[o] Tour de Japan - Summer 2011

Dear Sony fans,
This summer we plan do tour de Japan.
It will be green / mobile tour on bicycles - like solar charger, mini laptops, Sony HD sport cam to daily upload on YouTube.
We also want to document rising Japan after earthquake.
We are searching for people who maybe also want join to our team (together is always nicer) or can help us during journey with data upload (GBs of videos)
http://img8.imageshack.us/img8/7886/jap ... rtrees.jpg
http://img560.imageshack.us/img560/6741 ... rwater.jpg
Best Regards

Thank you for your post and welcome to the forum. If anyone is interested I presume they can PM you for details? All the best for the Tour.

Similar Messages

Problem consistently printing via new (summer 2011) AIRPORT EXTREME BASE STATION and Brother wireless printer (model HL5370DW). What am I doing wrong?

Thanks in advance for any help you folks can offer. I'm a newb here and will try to offer as much detail as I can about the dilemma at hand.
Scenario: Home network has been recently set up for wireless internet access via NEW Airport Extreme Base Station (purchased September 2011). Units accessing the network include: 2011 Macbook Pro, 2011 Macbook Air, 2007 Macbook, 2009 Macbook Pro, 2 iPhone 3GSs, and a 1st-gen iPad (and a partridge in a pear tree AEBS is configured to run WPA2 encrypted network, as well as a WPA2 guest network. I am attempting to yoke a BROTHER HL5370DW wireless B or G/ ethernet / usb-capable printer to the main network such that any and all units can print wirelessly or its equivalent (i.e., via printer hooked to AEBS through USB hub)
Problem: Despite configuring the Brother printer to recognize the main WPA2 network I created, I am unable to get wireless printing to work. My workaround was to physically connect Brother printer to AEBS via USB, specifically using a Belkin USB hub (after all, I wanted access to usb drives, as well as the printer). This workaround works ONLY SOME OF THE TIME. Generally, after a fresh boot of any computer or after a restart of the AEBS, any given computer will be able to print (i.e., any computer wirelessly connected to the main WPA2 network recognizes the printer). HOWEVER, at random times, printer access is gone (as is access to USB drives connected to AEBS's usb hub). Wireless networks are still up and running when that happens. IS THERE A WAY TO GET THE USB HUB's devices (i.e., printer and usb drives) to ALWAYS REMAIN AVAILABLE AS LONG AS THEY STAY CONNECTED TO THE AEBS? In other words, what accounts for the intermittent loss of the usb peripherals?
Sometimes, I just shut the airport off on whatever computer is having this problem, and the problem goes away. Sometimes, the problem is present across all computers in the house, sometimes only a few are affected. I can ALWAYS see the AEBS in the Airport Utility if the AEBS is connected to the particular computer via ETHERNET CABLE.
My theories:
- true wireless printing (i.e., without usb hub workaround) doesn't work because the N network somehow isn't backwards compatible with the Brother printer, which, i believe, is B/G. Although...isn't Wireless N networking supposed to work with BG devices? I did find a thread (https://discussions.apple.com/thread/2570774?start=0&tstart=0 ) that explains some of the particulars of WPA2 encryption and Wireless B/G issues, but it was beyond my level of comprehension (I'm a psychologist, but not an Apple Genius
- The usb workaround is only intermittently viable because of some flaw in the Airport or Airport Utility that causes dropouts to happen when a Macbook Pro or Air's lid gets closed or one gets opened after having been at a different network (e.g., at my office).
QUESTIONS:
- Should I try to use my old router (7 year old Linksys WRT54G) as an access point and connect the Brother printer to that G-router? How do I do that?
- I wouldn't mind just relying on the usb hub method if I could just insure more consistency (i.e., no random dropouts of peripherals). How could I do this?
Rule out:
- wireless printing works on my printer - it was being recognized back before the AEBS. I had the Linksys router running a WEP network and had the wireless printer talking with no cables to the router and the computers. (I just don't want to revert to using WEP encryption given its lack of security and my trying to protect HiPAA related health information on behalf of patients)
Any help will be greatly appreciated.
Thanks in advance!

