When I press the power button, the screen turns on but nothing shows up., When I press the power button, the screen turns on but nothing shows up., When I press the power button, the screen turns on but nothing shows up.
I press the power button + the laptop turns on but nothing else happens. The screen also turns on but it's blank.
I have now the same problem with 2 bords of this.
I've a friend with one, that we turn it on an all systems seems to work but the screen don't turs on and the d-led ligts turns reed. After that i take off al cards and trie to starts and the problem as still the same. Acording to D-led lights, this means a processor's fail. I take off the the processor to my board and it start's normaly, i've worked whith that all night without any problem. After that i change my board with the other, put all cards, and when i starts,... the problem perssists. (sorry my english). I putt the other board in my case, with my cards, and turn the system on, and was doing the same. I take off the 2 bords, putted them in a tabel, just with prossessor's, AGP Card, one DDR, my disk and clear CMOS, and when i start's all 2 continuos with the same problem, ?( i take off the AGP Cards, and the 4 ledds turn reed again and the problem was the samne. Now i ask, WHAT THE HELL CAN I DO, did i broke my board too, who can i fix this. I can´t change the bios version they don't start. The first was running well, until my friend chenge to a Termaltake Volcano cooler, after that, start´s with this problem. My board was working fine until i change to is case. What i can possíbel have done wrong????? ;( ;( ;(
What can i do to fix this 2 problems.
Thanks to all that read all this,
Similar Messages
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I am getting frequent lock-ups and blue screens during boot up on my Mac Pro. The lock- ups occur sometimes during normal use and I cannot click anything or force quit. The cursor shows something is loading, but never stops. I have to use power button.
I had the Mac Defender malware and I have used apple jack but still having issues.I am getting frequent lock-ups and blue screens during boot up on my Mac Pro. The lock- ups occur sometimes during normal use and I cannot click anything or force quit. The cursor shows something is loading, but never stops. I have to use power button.
I had the Mac Defender malware and I have used apple jack but still having issues. -
I Have a MacBook Pro i7 2011 it stays on for about 4 hours then the screen go's all fuzzy and I have to turn it off by the power button has any body else had this problem thanks mike
My guess would also be a failling connection between your logicboard and your GPU. See 2011 MacBook Pro and Discrete Graphics Card
For most users it starts with some random crashes and freezes like you describe it. And then it just gets worse and worse. There are still no "good" solutions, sadly. This is a hardware problem from the production. -
After reading and resetting everything with Keyboard I still get blank white screen on 2nd? page of boot. The only way I can boot to Mavericks is unplug power cord, push and hold power button while plugging power cord in. Fans run at full speed, machine boots then runs normal except the dvdrw will not . The mid 2011 IMAC had the same problem with LION. I changed hard drives, formatted, and installed a clean install of latest os x mavericks. Any help would be greatly appreciated.
EtreCheck version: 1.9.15 (52)
Report generated August 30, 2014 at 6:56:41 PM EDT
Hardware Information: ?
iMac (21.5-inch, Mid 2011) (Verified)
iMac - model: iMac12,1
1 2.5 GHz Intel Core i5 CPU: 4 cores
4 GB RAM
Video Information: ?
AMD Radeon HD 6750M - VRAM: 512 MB
iMac 1920 x 1080
System Software: ?
OS X 10.9.4 (13E28) - Uptime: 0 days 0:16:53
Disk Information: ?
ST3120026AS disk0 : (120.03 GB)
S.M.A.R.T. Status: Verified
EFI (disk0s1) <not mounted>: 209.7 MB
Untitled (disk0s2) / [Startup]: 119.17 GB (87.12 GB free)
Recovery HD (disk0s3) <not mounted>: 650 MB
HL-DT-STDVDRW GA32N
USB Information: ?
Apple Inc. FaceTime HD Camera (Built-in)
CHICONY USB NetVista Full Width Keyboard
Apple Inc. BRCM2046 Hub
Apple Inc. Bluetooth USB Host Controller
Apple Computer, Inc. IR Receiver
Apple Internal Memory Card Reader
Thunderbolt Information: ?
Apple Inc. thunderbolt_bus
Gatekeeper: ?
Anywhere
Kernel Extensions: ?
[loaded] com.nvidia.CUDA (1.1.0) Support
[loaded] com.sophos.kext.sav (9.0.61 - SDK 10.7) Support
[loaded] com.sophos.nke.swi (9.0.53 - SDK 10.8) Support
Startup Items: ?
CUDA: Path: /System/Library/StartupItems/CUDA
FanControlDaemon: Path: /Library/StartupItems/FanControlDaemon
Launch Daemons: ?
