How can I erase Disk space setup for Bootcamp??

Hey I have a question. I was trying to setup Bootcamp with Windows XP. Everything was great and was doing step by step fine. When it ask how much space I wanted to put apart for the windows I put around 48GB and it was named DISKOS4. Then I change my mind and took XP out. Now I have this DISKOS4 with 48GB and want it back on the MAC. How can I erase this disk??

Use the Boot Camp Assistant or Disk Utility to return the drive to a single partition setup.
(50647)

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How can I calculate disk space/DB space and storage spaces.

Hi all,
How can I calculate space clauses and memory related parameters for tables and table spaces? Updation is not allowed in these tables.
I have to create a database also.
I expect a reply with examples.
[email protected]
[email protected]
Thanks for all replies .

Boby,
The formula to estimate the storage parameters for tables and indexes are the following:
Table size = db block size * (# of Estimated rows in 12 months * average row length)/(db block size-90) *(1-PCTFREE/100)
Let assume that you want to create a table called Jose_tab,
db block size = 4092
Estimated row length in 12 months = 1000
Average row len = 100
PCTFREE(Updation is not allowed) = 0
Then, your INITIAL storage parameter will be estimated as follows:
4092*1000*100
(4092-90)*(1-0/100)
= About 10M
Your create table command will look like this,
CREATE TABLE jose_tab
(col1 VARCHAR2(10), col2 NUMBER(2),
....coln VARCHAR2(100))
STORAGE(INITIAL 10M NEXT 10M
PCTINCREASE 0)
PCTFREE 0 PCTUSED 80
TABLESPACE tablespace_name;
Storage parameters for tablespace depends on the amount of disk space available. You can ignore tablespace storage parameters since the size of the tablespace is determined by the size(s) of the data files. Refer to the DBA manual for details.
John

How can i recover a lost password for bootcamp?

I forgot my password for my bootcamp drive it's taking up 200gb of my HD, how can I recover it? Macbook Pro running Mountain Lion

Boot Camp is not an App, it does nothing except create a partition for Windows to be installed in. Windows does have a password.
I know of no way to recover a Boot Camp password (because there isn't one) If it is the Windows password then Microsofts forums will probably be better for Windows problems.
Can you boot to OSX?

How can I erase My hard drive. Disk utility only gives me the option of erase free space. I have 27in iMac with Lion and 12 gb ram.

How can I erase my hard drive? Disk utility only gives me the option to erase free space.
Thanks for any assistance.

Drive Preparation for Lion
1. Restart the computer and after the chime press and hold down the COMMAND and R keys until the menu screen appears. Alternatively, restart the computer and after the chime press and hold down the OPTION key until the boot manager screen appears. Select the Recovery HD and click on the downward pointing arrow button. Select Disk Utility from the main menu and click on the Continue button.
2. After DU loads select your hard drive (this is the entry with the mfgr.'s ID and size) from the left side list. Note the SMART status of the drive in DU's status area. If it does not say "Verified" then the drive is failing or has failed and will need replacing. SMART info will not be reported on external drives. Otherwise, click on the Partition tab in the DU main window.
3. Under the Volume Scheme heading set the number of partitions from the drop down menu to one. Click on the Options button, set the partition scheme to GUID then click on the OK button. Set the format type to Mac OS Extended (Journaled.) Click on the Partition button and wait until the process has completed.
4. Quit DU to return to the main menu.
5. Select Reinstall Lion then click on the Continue button. You need an active network connection in order to download the Lion software.

HT201364 How can i free up space on my startup disk to install OS X Mavericks?

How can i free up space on my start up disk to install the OS X Mavericks software?

