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What is the difference between "DISK" and "CD"

Disks are four kinds

1- floppy disk small space size (1.44 M ) easy damage

2- hard disk big space more fast (HD) from 1.5 GB to 1000 GB ( 1 tera ) easy use ,Difficult damage

3- Compatible Disk cd start size from 200 MB to 8.7 GB, easy use easy move

4- flash disk easy use easy move start size from 32 MB to 32GB (as i see)

wish i'm helpful





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I'm only getting 746 gb out of a new 3 tb internal hard drive


I can think of three possibilities:
  • It was pre-partitioned to that size, and more memory is available for another partiton (or to be added to that one).
  • You accidentally partitioned it to that size when you formatted it.
  • The hd isn't the size you thought.
You can right-click "Computer", click Manage, click left of "Storage" to expand, click "Disk Management". It should show you Disk 0 which is usually your C: drive, what percentage was used, then whether un-formatted/partitioned hd space is available.

Dec 14, 2013 | Western Digital New-3TB SATA 6 Gb/s 3.5 -...

1 Answer

Hi, I have WD 1TB Elements SE. When I checked the usage space on the partition after I plug in the drive, it shows a total capacity as 1,000,200,990,720 bytes (931 GB) and it shows 921,753,505,792 bytes (858 GB) as Used space and 78,447,484,928 bytes (73.0) GB as Free space. Now when I go inside and select all files and folders and right click and check the size of all the selected files it says 590 GB (634,219,110,123 bytes). Can you explain this discrepancy please. I can't understand how it filled upto 858 GB when all the files on the drive total upto only 590 GB. And please don't ask me to format it, I am having it as the last option since I don't have another drive as big as this for a back up and my internal drives are also almost full. Thank you.


If you have a 32bit system, it is expected to have miscalculations, a 32 bits can only go up to 4Gb for calculations (that is, 2^32 = 4'294'967'296 bytes) a 64bit system can make calculations to 2^64 bytes this is also why you couldn't copy a file larger than 4Gb in a 32bit operating system...
So, if you are running a 32bit OS, you should expect a discrepancy for the total space of the Hard Drive and the amount it shows (that's the 93Gb you are missing as total capacity).
Another reason why it can show you incorrect calculations are damaged sectors on the hard drive it-self. These will present themselves either as occupied memory or missing memory.
So, you should expect some miss calculations and you can expect some damaged sectors on the hard disk (a external drive spins on and off too often, eventually damaging sectors... its a problem of physical drives).
In the end, your disk might be fragmented, so run a disk analysis and a defragmentation on the disk so it can recalculate.
A note: A disk is like a shelve, you put things where there is space, if you remove things, that space will be open, and if you want to put something there it has to be the exact size or small enough to fit there. This effect, when things are small enough leaves blank spaces unusable, consuming space on the hard drive and making the access of files slower, this is fragmentation. In order to expand your disk life expectancy you should run defragmentations...
To run a defragmentation, go to START, write "Disk Defragmenter", choose your disk and run and analysis and defragmentation.

Jun 24, 2011 | Western Digital Wd Elements Se 1tb...

1 Answer

I have a 1TB LaCie 2Big Quadra. It has 2 500GB and runs on RAID 1. I replaced both 500 GB LaCie drives with 1.5 TB LaCie drives, but my computer only recognizes the original 500 GB. I formatted both before I began, so I can't really figure out why at least 1.5TB is not available to me.


I have the same problem too on my 2big form lacie . If I use 2x 1,5 tera disk in "fast mode" or in "big mode" my disk manager only shows 746 gigs available (it should be at least 2,5 terra).
If I use "safe mode" so my system can see 1,3 tera available, wich is normal for a raid mirror configuration.
I hope to find a solution quickly.

Dec 13, 2010 | LaCie Big Disk Extreme 500 GB Hard Drive

2 Answers

How big the memory Stick as to be to transfer 12 **** Verbatim 2HD Formatted 1.44 MB how many GB do I need


If you are taking about 12 floppy disks a 1GB USB Flash drive is more than enough. 12 Floppy disks is only 17 Megs far below a 1 GB

Oct 11, 2009 | SanDisk Computers & Internet

1 Answer

Total size is not 80 GB IDE Hard Drive


Hi,

Two possible solutions but both calls for another software/utility.
1. Use FDISK but you should be booting and running in DOS mode;
2. the other is Partition Magic which runs under Windows environment.

The idea is to delete the existing partition (that shows only 31.50Gb) and thereafter re-partition to the full capacity of the drive. of course doing so would erase the contents. Further, a format after the re-partition is required.

Hope this be of initial help/idea. Pls post back how things turned up or should you need additional information.

Good luck and kind regards.

Thank you for using FixYa.

Jun 19, 2008 | Seagate (ST380011A) 80 GB IDE Hard Drive

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