A hard disk drive (or HDD) is a non-volatile, random access device for storing digital data.

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Why are there so many files in C:\ProgramData\Microsoft\Crypto\RSA\MachineKeys

I am running out of disk space on C:-drive. We see many (millions of) files in C:\ProgramData\Microsoft\Crypto\RSA\MachineKeys What are these files ? Why are so many files created? How can we ...
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0answers
4 views

Extended partition does not start on physical sector boundary on 512e (emulated 4k) hard-drive

My fdisk -l output tells me that my extended partition (sda4) is misaligned. But partitions inside it are aligned (their start sector is divisible by 8). Will the misaligned extended partition somehow ...
0
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0answers
12 views

Are there drawbacks of cache in usb drives?

Background A few years ago I was glad to find out that there is a new flash drive with on-board caching (the SuperTalent Express RAM Cache), which gave it a really neat performance on small files. I ...
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0answers
6 views

Running Virtual Machines on USB 3.0 drives

There are some pretty interesting USB 3.0 drives out there in the 'stick' variety, notably from Corsair and Mushkin. I'm wondering if anyone can attest to the performance of VMs on these drives, of ...
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0answers
13 views

Chkdisk seems to have wiped a drive it shouldn't have

I had a 3TB internal drive on my system (dual Ubuntu 14.04 and Windows 7) and I recently lost it's entire contents. I'm hoping that there is some way of getting it back. I'm including here the events ...
1
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1answer
10 views

Replaced a RAID 10 drive on my Debian server - what do I do next?

I have 4 x 3TB drives in a RAID 10 array. One failed, so is now removed. /proc/mdstat Personalities : [linear] [multipath] [raid0] [raid1] [raid6] [raid5] [raid4] [raid10] md127 : active ...
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0answers
6 views

Installing Debian alongside Windows 8.1 Pro: but on a separate HDD?

I just got my hands on another HDD, and am interested in dual booting Windows 8.1 Pro and Debian Jessie. Anyone got a guide on how to do this or instructions? Also, mods: This isn't the same as just ...
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0answers
8 views

GParted Copy Filesystem really slow

I recently got a new HDD and I am attempting to clone a Windows partition from my old one with GParted (running off live usb). What's bothering me is that GParted has been stuck on copying filesystem ...
0
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0answers
8 views

Invalid system disk message, but no data loss

I built my own computer a about 7 months ago and everything was fine until I was playing game and it blue screened. After it blue screened and I restarted my computer I got a message, "Invalid system ...
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0answers
9 views

Looking for mSATA enclosure to handle 1TB Samsung 840 EVO

Pretext: Hey people. I'm trying to be more flexible with my work and hobbies and I've come to the conclusion that a bootable USB3 SSD drive will work for me. I want to be able to carry it around and ...
4
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1answer
2k views

Significant OS X lag when listing directories/files

I'm experiencing some significant OS X lag when listing directories/files. I originally thought it was purely an issue with Finder, and not the HD or any other part of OS X, however I have since ...
0
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1answer
18 views

How to redirect calls from one hard drive to another in Windows 7?

I'm sharing a database that an app runs on in my dropbox and have symlinked the database from the roaming folder location to the dropbox location. Everything is working great but one thing. The ...
0
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3answers
61 views

Is there any precautions I should take when using an ssd instead of an hdd?

The only thing I'm aware of so far is that you shouldn't defrag a solid state drive or that ruins the life expectancy of it. Is there anything else? What about 3rd party programs like ccleaner. I have ...
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2answers
32 views

My Hard Disk Drive is very slow

This HDD is probably the worst. Windows 8.1 constantly gives me this error DRIVER_POWER_STATE_FAILURE accompanied by the BSOD. After playing games, the BSOD would happen. I looked up on the internet ...
3
votes
2answers
811 views

Hard Disk marked as Unallocated on Windows 7

I had an XP System and I installed Windows 7 on another Hard Disk so now I have a dual boot. However, when I boot windows 7, the hard disk where XP is installed does not always show up. This started ...
4
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2answers
276 views

How do I know if my MacBook Pro supports SATA III?

I have a MacBook Pro that I bought around 2011. How do I know what level of SATA the internal hard drive interface supports? This is the About This Mac: And this is what the SATA section of the ...
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1answer
30 views

Not about programming. Setting up a dual boot system [on hold]

I have some programming requirements where need to code on PHP with MySQL on Linux and implement that on some Windows or Linux desktops & laptops. Can someone tutor me on setting up a dual HDD ...
0
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2answers
22 views

How to identify what type of SATA drive my laptop can take?

