Ideacenter K430 wont boot, hangs on "Lenovo" logo

a couple of weeks ago I installed windows 7 64 bit, thought I had most of the drivers installed.. everything was working fine.
today I tried to plug in a USB memory stick and find that my USB drivers were not installed, no biggie, so I go to Lenovo's website, download the proper drivers, install them, "Windows needs to reboot for changes to take effect", Okay, so I let it reboot.
Now it just hangs on bootup at the "Lenovo" logo..... tried rebooting again, same thing... **bleep**?
I tried F1, F2, F8, F9 at boot, nothing happens, just sits at "Lenovo" logo...
so, what do I do now?

unplug the usb device then remove the plug lead from the pc, hit the power button a couple of times then reconnect the power and try again
Thx dave
yoga 2, lenovo b540
3 custom gaming pc systems

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Computer wont boot up past apple logo

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IMac won't boot, hangs on white logo screen and wheel stops spinning

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Hi
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Radeon 5770 in 2008 Mac Pro, won't boot - hangs at Apple logo screen??

Okay, so I had the Radeon 2600 XT and it kept giving me issues with pink & white checkerboards and freezing, then eventually wouldn't let me boot past the white/grey apple logo loading screen. Now, today I installed Apple Radeon 5770, just installed, got the MiniDisplay to DVI-D adapter and everything, but it STILL won't let me get past the white/grey apple screen! I can't seem to get the DVD drive to open either. Both of my hard drives have been working fine and I've even swapped slots and i still can't get past the white screen! What gives? I just dropped over $300 for this, so you can imagine my dismay and frustration. Can someone please help me with some ideas? Would be GREATLY appreciated.
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M

Yeah, ok thanks for the response about the screen! So, I don't have 10.6.5. I'm running 10.5.8, which the Radeon 5770 says it needs 10.6.5, but -finally- I got my computer to boot up with the 5770 in it, on 10.5. Al I did was hold OPTION+ Power button and it took me to a blue screen, then to my 500 GB new HD. I then switched over to my other username on Macintosh HD (drive that came with the MacPro) and OSX loads fine! I can tell that it still needs to be on 10.6.5, so I can download the drivers because the text is ever so slightly fuzzy, and the color isn't tuned well (too much contrast) and images take a little longer to load/ are a bit laggy. I'm just glad it's up and running! No more pink transparent checkerboards, and loud *** fan sounds! I am wondering though, what was causing this hold up? Is it only booting up because I have the 10.5.2 install disc in the SuperDrive? I almost don't want to take it out and try without it, after the trouble i've had, just in case lol. I'd like to have an idea as to why, because I don't want to mask a problem, and have it eventually turn into a catastrophe.

Hey Guys i have a problem with my mac since last month and it wont boot up it freezes in a grey apple logo and and spinning gear any body know how to fix this?

Hey Guys i have a problem with my mac since last month and it wont boot up it freezes in a grey apple logo and and spinning gear any body know how to fix this?