[loaded] com.adobe.fpsaud.plist Support
[running] com.arcsoft.eservutil.plist Support
[running] com.bjango.istatmenusdaemon.plist Support
[loaded] com.oracle.java.Helper-Tool.plist Support
[running] com.sophos.autoupdate.plist Support
[running] com.sophos.configuration.plist Support
[running] com.sophos.intercheck.plist Support
[running] com.sophos.notification.plist Support
[running] com.sophos.scan.plist Support
[running] com.sophos.sxld.plist Support
[running] com.sophos.webd.plist Support
Launch Agents: ?
[running] com.arcsoft.esinter.plist Support
[running] com.bjango.istatmenusagent.plist Support
[loaded] com.nvidia.CUDASoftwareUpdate.plist Support
[loaded] com.oracle.java.Java-Updater.plist Support
[running] com.sophos.uiserver.plist Support
User Login Items: ?
Macs Fan Control
Firefox
Internet Plug-ins: ?
FlashPlayer-10.6: Version: 14.0.0.176 - SDK 10.6 Support
Flash Player: Version: 14.0.0.176 - SDK 10.6 Support
QuickTime Plugin: Version: 7.7.3
JavaAppletPlugin: Version: Java 7 Update 67 Check version
Default Browser: Version: 537 - SDK 10.9
Audio Plug-ins: ?
BluetoothAudioPlugIn: Version: 1.0 - SDK 10.9
AirPlay: Version: 2.0 - SDK 10.9
AppleAVBAudio: Version: 203.2 - SDK 10.9
iSightAudio: Version: 7.7.3 - SDK 10.9
iTunes Plug-ins: ?
Quartz Composer Visualizer: Version: 1.4 - SDK 10.9
3rd Party Preference Panes: ?
CUDA Preferences Support
Fan Control Support
Flash Player Support
Java Support
Time Machine: ?
Time Machine not configured!
Top Processes by CPU: ?
1% WindowServer
1% fontd
0% firefox
0% SystemUIServer
0% SophosWebIntelligence
Top Processes by Memory: ?
229 MB firefox
156 MB SophosScanD
152 MB InterCheck
131 MB com.apple.IconServicesAgent
115 MB SophosAntiVirus
Virtual Memory Information: ?
424 MB Free RAM
1.53 GB Active RAM
1.37 GB Inactive RAM
699 MB Wired RAM
1.26 GB Page-ins
0 B Page-outsI'd start by getting rid of the following software responsible for these extensions.
Kernel Extensions: ?
[loaded] com.nvidia.CUDA (1.1.0) Support
[loaded] com.sophos.kext.sav (9.0.61 - SDK 10.7) Support
[loaded] com.sophos.nke.swi (9.0.53 - SDK 10.8) Support
Startup Items: ?
CUDA: Path: /System/Library/StartupItems/CUDA
FanControlDaemon: Path: /Library/StartupItems/FanControlDaemon
Use the uninstaller provided with the Sophos software. You can uninstall CUDA via the preference pane. Be sure you remove the com.nvidia.CUDA extension which is located in the /System/Library/Extensions/ folder. Not sure if Fan Control has an uninstaller so you will have to do it manually:
Uninstalling Software: The Basics
Most OS X applications are completely self-contained "packages" that can be uninstalled by simply dragging the application to the Trash. Applications may create preference files that are stored in the /Home/Library/Preferences/ folder. Although they do nothing once you delete the associated application, they do take up some disk space. If you want you can look for them in the above location and delete them, too.
Some applications may install an uninstaller program that can be used to remove the application. In some cases the uninstaller may be part of the application's installer, and is invoked by clicking on a Customize button that will appear during the install process.
Some applications may install components in the /Home/Library/Applications Support/ folder. You can also check there to see if the application has created a folder. You can also delete the folder that's in the Applications Support folder. Again, they don't do anything but take up disk space once the application is trashed.
Some applications may install a startupitem or a Log In item. Startupitems are usually installed in the /Library/StartupItems/ folder and less often in the /Home/Library/StartupItems/ folder. Log In Items are set in the Accounts preferences. Open System Preferences, click on the Accounts icon, then click on the LogIn Items tab. Locate the item in the list for the application you want to remove and click on the "-" button to delete it from the list.
Some software use startup daemons or agents that are a new feature of the OS. Look for them in /Library/LaunchAgents/ and /Library/LaunchDaemons/ or in /Home/Library/LaunchAgents/.
If an application installs any other files the best way to track them down is to do a Finder search using the application name or the developer name as the search term. Unfortunately Spotlight will not look in certain folders by default. You can modify Spotlight's behavior or use a third-party search utility, EasyFind, instead.
Some applications install a receipt in the /Library/Receipts/ folder. Usually with the same name as the program or the developer. The item generally has a ".pkg" extension. Be sure you also delete this item as some programs use it to determine if it's already installed.
There are many utilities that can uninstall applications. Here is a selection:
1. AppZapper
2. AppDelete
3. Automaton
4. Hazel
5. AppCleaner
6. CleanApp
7. iTrash
8. Amnesia
9. Uninstaller
10. Spring Cleaning
For more information visit The XLab FAQs and read the FAQ on removing software.