I have a 2011ish MacBook Pro. I want to upgrade its hard drive, but I am having trouble identifying: What would be compatible my laptop. For instance, this SSD is SATA III. How do I find out if my ...
0
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2answers
157 views

Clonezilla failing due to check disk

I'm trying to create an image backup of a laptop with Clonezilla. Once all the settings have been chosen and I try to start the process it displays an error stating that the source drive is scheduled ...
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0answers
19 views

Debian Boot Problems: Cannot get back into windows

I am having a sincere problem. I'm not experienced in Linux, but my friend said I should try Debian, so I installed it. This is bugging me because I don't really like it, but I cannot get back to ...
8
votes
3answers
668 views

How to disable kernel probing for drive?

I have samsung laptop with 30GB ExpressCache SanDisk SSD soldered on mainbord. SSD died (gives tons of errors when i try to access it somehow), but it is still probed on kernel boot, i see it's ...
0
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1answer
21 views

Restoring Win7 system drive image from primary hard drive (not CD/DVD)?

I managed to mess up my c:\windows. Windows still runs but many apps fail and after thorough investigation it turned out the system installation is beyond repair (tried sfc and everything else). I do ...
0
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0answers
4 views

How to install OS X on a brand new hard drive? [duplicate]

I have a new hard drive that I want to install into my MacBook Pro circa 2011 or so. Since the hard drive is blank and I have lost the DVD that came with it long ago... how do I install the latest OS ...
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3answers
56 views

How to copy bootable SSD (multiple partitions) to HDD and then to a new SSD?

My 15" late 2013 Retina MBP has a bootable 1TB SSD. I want to back it up to a 1.5TB HDD and then restore it to a (potentially) new bootable 1TB SSD at a later date. Sorry if this has been asked ...
1
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2answers
57 views

How can I clone hidden partitions and restore them exactly on the same drive?

I have a hard drive reporting weak sectors but I don't believe it is damaged, so I want to "Reinitialize disk surface" with Hard Disk Sentinel as proposed in thread. It is an acer laptop with a bunch ...
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2answers
92 views

Options for treating multiple partitions as one

I have an HDD partitioned with one partition used for media files, mounted somewhere on my system (which is a Debian Wheezy box). I would like to expand the space available for files in my mount ...
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0answers
29 views

(How) can I recover a truecrypt partition, or files from it, after deleting it and formating over it?

I had two truecrypt encrypted drives, and I subjected them to this process: With the two drives mounted in truecrypt, I deleted their partitions using Windows 7 Disk Management After dismounting the ...
9
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6answers
7k views

How to fill a hard drive in Linux

I'm doing some testing of a piece of code and I want to fill a hard drive with data. I found that dd can make huge files in an instant, but df disagrees. Here's what I tried: dd if=/dev/zero ...
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5answers
280 views

How do I connect a bunch of laptop hard disks to make a “super” storage disk?

So we have a about 25 laptop hard disks lying around (when we get new laptops, we replace the hard disks with SSDs). What is the best way to use these? Ideally, I'd like to build some kind of disk ...
2
votes
1answer
2k views

Hard drive error - NTFS damaged

I am helping a friend recover data from a computer (lenovo). After what I was told was a hard shutdown, the computer does not get past the system repair screen. (Windows failed to start) Booting off ...
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0answers
22 views

How to copy a volume to external volume with a different filesystem?

I connected an external hard drive to my computer. I want to copy the content of the volume D:\ (NTFS) to the connected hard drive which is labeled by F:\ (FAT32). What is the command to copy from ...
2
votes
2answers
9k views

How to fix NTFS MFT if chkdsk hangs?