Take each of these steps that you haven't already tried. Stop when the problem is resolved.
Step 1
The first step in dealing with a boot failure is to secure your data. If you want to preserve the contents of the startup drive, and you don't already have at least one current backup, you must try to back up now, before you do anything else. It may or may not be possible. If you don't care about the data that has changed since your last backup, you can skip this step.
There are several ways to back up a Mac that is unable to boot. You need an external hard drive to hold the backup data.
a. Boot into Recovery by holding down the key combination command-R at the startup chime, or from a local Time Machine backup volume (option key at startup.) Release the keys when you see a gray screen with a spinning dial. When the OS X Utilities screen appears, launch Disk Utility and follow the instructions in the support article linked below, under “Instructions for backing up to an external hard disk via Disk Utility.”
How to back up and restore your files
b. If you have access to a working Mac, and both it and the non-working Mac have FireWire or Thunderbolt ports, boot the non-working Mac in target disk mode by holding down the key combination command-T at the startup chime. Connect the two Macs with a FireWire or Thunderbolt cable. The internal drive of the machine running in target mode will mount as an external drive on the other machine. Copy the data to another drive. This technique won't work with USB, Ethernet, Wi-Fi, or Bluetooth.
How to use and troubleshoot FireWire target disk mode
c. If the internal drive of the non-working Mac is user-replaceable, remove it and mount it in an external enclosure or drive dock. Use another Mac to copy the data.
Step 2
Press and hold the power button until the power shuts off. Disconnect all wired peripherals except those needed to boot, and remove all aftermarket expansion cards. Use a different keyboard and/or mouse, if those devices are wired. If you can boot now, one of the devices you disconnected, or a combination of them, is causing the problem. Finding out which one is a process of elimination.
Before reconnecting an external storage device, make sure that your internal boot volume is selected in the Startup Disk pane of System Preferences.
Step 3
Boot in safe mode.* The instructions provided by Apple are as follows:
Shut down your computer, wait 30 seconds, and then hold down the shift key while pressing the power button.
When you see the gray Apple logo, release the shift key.
If you are prompted to log in, type your password, and then hold down the shift key again as you click Log in.
Safe mode is much slower to boot and run than normal, and some things won’t work at all, including wireless networking on certain Macs.
The login screen appears even if you usually log in automatically. You must know your login password in order to log in. If you’ve forgotten the password, you will need to reset it before you begin.
*Note: If FileVault is enabled, or if a firmware password is set, or if the boot volume is a software RAID, you can’t boot in safe mode. Post for further instructions.
When you boot in safe mode, it's normal to see a dark gray progress bar on a light gray background. If the progress bar gets stuck for more than a few minutes, or if the system shuts down automatically while the progress bar is displayed, your boot volume is damaged and the drive is probably malfunctioning. In that case, go to step 5.
If you can boot and log in now, empty the Trash, and then open the Finder Info window on your boot volume ("Macintosh HD," unless you gave it a different name.) Check that you have at least 9 GB of available space, as shown in the window. If you don't, copy as many files as necessary to another volume (not another folder on the same volume) and delete the originals. Deletion isn't complete until you empty the Trash again. Do this until the available space is more than 9 GB. Then reboot as usual (i.e., not in safe mode.)
If the boot process hangs again, the problem is likely caused by a third-party system modification that you installed. Post for further instructions.
Step 4
Sometimes a boot failure can be resolved by resetting the NVRAM.
Step 5
Launch Disk Utility in Recovery mode (see above for instructions.) Select your startup volume, then run Repair Disk. If any problems are found, repeat until clear. If Disk Utility reports that the volume can't be repaired, the drive has malfunctioned and should be replaced. You might choose to tolerate one such malfunction in the life of the drive. In that case, erase the volume and restore from a backup. If the same thing ever happens again, replace the drive immediately.
This is one of the rare situations in which you should also run Repair Permissions, ignoring the false warnings it produces. Look for the line "Permissions repaired successfully" at the end of the output. Then reboot as usual.
Step 6
Boot into Recovery again. When the OS X Utilities screen appears, follow the prompts to reinstall the OS. If your Mac was upgraded from an older version of OS X, you’ll need the Apple ID and password you used to upgrade.
Note: You need an always-on Ethernet or Wi-Fi connection to the Internet to use Recovery. It won’t work with USB or PPPoE modems, or with proxy servers, or with networks that require a certificate for authentication.
Step 7
Repeat step 6, but this time erase the boot volume in Disk Utility before installing. The system should automatically reboot into the Setup Assistant. Follow the prompts to transfer your data from a backup.
Step 8
If you get this far, you're probably dealing with a hardware fault. Make a "Genius" appointment at an Apple Store to have the machine tested.

T440s sometimes only boots to Lenovo logo

I have had my T440s for a few months it has always exhibited the following issue.
When powering up it will sometimes (about 1 in 10) only get as far as the Lenovo logo, I then have to power it off and on and all is fine.
I recently enabled diagnostic boot to see if any errors were being reported but it seems to hang before it even gets as far as the diagnostics.
Over than that the machine seems absolutely fine.
It should be noted that it is being used on an Ultradock with 2 monitors & external USB DVD but I cannot see how that could be the issue.

Hi Baz8755,
Welcome to Lenovo Community!
As per your query we understood that you are facing the issue with No Boot on ThinkPad T440s.
This kind of problem occurs if there is an issue with software or with system hardware.
Remove the entire external device (USB HDD, USB pen-drive, USB DVD drive, USB Kb/Mouse) and check it once.
Remove the system from the docking station and go to BIOS and check what is selected in BOOT option, it should be system HDD as first boot. If the issue persist after undocking then you have to check with scanning the HDD drive, please use “Lenovo Diagnose tool” from Lenovo support site and install it to check if there is an issue with the drive.
Below is the link to enter the downloads page and download latest application accordingly, please click on "Select Product" then in "QUICK PATH" enter the MTM no. select the exact model.
http://support.lenovo.com/en_US/downloads/default.page#
Hope this helps!
Best regards,
Hemanth Kumar
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Lenovo A390 hang on startup logo

Hi there i just bought the Lenovo A390 i insert two sim card in it and when i power on the phone it hang on the startup logo ...any advice for this issues
Solved!
Go to Solution.

