Unable to boot up after full system restore

I was having some serious slowdowns with my computer. I did multiple RAM and HD hardware tests, everything seemed to be working fine. I had recently deleted a bunch of files in order to free up some HD space, so I thought that may be the culprit. So I did a Time Machine backup and restored the Powerbook to it's original 10.3 software. All was fine. Then I upgraded back to 10.5 and all was fine. Then I did a Time Machine full system restore overnight and got the message "Your restore was successful, you must now restart your computer" (or something to that effect). Now I get the start-up chime and startup screen (apple logo) but then the computer shuts itself down. I have reset the PMU and PRAM to no effect. I have tried starting it up with the time machine HD attached - doesn't help. I guess I'll need to hit the genius bar but wanted to ask the friendly discussion forum folks first. thanks in advance.

Did you sort it? Same thing happened to me and I am having to do another 8 hour restore!

Similar Messages

After Full System Restore, Time Machine Won't Complete Back Up

I successfully did a full system restore using Time Machine. The Restore worked but Time Machine has not worked since I completed the Restore.
It says "Unable to complete backup. An error occurred while copying files to the backup volume.." Please help. I don't know what to do. The TM Widget Activity Log is posted below:
Starting standard backup
BStarting standard backup
Backing up to: /Volumes/Time Machine Backups/Backups.backupdb
No pre-backup thinning needed: 529.6 MB requested (including padding), 30.58 GB available
Error: (-36) SrcErr:YES Copying /private/var/CheckUpAgent/data.float.net.sent.ca_history to (null)
Copied 5546 files (34.6 MB) from volume Macintosh HD.
No pre-backup thinning needed: 526.8 MB requested (including padding), 30.54 GB available
Error: (-36) SrcErr:YES Copying /private/var/CheckUpAgent/data.float.net.sent.ca_history to (null)
Error: (-36) SrcErr:NO Copying /private/var/CheckUpAgent/data.float.net.sent.ca_history to /Volumes/Time Machine Backups/Backups.backupdb/Akili Nickson’s iMac/2011-03-17-080109.inProgress/25E02D47-EB07-4E59-B2D8-0A9CF26A0042/Macintos h HD/private/var/CheckUpAgent
Stopping backup.
Error: (-8062) SrcErr:NO Copying /private/var/CheckUpAgent/data.float.net.sent.ca_history to /Volumes/Time Machine Backups/Backups.backupdb/Akili Nickson’s iMac/2011-03-17-080109.inProgress/25E02D47-EB07-4E59-B2D8-0A9CF26A0042/Macintos h HD/private/var/CheckUpAgent
Copied 57 files (23.1 MB) from volume Macintosh HD.
Copy stage failed with error:11
Backup failed with error: 11

Akili wrote:
Hi, and welcome to the forums.
Error: (-36) SrcErr:YES Copying /private/var/CheckUpAgent/data.float.net.sent.ca_history
There seems to be a problem with that file. See the blue box in #C3 of [Time Machine - Troubleshooting|http://web.me.com/pondini/Time_Machine/Troubleshooting.html] (or use the link in *User Tips* at the top of this forum).
Note that the /private folder is normally hidden, so you'll need to click the +Show inisible items+ box.

After Full System Restore

I just did a full system restore using time machine, and I have a question. After this is done, I noticed that I had to set up my external hard drive, which I used to do the system restore, once again to work with time machine. Because of this, time machine starts over from the very beginning and the previous backups seem to be lost. However, when I drill down on my external hard drive, I see two folders "mynameImac1" and "mynameImac2". Imac 2 is my newest backup. So what about my old backups? Apparently they're still on my external hard drive under Imac 1. Can I access these time machine backups or should I just delete this folder?
Thanks,
Nick

Whatever you do, do NOT delete that folder via the Finder. You will hopelessly choke your Mac. Never change or delete anything of Time Machine's that way; it may get very grumpy.
TM has started a new sequence of backups.
To view them via Time Machine, hold down the Option key while selecting the TM icon in your menubar. That will change the +Enter Time Machine+ option to +Browse Other Time Machine Disks.+ It's a bit misleading in your case, but will show you the old set of backups.
If your TM drive/partition is big enough, you may want to keep the old backups. If not, your best bet may be to erase the drive with Disk Utility and let it start over.
If you decide to keep them, monitor TM's backups for a while, to be sure it's "thinning" the old set properly. Otherwise, when the disk gets near full, it will start deleting the oldest of the new set, not the old set.
The easiest way to do that is to download the +Time Machine Buddy+ widget from: http://www.apple.com/downloads/dashboard/status/timemachinebuddy.html. It shows the messages from your logs for one TM backup run at a time, in a small window.
TM should "thin" most backups after 24 hours, but keep the first of the day for a month. Then it deletes the dailies, except for one per week, which it keeps as long as there's room.
If you want, you can manually delete TM backups, from the TM interface, via the instructions in item 12 of the +Frequently Asked Questions+ post at the top of this forum.

