Blue screen/ disk is full

Looking for instruction on clearing space from disk utility. Computer showing blue screen due to zero disk space. I have disk utility up, what do I do now?
MacBook is 6 plus years old
Was getting disk space is full message for a while, never did anything about it.
Now have nothing but a blue screen
Am mostly computer illiterate(obviously!) so instructions need to be Layman terms/step by step.
Any help would be much appreciated!

Welcome to the Apple Support Communities
Turn off your computer and turn it on with the Shift key pressed to start into safe mode. Then, open Finder, navigate through your user folders and delete files that you don't need or move them to an external disk. Finally, restart

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I understand CS4 does like to use a lot of space for scratch space when making complicated image changes. Verify you are able to control how much scratch space it uses in such functions. If you aren't, maybe it is indicative of needing a separate partition or hard drive to store CS4 temporary drive. When you have a separate partition or hard drive, you can erase the drive, and avoid fragmentation of files larger than 20 MB. Normally Mac OS X doesn't suffer fragmentation, except with large files as explained here*:
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Imac frozen at blue screen after i went into disk utilities and cleaned free space.
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i tried all this thanks
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no matter what you tell me
Am i right ok in thinking that
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1. Start up in Safe Mode.
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2. Empty Trash.
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Run the following command:
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Start by doing a the following google search:
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this user tip might help:
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http://www.thexlab.com/faqs/lackofram.html
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_*http://www.macfixitforums.com/showflat.php?Cat=&Board=Forum38&Number=770243*_
Download & use WhatSize described in this link or Disk Inventory X @ _*http://www.derlien.com/*_
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Amazing Disappearing Drive Space
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Increase HD Free Space
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JGG

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This can be used to boot the machine and delelte enough files to get it to boot normally.
.Create a data recovery/undelete external boot drive
Read about storage drive so you can store your extra stuff.
Most commonly used backup methods
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Hi Everyone, just seen a message stating a low disk space on my Mac pro bought last November and tried plugging in an external hard drive to remove some pictures to free up some space but it seems that the computer did not have enough space left to start up and run the hard drive. I then tried to restart and ended up with a blue screen and have no knowledge now how to fix this problem. I phoned support but they say I have no technical support left but do have warranty and I would need to either try with the community here or take the unit to an apple store for an appointment. The store is an 1 and 1/2 from me and I really want o see if there is another fix that could allow me to start again then remove some files and then add external drive to remove more. I was blown away at the low amount of storage.....looked for the icloud option last night to upload there as i was told about this by a UK client of mine and now see it is not up and running. Any advice or help by the communtiy would be greatly appreciated as this is my business and travelling laptop. Cheers, Dean <")))><

Great to hear Dean, thanks!
Further notes: OSX needs about 15% or 10GB Free space minimum, but will run mucch faster/safer with 30-40% or 50GB of Free Space... Free Space is no longer ours to use.
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http://www.macupdate.com/info.php/id/15667/applejack
After installing, reboot holding down CMD+s, (+s), then when the DOS like prompt shows, type in...
applejack AUTO
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Correct any Disk problems.
Repair Permissions.
Clear out Cache Files.
Repair/check several plist files.
Dump the VM files for a fresh start.
Trash old Log files.
First reboot will be slower, sometimes 2 or 3 restarts will be required for full benefit... my guess is files relying upon other files relying upon other files! :-)
Disconnect the USB cable from any Uninterruptible Power Supply so the system doesn't shut down in the middle of the process.

Start up disc full, just blue screen

I was getting messages that my start up disk is almost full. Now I get a message that start up disk is full but screen stays blue. I can't get in to delete files. Help please !

Startup in Safe Mode and delete some unnecessary files.
10.7 /10.8
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HT3680 my dart up disc is full, comp turns on but only blue screen comes up

start up disc is full , comp turns on but only blue screen?

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Reinstall Lion/Mountain Lion. Mavericks: Select Reinstall Lion/Mountain Lion, Mavericks and click on the Install button. Be sure to select the correct drive to use if you have more than one.
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Blue screen with error code and I have no recovery disks for HP Pavilion dv6-1260se

I have a HP Pavilion dv6-1260se with factory installed operating system of Vista. When booting up the computer, I receive a blue screen with this error message: STOP: c000021a {Fatal System Error}.
                                                            The verification of a KnownDLL failed. system process terminated unexpectedly with
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This question was solved.
View Solution.

Hi,
Assuming your in the US, recovery discs are available to order for that model here. That may be the best option.
You should also be able to do a recovery without the discs as well. Take a look at this document: Recover Windows Vista Operating System Using HP Recovery, and look for the section Restore the PC to its original condition with the HP Recovery Manager if Windows Vista is not accessible. This should allow you to recover the PC.
R
Although I am an HP Employee, I am speaking for myself and not for HP.

Blue screen/ disk is full

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