13 ASCII characters = 104 (aka 128)-bit WEP
encryption
If turning off WEP works, then you just need to
provide the cameras with the "Equivalent Network Password".
One of the problems with WEP is that the actual
standard relies on a 10 character HEX key for 40bit
WEP and a 26 character HEX key for 128bit WEP.
In order to make things easier, vendors use certain
algorithms to convert simple alphanumeric passwords
(or passphrases) into HEX keys, thus enabling the use
of simple easy to remember WEP password rather than
lengthy HEX keys. The problem is that different
vendors use different algorithms to generate the HEX
key and therefore a ASCII password on an AEBS will be
hashed differently on a non-Apple client and vice
versa.
You may find the following article helpful:
- Apple article, especially the part about
"Third-party client to Airport".
Brilliant idea about trying the system with No encryption on... that DID solve the problem... almost.. once I turned off the encryption option, and restarted the Airport, I got a dialog box showing that the "Base station needs attention" but it didn't indicate WHAT kind of "assistance" it needed. Nonetheless, I closed out of the Airport program only to find that the indicator light, which had been Green, was now, flashing Yellow and I could not connect anything, including my computer. I opened the Airport program again and found the ONLY way I could get the Green light on was to select some sort of encryption option... then the light would go Green again but my cameras would not hook up again, and when I went back in and ONLY changed the option to NO encryption, I got the yellow flashing light and the "this base unit needs attention" warning...
I think your suggestions are almost on the mark... is there any way of reconciling the WEP coding between the cameras and the Airport??? Or turning off the encryption option and STILL have Airport work?
Thanks again for your help and suggestions... I really appreciate it.
geoff

How can I connect 5.1 speakers to Macbook Pro 13 bought Summer 2011

Hi all
I am very new to the mac world. Basically I need to know how I can connect my Macbook Pro 13" to a 5/1 set of speakers.
Do I need something to plug to mini display port?
Thanks

saham wrote:
I conclude that I cannot use any 5.1 Computer Speaker sets that go with my Macbook Pro 13 and get a real Dolby sound,right?
"Computer speakers" Basically no. They mosty are either stereo analog (for music playback) or 5.1 gaming PC speakers that are married to a 5.1 sound card for PC towers.
You would have to have a stereo reciever and 5.1 speakers that can accept:
1: Toslink optical inputs
2: Decode Dolby Surround Sound
3: The media your playing back must have a Dolby sound option.
Most 5.1 computer speaker setups are for gaming PC towers and takes a sound card that does the processing for each channel, has three analog wires
Wire 1: Left and Right front channels
Wire 2: Left and Right rear channels
Wire 3: Subwoofer and center, common ground (returns all the used electrons to complete the loop)
Your Mac has none of these, it's just a stereo analog, 2.0, a left and right channel, common ground (three sections on the plug)
So no you can't use a PC based 5.1 system on a Mac, unless you bridge the first two wires either with adapters or splicing the cables. Then it's not true surround sound, just two stereo channels that fills the room with sound.
With true surround sound, you can hear people creep up behind you, bullets whizz by your face, planes flying past overhead. It's a more immersive experinece.
So unless the "computer 5.1 speakers" has it's own Toslink optical inputs and decodes Dolby (and other) surround sound formats, has a built in amplifier to power speakers, then no. As most 5.1 comptuer speakers are designed for PC 3D gaming, thus inexpensive.
The Mac market for 3D gaming is rather small, tiny in fact. I haven't seen any "computer speaker" setup with the required stuff to playback true suround sound.
Mac's are used for music and video production, that's why they have the better optical ports.
Your just going to have to buy a home theater system to playback Dolby 5.1

Freezing upon start up and odd "chirping" noise from the base of my Macbook Pro summer 2011.

Sometimes when I start up my macbook pro it freezes and I get the "thinking" icon in place of my mouse. The only way to resolve this is to force shut down my computer. Also, when I put pressure on the bottom of my computer to lift it up I get this odd chirping noise.

That could be the stepping motor in the hard drive making noise. Sometimes the noise means nothing, other times it could mean a problem with the hard drive and it could fail soon. Could be a fan out of allignment. If you can backup your data, do so. If you an get to an Apple genius bar, take it in and have the techs run some tests to find out what the noise is.

July 2011 15" macbook pro now freezing temporairly every 10-15 seconds

I'm having an issue with my summer 2011 macbook pro 15".
typing, web browsing etc.. every 10-15 seconds the whole computer freezes for about 5 seconds then repeats. it's really annoying to use this way. it affects all functions.