Once my external has became too slow I've ran chkdsk /f. And it has found no problems. Next time (in a day approximately) I've ran it it still found no problems in files, indices and security ...
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2answers
40 views

Blue screen when trying to boot from cloned Windows partition

I'm trying to clone a clean Windows installation from SSD partition to HD partition. The problem is every time I try to boot from cloned partition, no matter which disk-cloning software I used, I end ...
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votes
1answer
24 views

How to retrieve data from dead hard disc [duplicate]

i have a hard disc that is completely dead. dead in the sense the hard disc is not even detecting in computer or neither starting. i had data in that hard disc which is important. How can i take ...
0
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1answer
36 views

Remove HDD while the computer is shutdown but sitll plugged in

I have 2 internal HDDs and it happens a lot that I need to unplug one of them or swap the SATA cables to make one or the other 'Master'. what I do now is shutdown/hibernate and unplug the power cord ...
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0answers
15 views

Defragmentation - stuck at high percent, SQL and big file drives

I have a question regarding fragmentation - I am maintaining a couple of SQL and file servers. All of them store their data on D:\ (for SQL server it makes D:\ drive be actually about 10 files, all ...
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0answers
35 views

Why does my PC slow down to a crawl when VMware and ntoskrnl.exe is writing to a data drive?

My PC becomes almost unusable when writing to my data drive. The main suspect which exhibits this issue is VMware Player. The problem does not happen when I myself move files in Windows Explorer or do ...
1
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1answer
51 views

Will corrupted data always show up as corrupted?

I have the important data from my computer backed up on a USB flash drive. I know I probably should have backed it up to DVDs or something as well, but unfortunately, I did not. My computer was having ...
0
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0answers
16 views

SATA external hdd is detected as a removable drive and asks “please insert a disk”

I have external SATA hdd of Samsung 200GB. When i try to connect it to my PC, it's being recognized as a removable Disk and when I click on it, a message of "Please insert a disk to the drive" pops. ...
0
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1answer
44 views

Permissions Error, cannot access both my Ex-HDDs

I'm in quite some trouble now. I'm a photographer and I store all of my important RAW files and processed photographs on my extrernal hard drives and have been doing so for quite a while. A few months ...
2
votes
1answer
4k views

Asus ux31e zenbook SSD non-standard / cant upgrade hdd?

I bought a ux31e asus zenbook, and the drive crashed last week. I just cancelled an mSata ssd order because I fear asus has used a non standard ssd!!! what a bunch of crooks, ive lost all my respect ...
0
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0answers
21 views

2nd Hard Drive appearing as BD Drive in Windows 8.1

I just installed a 2nd hard drive, in a caddy, in my Lenovo Y510p. When I boot back into Windows 8.1, Windows recognizes it as a DVD Drive. Any Ideas?
0
votes
1answer
79 views

What happens during initialization of a bare brand new hard disk?

Do Operating systems handle it differently? Can you tell if a hard disk was first initialized by Windows or Linux on later abduction? Like this https://www.youtube.com/watch?v=O7_aZwQ_p4w After ...
2
votes
2answers
96 views

Laptop won't boot, restarts on its own + black screen

yesterday I was playing on my Win 7 laptop when suddenly my screen went into this colorful faulty state, something of this , though not exactly. And a second after my laptop died starting itself up ...
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votes
5answers
18k views

Good block size for disk cloning with diskdump (dd)

I use dd in its simplest form to clone a hard drive dd if=INPUT of=OUTPUT However, I read in the manpage that dd knows a blocksize parameter. I was wondering whether there is an optimal value for ...
11
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3answers
3k views

4K sectors transition: Why are hard drives moving to 4096 byte sectors, vs. 512 byte sectors?

I've noticed that some Western Digital hard drives are now sporting 4K sectors, that is, the sectors are larger: 4096 bytes vs. the long-standing standard of 512 bytes. So: What's the big deal with ...
3
votes
3answers
2k views

What causes disk check with results of “invalid security id”?

I have a 1.5 TB Seagate hard drive that has triggered a chkdisk twice in the last two months. The first time, windows replaced security id with default security id for file xxx. I allowed it to ...
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0answers
16 views

Raid 5 Degraded

I have a dell PowerEdge T110 with a raid 5 array that says it is degraded. This uses a perc s100 controller. I am using 4 74gb raptor drives for the array. The computer tries to boot but it hangs on ...
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0answers
21 views

If I buy a Surface Pro 3 from best buy in the US and ship it to the UK via UPS, will I still have the 1 year warranty? [on hold]

I can't afford to buy the Surface in the UK and I want to buy it from the US so I can get it a bit earlier, and a bit cheaper (like £160 cheaper). I will use UPS to ship it from best buy in the US to ...
2
votes
2answers
122 views

How can I move a huge directory with MILLIONS of files?

I have a client that knows nothing about computers, and did a format and reinstall from the recovery partition of his old AMD Athlon II X4 desktop running Windows 7. This was his primary business ...