IMac and XP machine, if both switched on cant access internet.

If I switch on my XP PC, and connect to internet through a router, through to cable modem everything ok.
if I then switch on my iMac I cannot connect to the internet, getthe normal "cant connect to network"
The vice versa happens if the iMac is switched on 1st, ie the PC then cant connect.
Can anyone help? Its a Linksys router, everything works as normal, so it cant be that,
cheers

Interesting. First, turn off the router (probably unplug it). Start up one of the computers and go online. Immediately go into the network configuration and check out what IP it has received. Then start the other and try going online. Maybe restarting the router has solved the problem. If not, check out what IP that computer has received. If they aren't the same then I'm flummoxed. If they are, on the Mac, try clicking on the renew DHCP Lease button and see if you can get a different IP.

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Connection with iMac and Time Machine VERY slow

People
For the past of couple of days the connection with my iMac and Time Capsule has gone askew. The iMac shows the wireless connection at 5GHz with a transmit rate over 200. However, internet is slow and backing up about 300mb is in its 24th hour and it's only reached 180mb.
I don't understand what may have happened. The two machines have been best mates for a long time and now something's gone wrong. The only thing I did a couple of days ago is install the Update for the Apple Magic Mouse.
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I bit the bullet and turned off the Time Machine and rebooted it. Unfortunately, it's made no difference.
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After upgrading to Yosemite I cannot see my other iMac at home (note I am at work) in the Finder window shared devices. Note my iMac at home is connected to an airport extreme (as is my work iMac) and I can see both airport extreme.

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Slow iMac and Time machine won't recognize iMac hard drive

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Sorry if this has been answered elsewhere already. I am going to buy an iMac, probably the new 24" with a 320G internal HDD. I already have one Lacie external 320G HDD so I was wondering whether I can use this for Time Machine backups, or do I need to buy a bigger one? If so, how big? Is there a rule of thumb for working out how much hard drive space you need to have for Time Machine, for instance if I were to buy the 500G iMac what would I need?
thanks.

I agree with the "double the size" rule of thumb. You should also consider how much of the 320GB you are actually using and are likely to use in the next year or two. After all, it's the amount of storage you use that matters, not the size of the disk. Disks will very likely be cheaper soon. You should also keep in mind that TM deletes old archive data when it runs out of disk space. So as long as you have more disk space than you have data to back up, TM will work, though you will lose older versions of your data.
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IMac and Time Machine

Hello all,
I have a Imac ( intel ) and have connected an external usb hard drive and enabled time machine backup.
I have a lot of photos saved in Iphoto. Will the time machine application back up / save all of my photos as part of the process or will i need to do this seperately? If i do it seperately will i be able to use the same hard drive i use for time machine back up?
Thanks in advance. Any help very much appreciated.
J

It will backup your iPhoto Library that contains your photos. Individual photos would have to be saved separately in the Pictures folder.
It never hurts to have more than one backup. Consider getting a second backup drive on which you create a bootable clone as opposed to a Time Machine backup. This way you have two different backups from which you can recover files.
Basic Backup
Get an external drive at least equal in size to the internal hard drive and make (and maintain) a bootable clone/backup. You can make a bootable clone using the Restore option of Disk Utility. You can also make and maintain clones with good backup software. My personal recommendations are (order is not significant):
Carbon Copy Cloner
Data Backup
Deja Vu
SuperDuper!
Synk Pro
Tri-Backup
Visit The XLab FAQs and read the FAQ on backup and restore. Also read How to Back Up and Restore Your Files.
Although you can buy a complete external drive system, you can also put one together if you are so inclined. It's relatively easy and only requires a Phillips head screwdriver (typically.) You can purchase hard drives separately. This gives you an opportunity to shop for the best prices on a hard drive of your choice. Reliable brands include Seagate, Hitachi, Western Digital, Toshiba, and Fujitsu. You can find reviews and benchmarks on many drives at Storage Review.
Enclosures for FireWire and USB are readily available. You can find only FireWire enclosures, only USB enclosures, and enclosures that feature multiple ports. I would stress getting enclosures that use the Oxford chipsets especially for Firewire drives (911, 921, 922, for example.) You can find enclosures at places such as;
Cool Drives
OWC
WiebeTech
Firewire Direct
California Drives
NewEgg
All you need do is remove a case cover, mount the hard drive in the enclosure and connect the cables, then re-attach the case cover. Usually the only tool required is a small or medium Phillips screwdriver.

Failing imac and time machine backup reliability?

my imac is having some issues - symptoms include 10+ minute start up time, spinning ball during simple tasks such as opening a folder, disk utility failure to repair, even disk warrior consistently froze. apps freeze. calendars disappear from ical. time machine is reporting lots of errors (viewed in console), and it's running pretty hot. plus, when i ran disk utility from the install disk, it failed as well.
so i'm bringing my imac back to the genius bar again. the initial thought from my first trip to the genius bar was the fan was failing. once they opened it up, they said it was just dusty, and after cleaning it up, assured me it would be fine.
so a few weeks later, it's acting even worse. so i called apple care again.
the apple care people first said it was something to do with the directory being very badly damaged since disk utility and repair attempts were failing and unable to complete. the most recent apple care person said the hard drive was failing since it wasn't mounting (and showed up light gray) during the most recent disk utility / repair attempt.
i bought two new external d2 quadras, and i'm in the process of making a second back-up via time machine.
console is reporting odd errors. here are a few:
CoreEndianFlipData: error 4940
unable to rebuild path cache
event store UUIDs don't match for volume: HD
Journaling is disabled on the backup destination volume
Ownership is disabled on the backup destination volume
my biggest question is, how reliable will these back-ups be on my external drives from time machine if there's something going on internally with the imac?
if they need to install a new hard drive, or install the OS again, and we do a restore from time machine, would the back up be reliable? on my first external, the back up initially failed. but after leaving it on for a day, and repeated attempts, it finally became successful. still with those same messages in console, but it completed the back up nonetheless.
thanks for any advice. i'm disappointed that disk warrior couldn't help, which makes me think there's something else more serious going on perhaps.
thanks for any advice.
susan

ungabunga wrote:
CoreEndianFlipData: error 4940
unable to rebuild path cache
event store UUIDs don't match for volume: HD
Journaling is disabled on the backup destination volume
Was that followed by a message about enabling it, or if you check it via Disk Utility, is it enabled now? If so, it's fine.
Ownership is disabled on the backup destination volume
None of those are real error messages. If the backup completes normally, it's fine (as long as you didn't exclude anything important, and as long as the iPhoto app wasn't open, as that can prevent Time Machine from backing-up the changes to your iPhoto library.)
See #A1 in [Time Machine - Troubleshooting|http://web.me.com/pondini/Time_Machine/Troubleshooting.html] (or use the link in *User Tips* at the top of the +Time Machine+ forum) for a handy widget that will display the backup messages from your logs.

HT3275 How do I set up my iMac and Macbook Pro to both backup to my single Time Capsule?

I previously backed up my Macbook Pro to my Time Capsule. I am now trying to use the same TC to backup an iMac. However, I get an error saying the "MBP sparsebundle is already in use". I think that is 'cos my iMac is backing up, but I need to know how to resolve this ASAP.

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