Kernel panic after full system restore

Yesterday I noticed that my computer was quite slow. Seeing as how the hd has never been formatted since I have bought the computer in 2006 I thought the drive was badly fragmented. Since there are no free defrag solutions available for mac, I thought I would just format the drive and do a system restore using time machine. I did a full format with 1 pass of zeros then did a system restore. After the restore when the computer rebooted, I got a kernel panic. The kernel panic mentioned something along the lines of "Version mis-match between Kernel and CPU". I then chose to restore to an earlier backup but that yielded the same results.
I have done a lot of googling and most of the solutions to this problem indicate that the restore is being initiated from a Leopard install disc rather than a Snow Leopard install disc. I am using a snow leopard disc.
In the end, I did get my system working by installing snow leopard over top of itself then applying the latest combo update. The reason for this post is so I can hopefully find out why I got the kernel panic. This incident had cost me a lot of time and if I cannot rely on time machine as a backup solution then there is really no point in using it.
Thanks.

eradicator006 wrote:
Yesterday I noticed that my computer was quite slow. Seeing as how the hd has never been formatted since I have bought the computer in 2006 I thought the drive was badly fragmented.
Doubtful. See: [About disk optimization with Mac OS X|http://support.apple.com/kb/HT1375].
In the end, I did get my system working by installing snow leopard over top of itself then applying the latest combo update. The reason for this post is so I can hopefully find out why I got the kernel panic. This incident had cost me a lot of time and if I cannot rely on time machine as a backup solution then there is really no point in using it.
Something in your installation of OSX was probably corrupted, damaged, or missing, and Time Machine backed up the corruption (as would any backup utility). So when you restored, you brought the problem back.
That's likely also the reason your Mac was running "quite slow."

T43 - Lost USB and wireless after full system restore

Hi,
I've been struggling to get my work system back online for two days now. It's a T43 which had become unbearably slow so after 3 years I decided to blow it away and use the system restore to set it back to factory. However as seems to be the case all around, factory in this case means...nothing works and you have to manually install all of the drivers.
I upgraded my bios to 1.29 and embedded controller to 1.06
I installed drivers for every device and after a full day of futzing finally rid my device manager of unknown devices (mostly) Here is a shot of it...
Device Manager
However the most troublesome things have been wireless and USB. Given that I had no idea which wireless device was in my system I tried updating the driver through device manager and pointed it at each of the three available wireless adapters on the Lenovo T43 drivers page. The first two I tried were rejected, but the third one took and the device finally started. However, when I point it at my wireless network it just keeps switching back and forth between "Not Connected" state and "Aquiring address state". I finally disabled it. This device worked fine as did my wireless hub prior to the system restore.
Worst of all however is my USB. After first doing the restore, all of the USB host controllers were unknown. I could find no specific driver for them on the Lenovo site so I just right clicked on each of them and selected "update driver" and let it find whatever it could for them. Low and behold they all popped right up one at a time and were identified along with the root hub. At that point two new unidentified "other devices" were enumerated, one being my printer and the other my USB Western Dig backup drive. The hard drive's power turned on indicating a signal from USB, however it never popped into the list of available drives in My Computer. I was able to install the Samsung printer drivers from CD which took the printer out of the list of "other devices", installed USB printing support, and set up the printer in the "my printers" directory. However I can't print to it. Print jobs just sit in the queue and the printer acts like nothing is happening.
It's terribly frustrating because all of my backed up work and environment settings is stored on my USB drive. If I can't get USB working again, I'm in serious trouble. Thus far, I've tried disconnecting the devices and reconnecting (it makes a system ding but nothing else happens). I've tried uninstalling all USB devices from the manager and then doing a scan to reinstall them again. Both times I've tried this, the devices once again come up as "other devices" and I have to repeat the earlier steps to get them property identified.
I can't find any excuse at this point these devices not to be working. Can anyone please offer any further suggestions? If I was unclear about anything I'll be happy to clarify the problem. I'm despertate to get this thing working again fast.
Thank You !!
Solved!
Go to Solution.