Hi...
How much free space on the startup disk?
Right or control click the MacintoshHD icon on your Desktop. Click Get Info. In the Get Info window you will see Capacity and Available. Make sure there's a minimum of 15% free disk space.
If there's enough free storage space on the disk, try Starting up in Safe Mode
A Safe Mode boot takes much longer than a normal boot so be patient. Once you see the Desktop, click the Apple menu icon top left in the screen. From the drop down menu click Restart.
If the drive still freezes after booting in Safe Mode, since you are running v10.7.4 Lion, use Lion Recovery to repair the startup disk or reinstall the Mac OS X.
edited by: cs

[SOLVED] Fastest way to convert entire music library to ogg?

Hey,
I have a music library of about 100gb on my server, and since I'm starting to run out of space, I have been considering converting all the music (currently in mp3 format) to ogg vorbis to save some space, but not loose quality. I installed the mp32ogg script, which I tested on some mp3's. They became about 50% smaller and I didn't notice any difference in quality. (320kbps mp3 -> 160kbps ogg)
Anyways, the script does its job, but it's extremely slow. I'm at my parents place at the moment, testing it out on my old 35gb library, and it has been running since 3am to now (6pm), and it's not done yet (and my server is much slower than the desktop computer I'm running it on at the moment).
EDIT: OK, it just finished now. My library shrunk from 35.3gb to 28,6gb in 15,5 hours.
So I was wondering if there is a faster way to do this (as in another script/program)? Or should I just separate my library into say, ten subfolders and run an instance of the script in each of them simultaniously? I could also have my laptop run a few instances of it over samba, and my iMac too if the script runs on Mac OS X (probably does if I install some stuff from macports).
Another thing I was considering was converting it all to aac (which I believe would be even smaller?). The only script for that I found was audio-convert, but I didn't find any documentation on how to use it, and typing audio-convert --help just gave a bunch of error messages not related to the actual script at all. Obviously it didn't have a man page either, and by googling I only found a changelog etc. but no information about usage... Examples anyone?
Oh and obviously my server is CLI only, so no drag and drop converters please Also, I'm not really in a hurry with this, so it's OK if the conversion takes a few hours or even a day, but several days or weeks is completely unnacceptable.
Thanks in advance people
Last edited by pauligrinder (2011-04-21 17:09:06)

lives2evil wrote:Well, "My machines: Arch x5 + Windows 7 x2 + Mac OS X x2" => That's probably why he's broke .
I don't actually have 9 computers, I have OS X + 7 + Arch on both my Mac and my laptop, which already makes 6 then I have the server, which is an old laptop, and two nearly ten years old desktops which run Arch, so yeah. And I don't have the old ones at my apartment anyway. I'm broke because I just came back from a "world tour", visiting Japan and Australia... And also because I bought the iMac
Another reason why I can't buy a new HD for the server yet, is the fact that it's a laptop. It only has 1x IDE, and all my USB ports are already occupied by harddrives and my dtv-receiver, etc. What I will do someday soon, is turn my old desktop pc into a server. But that has to wait too, because I don't have room for it in my apartment (and it's too loud to sleep in the same room anyway). I'm actually waiting until I graduate and get a proper job, then I will upgrade the computer and make a server out of the spare parts.
I guess I'll mark this as solved now, since there doesn't seem to be a better way to do this.
Last edited by pauligrinder (2011-04-21 17:08:44)

LEGO Mindstorms 2.0 crashes at startup when LabView Signal Express is installed first

