 1526 hours
Power On Count : 145 count
     Temperature : 37 C (98 F)
   Health Status : Caution
        Features : S.M.A.R.T., APM, 48bit LBA
       APM Level : 8080h [ON]
       AAM Level : ----

-- S.M.A.R.T. --------------------------------------------------------------
ID Cur Wor Thr RawValues(6) Attribute Name
01 117 _99 __6 0000071D1688 Read Error Rate
03 _91 _90 __0 000000000000 Spin-Up Time
04 100 100 _20 0000000000CC Start/Stop Count
05 100 100 _10 000000000020 Reallocated Sectors Count
07 _59 _59 _30 0008006C1AA7 Seek Error Rate
09 _99 _99 __0 0000000005F6 Power-On Hours
0A 100 100 _97 000000000000 Spin Retry Count
0C 100 100 _20 000000000091 Power Cycle Count
B7 100 100 __0 000000000000 Vendor Specific
B8 100 100 _99 000000000000 End-to-End Error
BB 100 100 __0 000000000000 Reported Uncorrectable Errors
BC 100 _99 __0 000500050005 Command Timeout
BD _97 _97 __0 000000000003 High Fly Writes
BE _63 _43 _45 013125170025 Airflow Temperature
BF 100 100 __0 000000000000 G-Sense Error Rate
C0 100 100 __0 000000000083 Power-off Retract Count
C1 100 100 __0 0000000004D6 Load/Unload Cycle Count
C2 _37 _57 __0 000C00000025 Temperature
C5 100 100 __0 000000000048 Current Pending Sector Count
C6 100 100 __0 000000000048 Uncorrectable Sector Count
C7 200 200 __0 000000000000 UltraDMA CRC Error Count
F0 100 253 __0 8BC6000002AA Head Flying Hours
F1 100 253 __0 0001E0828BB0 Total Host Writes
F2 100 253 __0 00008125F5CA Total Host Reads

-- IDENTIFY_DEVICE ---------------------------------------------------------
0 1 2 3 4 5 6 7 8 9
000: 0C5A 3FFF C837 0010 0000 0000 003F 0000 0000 0000
010: 2020 2020 2020 2020 2020 2020 5731 4633 544A 5950
020: 0000 0000 0000 5343 3438 2020 2020 5354 3330 3030
030: 444D 3030 312D 3145 3631 3636 2020 2020 2020 2020
040: 2020 2020 2020 2020 2020 2020 2020 8010 4000 2F00
050: 4000 0200 0200 0007 3FFF 0010 003F FC10 00FB 0010
060: FFFF 0FFF 0000 0007 0003 0078 0078 0078 0078 0000
070: 0000 0000 0000 0000 0000 0000 840E 0004 004C 0040
080: 01F0 0029 346B 7D09 4163 3469 BC09 4163 407F 00A4
090: 00A4 8080 FFFE 0000 D000 0000 0000 0000 0000 0000
100: A3B0 5D50 0001 0000 0000 0000 6003 0000 5000 C500
110: 6AD1 AE8D 0000 0000 0000 0000 0000 0000 0000 401E
120: 401C 0000 0000 0000 0000 0000 0000 0000 0021 A3B0
130: 5D50 A3B0 5D50 2020 0002 0140 0100 5000 3C06 3C0A
140: 0000 003C 0000 0008 0000 0000 05FF 0280 0000 0000
150: 0008 0000 0000 0000 0000 0000 0000 0000 5800 8800
160: 0000 0000 0000 0000 0000 0000 0000 0000 0002 0000
170: 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000
180: 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000
190: 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000
200: 0000 0000 0000 0000 0000 0000 3081 0000 0000 4000
210: 0000 0000 0000 0000 0000 0000 0000 1C20 0000 0000
220: 0000 0000 1020 0000 0000 0000 0000 0000 0000 0000
230: 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000
240: 0000 0000 0000 0003 0000 0000 0000 0000 0000 0000
250: 0000 0000 0000 0000 0000 60A5