OK, let's try the older one:
http://www-307.ibm.com/pc/support/site.wss/document.do?sitestyle=lenovo&lndocid=MIGR-62875
You may want to delete the entire Win subfolder before installing it, though.
Now, honestly, I don't quite understand why recovery disks would skip this driver. I've restored hundreds of T43/p machines and have never encountered such an issue.
Good luck.
Cheers,
George
In daily use: R60F, R500F, T61, T410
Collecting dust: T60
Enjoying retirement: A31p, T42p,
Non-ThinkPads: Panasonic CF-31 & CF-52, HP 8760W
Starting Thursday, 08/14/2014 I'll be away from the forums until further notice. Please do NOT send private messages since I won't be able to read them. Thank you.

Unable to boot after Time Machine full system restore!!

I was having some serious slowdowns with my computer. I did multiple RAM and HD hardware tests, everything seemed to be working fine. I had recently deleted a bunch of files in order to free up some HD space, so I thought that may be the culprit. So I did a Time Machine backup and restored the Powerbook to it's original 10.3 software. All was fine. Then I upgraded back to 10.5 and all was fine. Then I did a Time Machine full system restore overnight and got the message "Your restore was successful, you must now restart your computer" (or something to that effect). Now I get the start-up chime and startup screen (apple logo) but then the computer shuts itself down. I have reset the PMU and PRAM to no effect. I have tried booting up in safe made, also no dice. I have tried starting it up with the time machine HD attached - doesn't help. I guess I'll need to hit the genius bar but wanted to ask the friendly discussion forum folks first. thanks in advance.

Hi coldengray
Did you try to start from your System-CD? Hold down C-key during startup, start DiskUtility from the menu and verify/repair disk and permissions there.
If the CD is not available you can also connect your TimeMachine-Disk, select it as startup volume in System Preferences/StartupDisk, restart and then run DiskUtility from folder Applications/Utilities
Good luck P

Can I do a full system restore of a 10.5 system by booting on a 10.6 CD?

Dear all,
I am trying to support my parents whos MacBook just failed (harddisk dead). They have now gotten a new harddisk installed and wants to restore the setup from their TimeCapsule.
I would prefer to do a full system restore, so that it gets back to exatly how they had it before. A 'user only' setup would require them to reinstall all third party apps including MS Office etc., which will be tricky for them.
Few questions:
1. Does a 'full system restore' restore everything, including applications and system files? Will it be going back to an exact clone of what they had?
2. They ran a Mac OS 10.5.x system, but cannot find their installation CD. Can I lend them my Mac OS X 10.6 (Snow Leopard) CD to boot, while still restoring their 10.5.x system? (I don't want them to have 10.6 as I am not sure about compability with all their 3rd party software/drivers etc.)
3. Any other things I should keep in mind for a successful restore?
Thanks,
Magnus

Magnus Olsson wrote:
2. They ran a Mac OS 10.5.x system, but cannot find their installation CD. Can I lend them my Mac OS X 10.6 (Snow Leopard) CD to boot, while still restoring their 10.5.x system?
No. Well, you can do the restore, but it won't boot.
You need a Leopard disc. It can be the original that came with their Mac, or a Retail (black) version, and it doesn't matter what version of Leopard it is, since you don't load OSX but only use the Installer utility. Thus borrowing one doesn't violate the license.
They really should have a Leopard disc, not only to do a restore, but also if they need to do a +*Repair Disk+* on the internal HD. And they would need the original disc, for the Apple Hardware Test on it; AppleCare will send them a replacement for a nominal fee.
3. Any other things I should keep in mind for a successful restore?
Yes. See #14 in the Frequently Asked Questions *User Tip,* also at the top of the +Time Machine+ forum, for detailed instructions. Note the caution there, under the green box, about turning TM off immediately after the restore.

If I do a full system restore on my MBP will i get ilife off of the boot disks that came with the computer?

If I do a full system restore on my MBP will i get ilife off of the boot disks that came with the computer.
Hi on my MBP i am going to restore it.
It came with iLife will this be on the boot disks?
Thanks

If your computer shipped with Snow Leopard, that means it shipped with two disks: an Install disk that contains the OS, and an applications disk that contains the iLife suite. You would use the applications disk to reinstall iLife.