When NI Circuit Design Suite Education Edition is installed first in a computer and the LEGO Mindstorms software second, the LEGO Mindstorms software doesn't work, it reports the following:
Error: A required file is broken
Possible Solutions: Reinstall the LEGO Mindstorms NXT Driver (tried but doesn't work)
Error code: 1003
Ordinal not found
The ordinal 18 could not be located in the dynamic link library NIVISV32.dll
Error loading "fantom.dll"
The operating system can not run %1
On other computers the LEGO software starts running, it displays part of the initial screen and then a small window opens saying that the Mindstorms software has has an error and that it will close. The previous report doesn't show.
If LabView Signal Express is uninstalled and then the LEGO software reinstalled, the LEGO software works.
I've dowloaded and installed new and old versions of the NIVISV32.dll and this doesn't correct the problem. I went as far as version 4.20 of the dll because it is dated in 2007 and the dll file installed by the LEGO software when it works is also dated 2007, but if I install the dll without uninstalling LabView Signal Express, the LEGO software continues not working.
Please advice how to correct this problem without having to uninstall LabView Signal Express first. If the LEGO software is installed first, is LabView Signal Express going to use and not to replace the old 2007 version of the dll installed by the LEGO software? Is there any LEGO software update that corrects this problem?
I repeat: I know a solution is to uninstall LabView Signal Express, install LEGO Mindstorms and then reinstall LabView Signal Express but I have 60 computers already cloned and deployed with this problem, so I don't want to go to this long process to fix the problem. The computers are using Windows 7 and problems happen on both the 32 and 64 bits versions of Windows 7.
Any ideas???
Solved!
Go to Solution.

I couldn't reproduce the error either, but in our x86 computers this problem appeared after several months; we used LEGO Mindstorms last time in Summer 2011 without any problems and just three weeks ago when we were checking the computer for our Summer 2012 classes if when we noticed the problem. I’m still going to try to reproduce the error in an x64 computer where the problem appeared immediately.
Anyway, I’m attaching a word file with images of captured screens where you can see the error reports generated by LEGO Mindstorms and a series of steps uninstalling and reinstalling these program plus LabVIEW, until LEGO Mindstorms finally works after having uninstalled all traces of LabVIEW.
Images can be expanded and zoomed in to a better view of the details and if I can reproduce the problem in an x64 computer I’ll let you know.
Please see if you can find out something based on the images I’m sending.
Thank you.
Attachments:
LEGO PROBLEM.doc ‏3129 KB

A pop up window comes up when I click on safari but I can't close out of it nor can I continue access to safari...how can I fix this?

A pop up window opens when I try to open safari, however, I can't exit out of it, nor can I continue using safari. How can I fix this? (the iMac was purchased summer 2011 and all updates done). Thanks.

I had the same issue and I found turning off safai extensions fixed the issue. Must be an extension that's causing this problem.

What is apple's replacement policy for a macbook pro?

Macbook Pro, 13" from Summer 2011 running Mavericks
Still under applecare, but will run out in approximately a month.
As stated above, I bought the computer in the summer. A couple months later, I took it in to the store and ended up having the logic board and entire screen replaced because there were issues with both.
This past march (2014) I took it into the store and had the hard drive cable replaced because my hard drive was "missing"
Afterwards, I was having issues with the computer shutting down randomly. I would close the lid - putting it to sleep - and then I would sometimes hear later on (not immediately afterwards) the disks start going again or the fan start blowing as if the computer was turning on again and working on something. Sometimes I would put it in my backpack and 20 minutes later take it back out and find that it was super hot and the battery had completely drained. The computer also got a lot slower. I talked with apple on the phone and the person I talked to even commented on how slow it was going as she had me open up certain things to check settings, etc. That resolved nothing so I took it in to the store. The store technicians took it and then gave me a call later and told me they found nothing wrong with it. They offered to send it in to the factory or some other repair center for a more thorough search and repair. Due to certain work circumstances, I said that I would see if things got better. A few days later, things got a lot worse and I ended up taking it to the store and having it sent out to the factory. Both times I was at the store I could see exactly what the technicians were writing down, and despite me telling them over and over again, they wrote down things that weren't really the issue. Maybe this is minor, but for example, I would tell them that my battery heated up when the computer was supposed to be asleep and it would get hot and drain completely in a very short time while it was supposed to be asleep. They would write down "battery drains quickly." They also just didn't seem to care very much - walking away and helping other people despite my appointment, etc. Well they sent it off to the factory and then shipped it back to me after replacing the logic board, battery, fan, and ram. I called apple as it was being shipped back to me and asked to talk to a manager because I thought it was rather ridiculous that my computer was having so many issues - I felt like as soon as my warranty was up it was just going to have another problem and I would end up paying for it. He to me he would extend the warranty some and he alluded to possible a possible replacement of the computer down the line if I was still having issues. The day I got the computer back, it kept trying to shut down. It froze once. I wasn't even doing much with the computer - it shouldn't have been overloaded by a long shot. I called and left a message for the manager. He called me back a couple days later and I told him what the issues were as soon as I got the computer back. However, they abated between the time I got it back and the time he called me back, so he attributed it to the fact that I had been using google chrome and said I should check my updates. I switched browsers and made sure I was updated and for a time it was ok-ish (still slow). Then I had an issue where I was copying files to my desktop. The copying went on forever and ever and my computer started freezing. I tried shutting down and I couldn't. I hit the power button and it wouldn't turn off. After forever, I finally got it to turn off and restarted. Then the random shut downs started again. And then, finally, I was left looking at a folder on a gray screen. Called the manager again and he said it was probably the hard drive cable. He said that if the cable replacement didn't fix it, we would probably be looking at replacing the computer. I took it in to the store and had it replaced. It didn't do any good. Now the manager wants me to send it to the factory again. He says that I almost had reached the amount of repair issues that would get me a new computer, but the first issues right after I got it didn't count since they weren't very recent. What is apple's policy on replacing laptops that seem to just be lemons?