For information about the Other category in the Storage display, see this support article.
Empty the Trash if you haven't already done so. If you use iPhoto, empty its internal Trash first:
iPhoto ▹ Empty Trash
Then reboot. That will temporarily free up some space. Do the same in other applications, such as Aperture, that have an internal Trash feature.
According to Apple documentation, you need at least 9 GB of available space on the startup volume (as shown in the Finder Info window) for normal operation. You also need enough space left over to allow for growth of your data. There is little or no performance advantage to having more available space than the minimum Apple recommends. Available storage space that you'll never use is wasted space.
If you're using Time Machine to back up a portable Mac, some of the free space will be used to make local snapshots, which are backup copies of files you've recently deleted. The space occupied by local snapshots is reported as available by the Finder, and should be considered as such. In the Storage display of System Information, local snapshots are shown as Backups. The snapshots are automatically deleted when they expire or when free space falls below a certain level. You ordinarily don't need to, and should not, delete local snapshots yourself.
See this support article for some simple ways to free up storage space.
You can more effectively use a tool such as OmniDiskSweeper (ODS) to explore your volume and find out what's taking up the space. You can also delete files with it, but don't do that unless you're sure that you know what you're deleting and that all data is safely backed up. That means you have multiple backups, not just one.
Deleting files inside an iPhoto or Aperture library will corrupt the library. Any changes to a photo library must be made from within the application that created it. The same goes for Mail files.
Proceed further only if the problem isn't solved by the above steps.
ODS can't see the whole filesystem when you run it just by double-clicking; it only sees files that you have permission to read. To see everything, you have to run it as root.
Back up all data now.
If you have more than one user account, make sure you're logged in as an administrator. The administrator account is the one that was created automatically when you first set up the computer.
Install ODS in the Applications folder as usual. Quit it if it's running.
Triple-click anywhere in the line of text below on this page to select it, then copy the selected text to the Clipboard by pressing the key combination command-C:
sudo /Applications/OmniDiskSweeper.app/Contents/MacOS/OmniDiskSweeper
Launch the built-in Terminal application in any of the following ways:
☞ Enter the first few letters of its name into a Spotlight search. Select it in the results (it should be at the top.)
☞ In the Finder, select Go ▹ Utilities from the menu bar, or press the key combination shift-command-U. The application is in the folder that opens.
☞ Open LaunchPad. Click Utilities, then Terminal in the icon grid.
Paste into the Terminal window (command-V). You'll be prompted for your login password, which won't be displayed when you type it. You may get a one-time warning to be careful. If you see a message that your username "is not in the sudoers file," then you're not logged in as an administrator.
The application window will open, eventually showing all files in all folders, sorted by size with the largest at the top. It may take a few minutes for ODS to finish scanning your files.
I don't recommend that you make a habit of doing this. Don't delete anything while running ODS as root. If something needs to be deleted, make sure you know what it is and how it got there, and then delete it by other, safer, means. When in doubt, leave it alone or ask for guidance.
When you're done with ODS, quit it and also quit Terminal.

I want to give away or sell a 6500/250 running 7.6.1. How can the hard disk be erased so that the data are gone, not recoverable? thanks, LifeisRich

I want to give away or sell a 6500/250 running 7.6.1. How can the hard disk be erased so that the data are gone, not recoverable? thanks, LifeisRich

I'd recommend that you check for Mac User Group(s) in Orange County. That's where you'd likely find a diehard Mac fanatic who might want to add your 6500 to his/her collection. Even if you got nothing for it, it would be better than e-cycling it. I upgraded my 6500/275 with what was a "large" hard drive at the time (15 GBs), maxed the memory at 128 MBs, installed the 512K L2 cache card, a better ATI Rage Pro PCI graphics card, a USB PCI card, and an internal 56K modem. With it running OS 9.1, it did all of the pre-OS X stuff I needed it to do. As I previously mentioned, it's a nice-sounding MP3 player. Internet Explorer 5.1.7 (the final release from 2001) kept it useful for surfing the web up until 2005, when it became too outdated/incompatible with many web sites. Unfortunately, the demands of the internet and the need for a modern browser, as well as faster processing to digest it all, are what retired many older Macs from active duty. So my (2) 6500s and (3) 6400s (same tower design) sit in storage. There is one concern that I'll pass along: The motherboard has a 4.5-volt alkaline battery, that's a small, black plastic cube, secured in place by velcro. If your 6500 has been disconnected from electricity for a long time, the battery will undoubtedly be dead. Unlike the many Apple computers that used a small ½AA lithium battery (that I've never seen leak when completely dead), the 6500's battery can and usually does start leaking. Because the motherboard sits vertically oriented on its side edge when installed, the leaking battery will drip alkaline solution down the board, corroding any components in it path. I've seen motherboards ruined from this. If you're going to give it away or sell it, you might want to pull the motherboard (remove the two machine screws on the rear I/O panel, next to the pull tabs). Slide out the board and unplug the battery's small connector (has red & black wires), then lift up on the battery, while holding down the "toothed" velcro mount with something non-conductive, like a popsicle stick. Once it's free, dispose of the battery. If you're interested, a replacement can be purchased for about $5-$7 from battery specialty retailers - it's a Rayovac 870 or 871. Even if you don't replace it, removing one that will eventually leak is a good idea, (hopefully) before any damage is done.