Mail Message Restore Stuck after completing a full system restore

I just completed a full system restore on my Macbook Pro using the "Restore From Backups" function. Upon the first boot up, I was greeted with a "Mail Message Import" Dialog Box asking to import my messages. It began importing alot of my folders but then became stuck on the "Deleted Messages" folder with 4500 out of 7000 messages already imported. The progress bar sits and never moves and the Time remaining amount begins to increase and increase. I have the option to cancel and if I do cancel and attempt to open Mail again, then I must complete the process over again. Ultimately becoming stuck at the same point of the import process each time.
FYI
I have 5 email accounts set up (one iMap) on this machine.
Where is this being imported from?
Can I point it to another backup directory?
Any Help is much appreciated.
THanks,

Thanks Man! That WOrked!!!!! Your the best! and Thank you for those Kind words! Happy MacBooking!!

Hey I'm a novice on computers, but i've just done a full system restore on my laptop after backing it up on an external hard-drive long story short in the back up process all my itunes converted to mpeg4 files and now i can't get them back into my my libr

Hey I'm a novice on computers but i've just done a full system restore on my laptop and put it back to factory spec, obviously i backed up all the data on an external hard-drive but when i have re-installed itunes and gone to import all my old music files from my previous itunes library as mpeg4 files it keeps telling me i don't have permission??!! *** someone please explain or tell me how to get music on to my new itunes without having to re-import every cd i own which is alot!!!

Other than iMovie, GB always incorporates the audio files into the GB package. So just save or move the GB project to the external drive, and you're done - anything you import, edit or record will be saved to the external drive.

Ho do i restore my files from time machine after a full system restore?

I have just had a full system restore on my MAC, thanks to the genious bar in Bondi, prior to doing this i backed everything on my external hard drive using time machine, i now want to put everything back on to my MAC, including emails, music, photos, movies and important docs etc. what is the best way to do this?
cheers Colin,

See Here > How do I restore my entire system?
From Here > http://pondini.org/TM/FAQ.html
More Info Here > http://pondini.org/TM/Troubleshooting.html

Network Error in Client Full System Restore

Hi,
I've been attempting, as a test, to restore a full system backup to a client computer using a boot flash drive. When I attempt to do so, I get a "Unknown Network Error" at the point where the client has attempted to contact the server, been unable
to and offered the opportunity to enter a name or an IP address. When I enter either one, I immediately get an "Unknown Network Error". There's no error number or other specific identifying informations.
Details:
The client computer is a UEFI motherboard PC running Windows 7 Professional. It connects with no difficulty whatsoever on a normal basis to the Windows 2012 R2 Essentials server. It gets backed up every night by the server over the network with no problem.
When I boot from the Network Client Computer Restore USB key, everything works fine except that it is unable to find network drivers. When given the chance to load missing drivers, I use the "Drivers for Full System Restore (from the full system backup)"
on another USB key and they are found just fine.
Then when we get to the point of searching for the server, it appears to look for 30 seconds or so, then a dialog comes up asking whether to search again or if I want to enter a IP or name. Searching again doesn't yield results, and when either an IP or
the server name is entered, I get the "Unknown Network Error".
I feel certain there must be some logging that is either available or could be turned on if I knew how. I feel concerned that I would not be able to restore my client computer if something were to happen. Any ideas would be greatly appreciated.
Jeff