-- SMART_READ_DATA ---------------------------------------------------------
+0 +1 +2 +3 +4 +5 +6 +7 +8 +9 +A +B +C +D +E +F
000: 0A 00 01 0F 00 75 63 88 16 1D 07 00 00 00 03 03
010: 00 5B 5A 00 00 00 00 00 00 00 04 32 00 64 64 CC
020: 00 00 00 00 00 00 05 33 00 64 64 20 00 00 00 00
030: 00 00 07 0F 00 3B 3B A7 1A 6C 00 08 00 00 09 32
040: 00 63 63 F6 05 00 00 00 00 00 0A 13 00 64 64 00
050: 00 00 00 00 00 00 0C 32 00 64 64 91 00 00 00 00
060: 00 00 B7 32 00 64 64 00 00 00 00 00 00 00 B8 32
070: 00 64 64 00 00 00 00 00 00 00 BB 32 00 64 64 00
080: 00 00 00 00 00 00 BC 32 00 64 63 05 00 05 00 05
090: 00 00 BD 3A 00 61 61 03 00 00 00 00 00 00 BE 22
0A0: 00 3F 2B 25 00 17 25 31 01 00 BF 32 00 64 64 00
0B0: 00 00 00 00 00 00 C0 32 00 64 64 83 00 00 00 00
0C0: 00 00 C1 32 00 64 64 D6 04 00 00 00 00 00 C2 22
0D0: 00 25 39 25 00 00 00 0C 00 00 C5 12 00 64 64 48
0E0: 00 00 00 00 00 00 C6 10 00 64 64 48 00 00 00 00
0F0: 00 00 C7 3E 00 C8 C8 00 00 00 00 00 00 00 F0 00
100: 00 64 FD AA 02 00 00 C6 8B 02 F1 00 00 64 FD B0
110: 8B 82 E0 01 00 00 F2 00 00 64 FD CA F5 25 81 00
120: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
130: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
140: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
150: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
160: 00 00 00 00 00 00 00 00 00 00 00 00 48 02 00 73
170: 03 00 01 00 01 FF 02 58 01 00 00 00 00 00 00 00
180: 00 00 00 00 A0 01 00 00 00 09 09 09 09 09 09 09
190: 09 00 00 00 00 00 00 00 00 01 00 00 00 00 00 00
1A0: 00 00 00 00 00 00 00 00 05 30 8D 26 FF 04 00 00
1B0: 00 00 00 00 01 00 61 00 B0 8B 82 E0 01 00 00 00
1C0: CA F5 25 81 00 00 00 00 00 00 00 00 00 00 00 00
1D0: 00 00 00 00 00 00 00 00 36 1D 00 00 01 00 00 00
1E0: 00 00 00 00 40 88 02 00 00 00 00 00 00 00 00 02
1F0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 2B

-- SMART_READ_THRESHOLD ----------------------------------------------------
+0 +1 +2 +3 +4 +5 +6 +7 +8 +9 +A +B +C +D +E +F
000: 01 00 01 06 00 00 00 00 00 00 00 00 00 00 03 00
010: 00 00 00 00 00 00 00 00 00 00 04 14 00 00 00 00
020: 00 00 00 00 00 00 05 0A 00 00 00 00 00 00 00 00
030: 00 00 07 1E 00 00 00 00 00 00 00 00 00 00 09 00
040: 00 00 00 00 00 00 00 00 00 00 0A 61 00 00 00 00
050: 00 00 00 00 00 00 0C 14 00 00 00 00 00 00 00 00
060: 00 00 B7 00 00 00 00 00 00 00 00 00 00 00 B8 63
070: 00 00 00 00 00 00 00 00 00 00 BB 00 00 00 00 00
080: 00 00 00 00 00 00 BC 00 00 00 00 00 00 00 00 00
090: 00 00 BD 00 00 00 00 00 00 00 00 00 00 00 BE 2D
0A0: 00 00 00 00 00 00 00 00 00 00 BF 00 00 00 00 00
0B0: 00 00 00 00 00 00 C0 00 00 00 00 00 00 00 00 00
0C0: 00 00 C1 00 00 00 00 00 00 00 00 00 00 00 C2 00
0D0: 00 00 00 00 00 00 00 00 00 00 C5 00 00 00 00 00
0E0: 00 00 00 00 00 00 C6 00 00 00 00 00 00 00 00 00
0F0: 00 00 C7 00 00 00 00 00 00 00 00 00 00 00 F0 00
100: 00 00 00 00 00 00 00 00 00 00 F1 00 00 00 00 00
110: 00 00 00 00 00 00 F2 00 00 00 00 00 00 00 00 00
120: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
130: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
140: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
150: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
160: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
170: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
180: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
190: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
1A0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
1B0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
1C0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
1D0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
1E0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
1F0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 FD

