Is progress bar on startup normal?

It's a bug of Lion. The same is happening to me. After turning off the computer, the gray bar appears and the login screen. Then i don´t have wifi or bootcamp partition. I have to reboot. I hope Apple fix it soon.

Last time I saw that progress bar on my MacBook I discovered that my hard drive had some issue and I had to run disk utility to repair it - and it happen back with Snow Leopard.

So, my guess is that Lion uses the same approach: the progress bar is not a bug, instead it is a clue that you should run Disk Utility, and for that matter you need to boot from other disk than your primary HD (try Command-R when booting and select Disk Utility after the system goes up).

I hope this would help.

I'm having the same issue. I have a brand new iMac that I bought just last week and did the up-to-date program to lion and I have the same progress bar everytime I completly shutdown and start back up. On top of all the problems listed above. iTunes won't load album covers. I always have to restart my computer to get everything working right. Anyone find a solution yet?

I just purchased my iMac a couple of weeks ago and installed Lion. The progress bar has appeared on at least 6 occassions and after finally opening, I llose my Wi-Fi connection and I have to re-boot. It then works perfectly. After each failure I repair my disc permissions. I don't think it is a HD problem, as when the iMac had Snow Leopard (installed on the iMac) this problem never occured. What gives Apple???

I think we should wait for an update, i can´t find any solution yet. i´m trying to turn on first the bluetooth devices, turn it on after, unistall programs that run in the startup, etc. greetings

If I turn my wireless Mouse and Keyboard on only after the system is booted up, I haven't a problem. If I start up my Keyboard before booting up the problem has occured.,It is not systematic though.

Same issue here after upgrading my iMac 2010 from SL to Lion:

- need to login after startup from poweroff (although automatic login is configured)

- bad video performance (choppy refresh when swiping through desktops/full screen apps

- some websites behave not correctly (not loading, wierd stuff, ...)

After restart everything is back to normal.

I already tried to reconfigure automatic login, but no luck.

i have the same issue.

when boot up till login screen with account selection, top menu bar will showing battery status (%), time and wifi status. If i see wifi status icon is hollow triangle, i know that after login my top menu bar gonna missing all icon (sync, time, bluetooth).

after restart the machine and see wifi icon with 4 bars, everything will be fine after login.

now everytime i boot the machine need restart once in order to get working top menu bar.

btw i installed istat & dropbox apps but unlikely caused by them.

hopefully next Lion update will solve this small issue and i really like new Lion interface.

I've tried out your workaround by enabling keyboard/mouse after startup and so far, the problem didn't occur anymore in my case.

I think the error appears when turn on the bluethooth devices while the So is loading

Same problem for me on my iMac mid 2011 with Lion.

If I turn on the mouse and keyboard just after booting the problem does not occur.

However, I noticed some instability on bluetoooh and wifi.

Will be a software problem or hardware problem?

Software, sure. In SL this inestability does not occur. Anybody knows if the 1.7.1 update solve this issue?

No, I have the 10.7.1 and the issue is present.

I'm also experiencing this problem:

During startup a progress bar is displayed and I'm taken to a log-in screen. If I continue without a restart the iMac is extremely sluggish and the updated graphics scroll. A restart fixes all these problems however this problem persists no matter whether the drive has been checked and I log out with or without the restore option.

I have updated to 10.7.2 and the problem still persists.

I was experiencing exactly the same problem with my iMac 27 and found some of the comments above really helpful, The problem seems to be eradicated when you Turn on your Bluetooth mouse and keyboard after start up, everything boots up as normal. 🙂