Hi Justin,
Thanks for your response. I'm sorry that I didn't see it sooner - I guess I assumed I'd get an email if there was a response...
Anyway, at the time when the error occurs, the OS is not running. We have just booted via PXE over the network and started the "Full System Restore" Wizard, so it is not possible to "ping" the server. However, the fact that we successfully
booted via PXEs tells me that basic connectivity exists to the server, because otherwise the PXE boot wouldn't work.
Thanks for the pointer to the logs - I'll check them.
What I have done since I last updated was to do a few experiments. I added a Windows 7 boot image and install image with the Windows Distribution Service, so that on PXE boot I'm given 2 options - a Full System Restore and a Software Install.
I also roped another PC into service, one that is running from BIOS rather than UEFI. On that PC, both the System Restore and Software Install via PXE boot work fine. This tells me the server is at least nominally working, and that the problem is related
somehow to the specifics of the PC being connected. Could be server setup still, could be something on the PC.
On the computer with the UEFI, neither Full System Restore nor Software Install works. However, there is at least a clue in the error response from the Windows Setup - I get a lengthy error message that essentially says that \Windows\Boot\EFI\bootmgr.EFI
is corrupted. I'm not clear whether at this point we are referring to a file extant on the PC or one that is being downloaded that's being claimed to be corrupted.
This took me down a path in which, to eliminate variables, I changed the boot drive on the UEFI system from MBR to GPT. No joy. Also broke up my mirrored drive and changed the SATA from RAID back to AHCI. Also no joy. But everything I am reading is leading
me to believe that the problem has to do with the fact that my target PC has a UEFI BIOS. I continue to investigate - and will look through the logs you mention.
Jeff
Update 8/24/2014
Made some progress yesterday. I'm now able to use Windows Deployment Service to deploy Windows 7 over the network to the UEFI computer. I had to do two things to get that to work.
Turn off driver signing in the UEFI bios. That got me past the error screen complaining about a corrupted driver (which I'm pretty sure I don't have). But then it got hung up saying it couldn't find a driver for the network.
To fix that, I added the driver package to the boot image using the tools in the Windows Deployment Service applet.
After that, it found the server just fine, allowed me to authenticate, and would have proceeded to install Windows 7 if I hadn't aborted.
I then added the exact same driver package to the Full System Restore boot image, but it made absolutely no difference. Exactly the same symptoms as reported previously.
So, where am I and what do I know?
I can do both a Remote Windows 7 install and Client Full System Restore using Windows Deployment Services on an X64, BIOS based computer.
I can do a Remote Windows 7 install to my X64 UEFI based computer.
When I attempt a Client Full Restore to the X64 UEFI computer, I get all the way to the Full System Restore Wizard, which tells me that it can't find network drivers (even when they've been installed to the boot image). It finds network drivers when provided
via a USB key, but then when the Wizard looks for the server, it's unable to find it. When a manual option is presented, and I enter the server's IP address, I get an "Unknown Network Error" popup message, and I can't proceed further.
On the UEFI computer, I've tried all combinations of Compatibility Support Module (CSM) settings, but they make absolutely no difference to the Full System Restore process.
I've also tried converting the boot disk from MBR to GPT, didn't make any difference.
I "unmirrored" my mirrored RAID drives and changed the SATA bios from RAID to AHCI. Made no difference.
So, at this point I'm kind of stuck. I'm out of ideas for things to try for now. I did look at the logs as suggested, but didn't see much of anything relative to WDS. Possibly logging has to get turned on?
As always, any help or ideas would be much appreciated.
Jeff

Photosmart Premium C309a series: full system restore fails to result in HP Scan functioning

I had to recently have my iMac hard drive replaced. Upon performing a full system restore from a Time Machine back-up, I have found that HP Scan fails to operate at all, despite the printer itself performing its other tasks normally. This means that ABBYY Fine Reader also fails to operate with HP Scan as its 'calling application'.
I am using Mac OS X 10.6.8 and have run Apple Software Update and downloaded all outstanding HP software. Prior to my hard drive failure HP Scan worked fine. The full restore has installed the version I was running then as now, 2.4.1.
In order to obtain the Scan software obviously I originally downloaded the full software package from HP in order to configure its functions -however the current printer driver version is 4.1.2.
From the Error window that appears when I try to launch HP Scan, it appears that the problem may relate to HP Scan profiles not being loaded in the Library folder. However when I look there I am not able to determine if anything is missing. I suspect that they are there, but not being recognised.
As I already have all the software to operate the printer functions, why should I repeat the download to get HP Scan and the scanning function to operate again?
This question was solved.
View Solution.