We cannot answer the question nor will Apple. You will need to consult your state's lemon law to determine whether you have a case. Most likely you will need to go to arbitration. If you need to go to court you will need to hire an attorney or use small claims court if your case is eligible.
If Apple has such a policy, then only Apple knows what that policy is. So you will need to take the matter up with them through the local Apple Store.

I am getting Error -1 message

"The backup disk image “/Volumes/Bos's Time Cap/Bos’s MacBook Pro.sparsebundle” could not be accessed (error -1)."
I have been geeting this message since last december, its driving me nuts becasue i cant get anything to save to my time capsule.
I am useing a Mackbook pro 15" (late 2008) 2.8 GHz Intel Core 2 Duo Processor, 4 GM1067 MHZ DDR3 Memory, with Mac OS X Version 10.7.3.
My My Time Capsule I bought last summer 2011, its got version 7.6.1 and its never been dropped or physicaly dammaged in anyway.
This problem appears to have started all by its self.
Interstingly though everyonce in a while it will back its self up and will continue to work for a few days, but then it give me this Error - 1 message.
I am able to conect to the internet though WI-FI.
Can anyone help me out here?

It is a bug in Lion plus 7.6 firmware. I am not sure which is worse but the two seem to add on to each other, as taking the firmware back to 7.5.2 might not cure it. Something is holding open the sparse bundle.
The way to get access back is to force the users to disconnect.. you do that by rebooting the TC.. (ie the windows method.. did you turn it off and on again?? works though now with apple as well).
Or use airport utility.. not the toy version in Lion.. download 5.6
http://support.apple.com/kb/DL1482
Go to the disk page of manual setup and disconnect users.
There are a couple of other causes.. check out Mr Pondini.
http://pondini.org/TM/C17.html

In order to use Skype, can I purchase the $49 iPhone 3 or do I need to purchase a newer version?

By Summer 2011 I will need to make and receive phone calls from South America. Friends have suggested Skype. Will the $49 iPhone3 be sufficient or must I purchase a newer, more powerful version?
Thank you, in advance for whatever light you can shed on this question.
paul229

Regarding Skype or any other VOIP service, the iPhone 3G or 3GS will be sufficient for voice calls. You'll need the iPhone 4 for video calls.