I would like to send pics from my windows computer to my iPhone using bluetooth. I had it paired but somehow it cannot the download the software and is asking to usa a disk instead. Where or how can I download the software available for that, please reply

I would like to send pics from my windows computer to my iPhone using bluetooth. I had it paired but somehow it cannot the download the software and is asking me to usa a disk instead. Where or how can I download the software available for that, please reply... thaks. (",)

Bluetooth file transfer has never been supported with iOS devices.

In disk utility, below Macintosh HD I have 4 trojan "decryptedFile.dmg (flash player)" and my computer is super slow, does erasing Macintosh HD will also erase these files? If not how can I erase? (bear in mind computer so slow a click takes forever)

in disk utility, below Macintosh HD I have 4 trojan "decryptedFile.dmg (flash player)" and my computer is super slow, does erasing Macintosh HD will also erase these files? If not how can I erase? (bear in mind computer so slow a click takes forever)

Thank you Thomas in fact I have seen your guide before and had gone thru the steps including repair disk which didn´t work. I am erasing disk before checking hardware. I have posted a photo of the 4 decrypted files in the disk utility and also of the adobe icons in the dock and question marks. Some people say if the adobe appears in the dock is because it is the trojan flash player and they keep jumping in the dock. If this is not malware it seems to be an incredible coincidence that when I start seeing these things in my dock and the decrypted files in my disk utility is when my computer goes so slow (I am typing this in my macbook air because to write this message in my imac would be about 6 hours, I am not kidding, it is completely useless at this point it took me 2 and half days too instal mac os x after disk repair, it took me 3 days to transfer just 100 gigabites and now is taking the whole day (and it says another day more) just to erase the disk. Despite all this the icon of adobe keeps jumping in the dock so, although I am no computer and mac expert, just an user, I am inclined to think that it is malware and it is a shame that mac doesnt´recognize it or have anything here to help me get rid of this. I am not even sure if erasing the disk will work since repairing didn´t work... all advice is welcomed.

How can I erase or edit "Category" section in a song? And what is this section for?

How can I erase or edit "Category" section in a song? And what is this section for?

At least in my case (OS 10.7.5, iTunes 11.0.2) you can hide this (if I understand you correctly) by going to the iTunes menu bar, clicking View, then View Options. From the drop down menu make sure that Category (under Other) isn't selected. You'd have to do this for every playlist where you don't want "category" to appear.
Good lucck
srb

How can I erase my hard disk with OS X 10.8.2?

How can I erase my hard disk with OS X 10.8.2?

If you want to erase the hard disk and reinstall OS X, follow these steps:
1. Back up your data to an external disk if you don't want to lose everything. When you erase a hard disk, everything is deleted.
2. Press Command and R keys while your Mac is starting to start into OS X Recovery, and open Disk Utility.
3. Select Macintosh HD on the sidebar, go to Erase tab and erase the disk.
4. After erasing the disk, close Disk Utility and reinstall OS X, so OS X will be installed with factory settings.
Don't forget to install iLife applications after the installation, if you need them. They come in the Applications DVD (if your Mac came with Snow Leopard or older), or open App Store > Purchases and download them

My iphone has like 2gig space free, after connect to itunes phone display disk full how can i get my space back

i was using my iphone normally it has 2 gig space free i made a ringtone when i connected the iphone to transfer the ringtone itunes show sinc and make my phone look like is full but it has after connect the phone to itunes but im sure my phone has even more space cuz itunes even took the music off the phone how can i get my space back

http://support.apple.com/kb/ht1212

HT1338 my memory on my mac is full i have 211 gb on memory called other what is it and how can i erased it?

my memory on my mac is full i have 211 gb on memory called other what is it and how can i erased it?