Hi @MJM_archiver,
I see by your post that you had to replace the hardrive and after doing a full system restore from the Time Machine back-up, you are unable to scan. I can help you with this.
Try scanning through the Apple Software, to see if you have the same result.
How to Scan: Mac OS X v10.6.
The files might not have copied over properly from the back up.
I would verify and repair the disk permissions, reset the printing system on the Mac, then run the full uninstall and reinstall of the software.
Repair the Disk Permissions on the Mac:
Close all applications.
On the Apple menu bar, click Go, click Applications and then click Utilities.
Double-click Disk Utility.
Highlight your hard drive/partition on the left.
Click Verify and then Repair Disk Permissions.
Restart the computer.
Reset the Printing System:
Note: This will remove all printers in the print and Fax/Scan, any printer removed can be re-added later by clicking the plus (+) symbol.
Click the Apple icon ( ), and then click System Preferences.
Click Printers & Scanners.
Right-click (or Ctrl +click) in the left white side panel, then click Reset printing system.
Click OK to confirm the reset.
Type the correct Name and Password.
Click OK to reset the printing system.
Uninstalling the Printer Software.
HP Photosmart Full Feature Software and Drivers - Mac OS X v10.4, v10.5, and v10.6.
Test the printer.
If you need further assistance, just let me know.
Have a nice day!
Thank You.
Please click “Accept as Solution ” if you feel my post solved your issue, it will help others find the solution.
Click the “Kudos Thumbs Up" on the right to say “Thanks” for helping!
Gemini02
I work on behalf of HP

Time Machine: Full System Restore On New iMac...

I currently use Time Machine on my 24" iMac with a 500GB external hardrive. If something were to happen to my current iMac (i.e. My kid knocks it off the desk and it breaks), and I was forced to buy a new one, would I be able to use Time Machine to restore the new iMac to the last Back-Up of the old iMac? If so, would it automati ally transfer all of my pictures, movies, music, etc. to the new iMac as well? Thanks for any help y'all can give me on this subject.

J Double DuBB wrote:
I currently use Time Machine on my 24" iMac with a 500GB external hardrive. If something were to happen to my current iMac (i.e. My kid knocks it off the desk and it breaks), and I was forced to buy a new one, would I be able to use Time Machine to restore the new iMac to the last Back-Up of the old iMac?
not using full system restore utility on the leopard install DVD. your current system lacks hardware drivers that would be needed for a newer computer and if you do a full system restore of your current computer onto a newer computer using the restore utility on the leopard DVD it will most likely not even boot.
however, during the original computer setup you'll be given an option to transfer user data, settings and applications from a TM backup of your old computer. that option does not transfer system files but it does transfer everything else including your pictures, movies, music etc.
You can also do the same thing later using Migration Assistant (it's in /Applications/Utilities).

Question Regarding A Full System Restore...

My MacBook is just over a year old and I'm noticing some odd behaviors of late. More beach balls and jumping cursors when typing emails etc. ( The cursor issue is irritating... I'll be typing and suddenly the entire message will delete, or the cursor will jump to another area within the email and I don't realize it... as I'm typing it's inserted in the middle of something I've already typed.)
I was wondering if I should do a full system restore? This is my first Mac, so my only experience doing a system restore back to the factory settings has been with a Microsoft PC and THAT is a pain. I do regular SuperDuper and Time Machine backups on my MacBook, but if I do a system restore and THEN do a restore from my SuperDuper or Time Machine won't that just put back onto my MacBook whatever is causing the beach balls and cursor issues? I would prefer to not have to do a full system restore and then reinstall individually all of my current applications as well as reconfigure my Airport Extreme/ Express and Apple TV etc.
Does anyone have any thoughts or suggestions?
Thanks !
Chuck

Hi - there's a few things i would do first if you haven;t done them already of i were you. Firstly, check your disk permissions in disk utility - go to spotlight and type in disk utility - click on the application and then in the right hand pane select you macintosh hd - once you've selected that go to the bottom middle of the whole pane where it says repair disk permissions - this can sometimes help rectify any cranky issues you have.
You can also fix your preferences - this site tells you how along with some other useful tips on sorting out system problems:
http://www.macattorney.com/ts.html
Another thing to try is to run your routine maintenance scripts - your machine will run these automatically but only if your machine is on in the early hours of the morning! I've heard that under Leopard if your machine is not on the scripts will run as soon as they can after missing the scheduled time but i've no evidence of this in my Console logs. Anyway, manually running them is easy - there are daily, weekly and monthly scripts. To run them all at once:
open the terminal application from spotlight
at the command prompt type:
sudo periodic daily weekly monthly
press return and it may ask you for your system password. type that in and press return
it will take a few minutes to run these scripts.
you may also need to clean out your caches as per the detail in the article listed above. you can get software that performs these tasks for you e.g. macjanitor, onyx, maccleanse etc
and if you do have to reinstall, i'd go for the fresh install - yes it is a bit time consuming but it loads and loads quicker than windows! make sure you back up your important data first.
all the best!

Unable to boot up after full system restore

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