Need to fetch value from a table based on data range

Hello there,
I was hoping that the community could give me a hand with this little puzzle I got.
I am currently creating a Time Dimension for a data wharehouse, and I have the requirement to populate a column named SEASON (e.g: Summer, Winter, Spring, Autumn) for each date row. So for the 20/Dec/2013, the Season column must say Winter.
Here is now my Time Dimension table looks like, without the Season information (which I yet have to load):
DimTime Table
TIMEID
FULLDATE
YEAR
SEASON
MONTH
MONTHDAY
WEEK
WEEKDAY
274
02-MAR-10
2010
3
2
9
2
275
03-MAR-10
2010
3
3
9
3
276
04-MAR-10
2010
3
4
9
4
277
05-MAR-10
2010
3
5
9
5
278
06-MAR-10
2010
3
6
9
6
279
07-MAR-10
2010
3
7
9
7
This entire table is being populated using Oracle functions to manipulate a date field from another table, named PDATE:
My ETL Code
INSERT INTO DimTime(timeid, fulldate, year, month, monthday, week, weekday)
SELECT tim_seq.NEXTVAL, pdate, year, month, monthday, week, weekday
FROM (SELECT DISTINCT pdate, EXTRACT(year from pdate) year, EXTRACT(month from pdate) month,
EXTRACT(day FROM pdate) monthday, to_number(to_char(to_date(pdate,'DD/MM/YY'),'IW')) week,
TO_CHAR(pdate, 'D') weekday
FROM Performance PER
ORDER BY pdate);
NOTE: Code considers the table DimTime to be truncated every time it loads (i.e.: I don't need to consider additional loads).
As you can see, Season wasn't populated. Since the solstices and equinoxes vary for each year, I can't just say that Summer start at a given date (e.g: 21 of June) because one year it could be the 19/Jun, another the 22/Jun, etc. So in order to solve this problem, I have a table named Season which defines the START and END dates for the seasons:
Season Table
SEASON#
SEASONNAME
YEAR
DATEFROM
DATETO
1
Spring
2010
01-MAR-10
30-MAY-10
2
Summer
2010
31-MAY-10
29-AUG-10
3
Autumn
2010
30-AUG-10
28-NOV-10
4
Winter
2010
29-NOV-10
27-FEB-11
5
Spring
2011
28-FEB-11
29-MAY-11
6
Summer
2011
30-MAY-11
28-AUG-11
7
Autumn
2011
29-AUG-11
27-NOV-11
8
Winter
2011
28-NOV-11
26-FEB-12
9
Winter
2009
30-NOV-09
28-FEB-10
This is the bit I don't know how to do. How can I make sure that I populate the correct Season in my DimTime table based on the season specified in the Season table?
Thanks in advance for your help!
Regards,
P.

Just join to table Season:
INSERT
INTO DimTime(
               timeid,
               fulldate,
               year,
               month,
               monthday,
               week,
               weekday,
               seasonname
SELECT tim_seq.NEXTVAL,
          pdate,
          year,
          month,
          monthday,
          week,
          weekday
    FROM (
           SELECT DISTINCT pdate,
                            EXTRACT(year from pdate) year,
                            EXTRACT(month from pdate) month,
                            EXTRACT(day FROM pdate) monthday,
                            to_number(to_char(to_date(pdate,'DD/MM/YY'),'IW')) week,
                            TO_CHAR(pdate,'D') weekday,
                            seasonname
             FROM Performance PER,
                   season
             WHERE pdate between datefrom and dateto
SY.

Disk space usage on MacBook Air 256 GB

I have a MacBook Air 256 GB version (summer 2011). I only have abot 15 GB stored under my personal data and about 30 GB on a partition for Fusion under which Windows 7 is installed. Other major applications are MS Office 2011, nothing else much, other than what came with the laptop. I've cleaned the browser cache.
However the system information shows only 10 GB free on the Serial ATA; where do I find the files that are clogging up the disc? With files mentioned as above, I would expect at least 150 GB to be free.
Thanks!

I'm still betting on the Time Machine backups being the issue. Apple sometimes "adjusts" reported free space to try and remove this space, though I've seen it get (temporarily) fouled up about this number. So, for instance, Finder does not count such space as used, but Disk Utility will show it as used.
Those backups are written to "/.MobileBackups" which (kind of) shows up as the "MobileBackups" drive you will see from time to time. Although items are written out to it and some deletion compression takes place, like your external Time Machine the general rule is that this thing will continue to grow until it (eventually) fills all available space. That is by design.
The MobileBackups disk you see in OmniDiskSweeper is the mounted version, and it doesn't appear you will get useful information if you "size" that volume. However I believe you can get the "real" size of the MobileBackups from a couple of places.
Officially, About This Mac->More Information and then Storage will tell you about the backups on your flash drive. That's *usually* correct, though I've seen it get lost on the machine I'm writing this on. I suspect that's because the machine had been set up using Migration Assistance from a MacBook Pro that had been running Lion for a while and some of that information may have "tainted" the starting point. Now the system appears to have finally figured out the real space used :-) .
I'm not sure it's more reliable (since now everything appears to work fine), but you might also get some information if .MobileBackups is involved by running the command in Terminal to show the size of that directly (Finder won't show because only root has permission to look at it).
I first fired up Terminal to get a command prompt. From that prompt I entered the following:
sudo du -sk /.MobileBackups
You will be asked for your password to authorize the command, but by the Terminal (not the standard OSX dialog).
When it ran (took a short time) it output the following:
2728912
/.MobileBackups
Which basically agrees with the 2.8GB of backups that About This Mac's More Information screen comes up with now. And which Finder totally ignores and treats as not used.
If your drive has as much free space as you expect it should have and either you've had the machine for a while, or you've downloaded and deleted a buch of videos in a directory that's not excluded from Time Machine's backup routines, I could see those "there but not really" files (at least as OSX seems to view them) easily growing to be a pretty good size. As I noted, if this is the problem OSX will kick parts of that backup off the drive as more space is needed--it's holding them there "just in case" you might want to restore them.
Have you actually had OSX complain about not having enough free space on the boot drive?
What I have found with Lion is that trying to reconcile various utilities views of free drive space can quickly drive you crazy :-) . The cause always seem to involve accounting for that mobile version of Time Machine backups.