scottyseng · May 6, 2016

@LLOYD-AF

You have quite a few uncorrectable sectors (48 in hex = 72 failed sectors). See if the number increases over time. The drive is starting to fail. I think maybe it's failing over a particular section of the drive. I would also take a listen to the drive to see if you hear any loud clicks or skipping. My 8 year old WD black started to die and it would get roughly 4-10 uncorrectable sectors per few hours (It also made a clicking noise).

LLOYD-AF · May 6, 2016

3 hours ago, scottyseng said:

@LLOYD-AF

You have quite a few uncorrectable sectors (48 in hex = 72 failed sectors). See if the number increases over time. The drive is starting to fail. I think maybe it's failing over a particular section of the drive. I would also take a listen to the drive to see if you hear any loud clicks or skipping. My 8 year old WD black started to die and it would get roughly 4-10 uncorrectable sectors per few hours (It also made a clicking noise).

Ill keep an eye on it. No clicking noise yet. Ive not used the drive that much so im pretty annoyed its already failing.

Edit : is this the part I should be tracking ?

C5 100 100 __0 000000000048 Current Pending Sector Count
C6 100 100 __0 000000000048 Uncorrectable Sector Count

Lord_Karango17 · May 6, 2016

1 hour ago, LLOYD-AF said:

Ill keep an eye on it. No clicking noise yet. Ive not used the drive that much so im pretty annoyed its already failing.

Edit : is this the part I should be tracking ?

C5 100 100 __0 000000000048 Current Pending Sector Count
C6 100 100 __0 000000000048 Uncorrectable Sector Count

Yep. Since you said your drive was fairly new, it might just have started to get these issues when the disconnecting started. Bit unusual that it would have these issues for being so young, but either way keep an eye on it from time to time to see if it goes up.

In my case one of my external drives had a few pending relocated sectors and it would only show up when I was trying to copy files off the drive, and the transfer cam across that certain sector.

scottyseng · May 6, 2016

2 hours ago, LLOYD-AF said:

Yep, you want to look at those two.

Yeah, that sucks. I usually run a drive test on every drive I buy to make sure it's not DOA...or has a bad sector. From the sounds of it, I think your drive has a certain part of it that is bad, so when the drive tries to go over it, it crashes. I'm guessing it survived Crystal Disk because it didn't use that specific part of the drive that's damaged.

But yeah, I would keep a eyes on it. What model is the drive? I would also advise backing up the stuff from the drive...I would not run the risk with any important data.

LLOYD-AF · May 6, 2016

3 hours ago, scottyseng said:

Yep, you want to look at those two.

Yeah, that sucks. I usually run a drive test on every drive I buy to make sure it's not DOA...or has a bad sector. From the sounds of it, I think your drive has a certain part of it that is bad, so when the drive tries to go over it, it crashes. I'm guessing it survived Crystal Disk because it didn't use that specific part of the drive that's damaged.

But yeah, I would keep a eyes on it. What model is the drive? I would also advise backing up the stuff from the drive...I would not run the risk with any important data.

In the future I will run tests and return it if needed. Link for the drive below

http://www.amazon.com/Seagate-Backup-Desktop-External-STCA3000101/dp/B00829THQE

scottyseng · May 6, 2016

2 hours ago, LLOYD-AF said:

In the future I will run tests and return it if needed. Link for the drive below

http://www.amazon.com/Seagate-Backup-Desktop-External-STCA3000101/dp/B00829THQE

Yeah, I wonder what would happen if you ran the tests now though (Of course get your data off of the drive first).

For Seagate, you need Seatools. Run the Long Generic test:

http://www.seagate.com/support/downloads/seatools/

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Ext HDD disconects when playing videos.

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