Freeing Up Space on The Hard Drive
See Lion's Storage Display.
You can remove data from your Home folder except for the /Home/Library/ folder.
Visit The XLab FAQs and read the FAQ on freeing up space on your hard drive.
Also see Freeing space on your Mac OS X startup disk.
See Where did my Disk Space go?.
See The Storage Display.
You must Empty the Trash in order to recover the space they occupied on the hard drive.
You should consider replacing the drive with a larger one. Check out OWC for drives, tutorials, and toolkits.

How can I erase (or remove) the hard drive from a dead Time Capsule?

How can I erase (or remove) the hard drive from a dead Time Capsule?

I found this having had the same problem...
http://forums.macrumors.com/showthread.php?t=553818
Having removed the hard drive I'm finding I can't reformat it. I manage to mount the HD but Disk Utility crashes when trying to format (HD attached to Mac via Newer Tech. SATA cables to USB) and causes what I think is a kernal panic on my Mac which hard crashes. I see 3 partitions when attempting to mount one of which is AFP. Anyone got any ideas about how to do this? I've dug around but the only progress I've made is to note others have had to work around ACL's when replacing the logic board of the TC. Not sure if this even relates to the problem. However the tool for doing this seems to have been removed from SL. (Forum references to this procedure all relate to 10.5).

How can i erase the OS from an external HD but retain some data?

I have an external HD, a lacie 640gb triple interface, connected to my macbook pro via firewire. i have installed the OS to it as well as some data. The disk only has one partition. How can i erase everything [the operating system, applications etc] but keep some of my data in the disk? Which is the best way to do it? Should i use drive genius, which i have, to create a new partition to the HD, move the data that i do not want to be erased to it and then format the other partition and then reunite the two partitions or is there a better way to do it?
Thank you for your help.

No, as far as I know from this site, Drive Genius is your only hope. I have never used the product or that function though. Another member here says it works.
Your other choice would be to store the data on another drive temporarily. Erase, partition and transfer back.
 Cheers! DALE

How can I erase my hard drive?

I just sold my computer. How can I erase the hard drive? Thanks1

To prepare it for sale you should follow these instructions:
What to do before selling or giving away your Mac
In addition to the above:
If you enabled FileVault, disable it in System Preferences > Security & Privacy.
"Deauthorize" your iTunes account. Same for Audible if you have one.
System Preferences > iCloud > de-select "Back to My Mac" and "Find my Mac".
Sign out of iCloud. Select "Delete from Mac" when it appears.
Then:
Start your Mac with its original System Installation DVD (if your Mac shipped with one) or OS X Recovery (if it didn’t).
Remove any Open Firmware password if you created one: select Firmware Password Utility from the Utilities menu and remove it.
Select Disk Utility from the Utilities menu.
Remove any partitions you may have created.
Select the Mac's hard disk icon, then select the "Erase" tab.
Select the "Security Options" button and erase the disk.
The more "securely" you erase the disk, the longer it will take. The fastest method is sufficient since all but the most expensive techniques and equipment will be able to recover securely erased data.
When it finishes, quit Disk Utility.
Select Install Mac OS X from the Utilities menu. Do not create any user accounts.
When it finishes, shut down the computer.
If you want to install the bundled apps that were included with your Mac, restart by using your Applications DVD and install the bundled apps.
Don't forget to include any DVDs that came with your iMac, your AppleCare certificate if you bought it, printed documentation, even the box if you still have it.
Execute a bill of sale showing the Mac's serial number.
Once no longer in your possesion, remove the Mac from your devices in My Support Profile.

How can I erase Disk space setup for Bootcamp??

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