Lagging problem when connected to a Samsung Central Station 23"

Hi,
I bought myself a Macbook Air(Summer, 2011 Edition) about 3 months ago roughly,
and I also bought myself a Samsung Central Station 23" which works just as a thunderbolt or cinema display but much cheaper and much elegant.
It also sends audio signal as well as usb datas when connected to a pc or a mac.
Before buying this monitor, I searched for any history or experience regarding performance problem when hooked upto an external monitor the other users had,
and while some people say there are no such problems with new intel i core series which includes much advanced graphic core and much faster processor,
many people said they have experienced performance problems to some dregree as well.
Now that I seem to have this huge problem of lagging with my MBA when connected to Samsung Central Station,
I still have no idea why it is happening, nor how to fix the problem.
I use my Macbook Air connected to a Samsung Central Station 23" and it runs 1080P Full HD resoultion, which isn't that big deal to incur performance decline.
I shut my MBA screen when I use the external monitor, so there isn't much thing to interfere with the performance.
I don't know about other people who use an external monitor, but my central station monitor works on Full HD resolution only when i close my MBA screen or connect it as a dual screen. If the screen is left open, it runs with the same resolution as the macbook air.
when I start sensing decline in frame I always had my MBA open to lower the resolution which seemed to work fine again.
But these days,even when it's disconnected from the monitor it seems to have problem and the only way to bring it to the normal condition is to restart it.
when connected to the monitor It's even hard to open few tabs on Safari and play a web flash game.
It lags so hard I cannot even turn to other screen on mission control or swith to other browser tab without making it delay for a second.
I checked CPU and RAM resources when it started lagging, but almost 90% of the CPU resources was idle and more than 500MB of RAM was free.
After restarting the computer CPU remained the same, but more than 2G of RAM was now free.
Im guessing it has something to do with GPU performance but not sure how to fix the problem.
Do you think it's my Macbook Air's hardware problem or is it the monitor? or something else?

I have the same issue. Were you able to find a resolution for this issue?

I can not reinstall my Lion OS

My iMac last night shut itself down while I was using it. When I went to turn it back on, it started, it allowed me to input my password then after a few minutes it shuts down the computer. I can't even get the desktop to show up before it shuts down. Basically, I can't get into my system. After about an hour of this nonsense, I gave up.
Then I tried the reinstall it using the control/R buttons as described by Apple. Nothing seems to work. I did everything that I was told to do and all I get for my troubles is a blank screen or the computer shuts down. Time machine, external hard drive, interal hard drive, backups etc. and nothing works. Now what? My warranty has expired so..... I don't want to take it to the Apple store and get charged x amount of dollars for this computer if it is a lost cause. So, spend cash and let them try to fix it, spend cash on a newer model or does someone have an idea on how to fix my problem. Thanks
iMac model is mid-summer 2011 with the Lion OS with everything updated as of yesterday. No other specifics are available due to the fact I can't get into MY COMPUTER!

Make an appointment at a genius bar and have an Apple genius look at your computer. The diagnostic service is free, and if all you need is a software tweak they will do it for yu and you won't be charged for that either.
http://www.apple.com/retail/geniusbar/
If the computer has to be repaired, you will be given an estimate. But you do not have to use Apple for repairs.

[o] Tour de Japan - Summer 2011

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