Please help, i have lenovo A390 hang at startup logo... there is no service center here in my city, is there any way to solve this problem?
i try enter to recovery menu but no luck, how to upgrade / re-install this android phone?
http://mobilesupport.lenovo.com/en-us/products/a390_smartphone
Thanks
Moderator Note; threads merged, link to this thread removed

Lenovo H500s stuck at Lenovo logo boot loop

I've never had an easy use with this PC eversince I purchased it. It first rejected Windows 7 to be installed due to BIOS incompatibility which I had been warned before. I flashed the new BIOS version shared across the forum that worked for some people, it worked for me too.
 
Then just yesterday when I turned it on, it went into Lenovo logo for few seconds then restarted. It kept repeating the boot loop before I ran the power down to shut it completely. Already ran a system diagnose but found nothing. This already occurred before when I had to perform a windows fresh reinstallation for a constant fix, it runs normally for couple of weeks till yesterday when the problem came back.
 
Any ideas on what to do in this situation ?

Hi Warnbroom,
Welcome to Lenovo Community!
As per the query we understood that you are facing issue with system stuck at Lenovo logo in your Lenovo H500s laptop.
Try to remove the hard drive(HDD) and check for the issue if the system is able to boot to BIOS.
Hope this helps. Do post back if issue persists!
Best regards,
Ashwin.S
Did someone help you today? Press the star on the left to thank them with a Kudo!
If you find a post helpful and it answers your question, please mark it as an "Accepted Solution"! This will help the rest of the Community with similar issues identify the verified solution and benefit from it.
Follow @LenovoForums on Twitter!

Imac wont boot - i get a white screen with apple logo, and it loads to about 10%, then screen goes black

imac wont boot - i get a white screen with apple logo, and it loads to about 10%, then screen goes black

Hey there mtriest,
It sounds like you are unable to boot the iMac successfully as it keeps shutting down when you try to boot. I suggest the troubleshooting from the following article named:
Mac OS X: Gray screen appears during startup
http://support.apple.com/kb/ts2570
Disconnect, test peripheral devices and network cables
Note: "Peripheral devices" refers to external devices other than what came with your Mac, such as hard drives, printers, or hubs that you connect via a USB or FireWire cable.
Shut down your Mac. If necessary, hold your Mac's power button for several seconds to force it to power down.
Disconnect all peripheral devices such as external hard drives or printers (leave only the display, a keyboard, and mouse connected).
Disconnect any Ethernet cables.
Start up your Mac.
If you can start up this way, one or more of your peripheral devices (or installed software related to the device) is probably causing the gray screen issue. Connect one device, then restart your Mac to test for the issue. Repeat the process until you locate the device at issue. Make sure the device is powered if it needs to be to operate correctly. Check with the manufacturer of the device for support or possible software driver or firmware updates that may be available for the device. Try a different cable with the device if possible (such as a different USB or FireWire cable).
Note: If you have multiple peripheral devices and the issue only occurs when they are all connected, but not when each device is the only peripheral connected, see the Additional Information section below.
If you are using a desktop Mac with a third-party keyboard and/or mouse device, and the issue still occurs, try starting up with an Apple keyboard and mouse connected instead. Try starting with no keyboard and mouse connected, then connect them after start up. Also, try a different USB port on your Mac.
If the gray screen issue persists with no devices connected, go to the next section (with the peripherals still disconnected).
Perform a Safe BootSimply performing a Safe Boot may resolve this issue.
Shut down your Mac. If necessary, hold your Mac's power button for several seconds to force it to power down.
Start your Mac, then immediately hold the Shift key. This performs a Safe Boot. Advanced tip: If you want to see the status of a Safe Boot as it progresses, you can hold Shift-Command-V during start up (instead of just Shift).
Note: A Safe Boot takes longer than a typical start up because it includes a disk check and other operations.
If your Mac starts up as expected, immediately try restarting.
If the Safe Boot does not work, or the restart after a successful Safe Boot does not work, go to the next section.
There is additional information in the article with further troubleshooting if needed.
Thank you for using Apple Support Communities.
Cheers,
Sterling

My imac desktop wont boot up there is the logo and the timer pls help

my imac desktop wont boot up there is the logo and the timer pls help

What model iMac do you have and what operating system are you running? By Timer are you referring to a progress bar?
Mac OS X: Gray screen appears during startup - Support - Apple
Resolve startup issues and perform disk ... - Support - Apple

Ideacenter K430 wont boot, hangs on "Lenovo" logo

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