Be sure to remove your two Login Items. Finally do this:
Reinstall Lion, Mountain Lion, or Mavericks without erasing drive
Boot to the Recovery HD:
Restart the computer and after the chime press and hold down the COMMAND and R keys until the menu screen appears. Alternatively, restart the computer and after the chime press and hold down the OPTION key until the boot manager screen appears. Select the Recovery HD and click on the downward pointing arrow button.
Repair
When the recovery menu appears select Disk Utility. After DU loads select your hard drive entry (mfgr.'s ID and drive size) from the the left side list. In the DU status area you will see an entry for the S.M.A.R.T. status of the hard drive. If it does not say "Verified" then the hard drive is failing or failed. (SMART status is not reported on external Firewire or USB drives.) If the drive is "Verified" then select your OS X volume from the list on the left (sub-entry below the drive entry,) click on the First Aid tab, then click on the Repair Disk button. If DU reports any errors that have been fixed, then re-run Repair Disk until no errors are reported. If no errors are reported then click on the Repair Permissions button. When the process is completed, then quit DU and return to the main menu.
Reinstall Lion, Mountain Lion, or Mavericks
OS X Mavericks- Reinstall OS X
OS X Mountain Lion- Reinstall OS X
OS X Lion- Reinstall Mac OS X
Note: You will need an active Internet connection. I suggest using Ethernet
if possible because it is three times faster than wireless. -
I Shut down my Mac by holding in the power button after my iMac froze and now when I try to turn it back it on all I get is the grey screen with Apple loge and the timer and doesn't get any further. I have tried the diagnostic test but nothing was found.
Take each of these steps that you haven't already tried. Stop when the problem is resolved.
To restart an unresponsive computer, press and hold the power button for a few seconds until the power shuts off, then release, wait a few more seconds, and press it again briefly.
Step 1
The first step in dealing with a startup failure is to secure the 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 the last backup, you can skip this step.
There are several ways to back up a Mac that is unable to start. You need an external hard drive to hold the backup data.
a. Start up from the Recovery partition, or from a local Time Machine backup volume (option key at startup.) When the OS X Utilities screen appears, launch Disk Utility and follow the instructions in this support article, under “Instructions for backing up to an external hard disk via Disk Utility.” The article refers to starting up from a DVD, but the procedure in Recovery mode is the same. You don't need a DVD if you're running OS X 10.7 or later.
b. If Step 1a fails because of disk errors, and no other Mac is available, then you may be able to salvage some of your files by copying them in the Finder. If you already have an external drive with OS X installed, start up from it. Otherwise, if you have Internet access, follow the instructions on this page to prepare the external drive and install OS X on it. You'll use the Recovery installer, rather than downloading it from the App Store.
c. If you have access to a working Mac, and both it and the non-working Mac have FireWire or Thunderbolt ports, start the non-working Mac in target disk mode. Use the working Mac to copy the data to another drive. This technique won't work with USB, Ethernet, Wi-Fi, or Bluetooth.
d. 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
If the startup process stops at a blank gray screen with no Apple logo or spinning "daisy wheel," then the startup volume may be full. If you had previously seen warnings of low disk space, this is almost certainly the case. You might be able to start up in safe mode even though you can't start up normally. Otherwise, start up from an external drive, or else use the technique in Step 1b, 1c, or 1d to mount the internal drive and delete some files. According to Apple documentation, you need at least 9 GB of available space on the startup volume (as shown in the Finder Info window) for normal operation.
Step 3
Sometimes a startup failure can be resolved by resetting the NVRAM.
Step 4
If a desktop Mac hangs at a plain gray screen with a movable cursor, the keyboard may not be recognized. Press and hold the button on the side of an Apple wireless keyboard to make it discoverable. If need be, replace or recharge the batteries. If you're using a USB keyboard connected to a hub, connect it to a built-in port.
Step 5
If there's a built-in optical drive, a disc may be stuck in it. Follow these instructions to eject it.
Step 6
Press and hold the power button until the power shuts off. Disconnect all wired peripherals except those needed to start up, and remove all aftermarket expansion cards. Use a different keyboard and/or mouse, if those devices are wired. If you can start up 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.
Step 7
If you've started from an external storage device, make sure that the internal startup volume is selected in the Startup Disk pane of System Preferences.
Start up in safe mode. Note: If FileVault is enabled in OS X 10.9 or earlier, or if a firmware password is set, or if the startup volume is a software RAID, you can’t do this. Post for further instructions.
Safe mode is much slower to start 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 the login password in order to log in. If you’ve forgotten the password, you will need to reset it before you begin.
When you start up 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, the startup volume is corrupt and the drive is probably malfunctioning. In that case, go to Step 11. If you ever have another problem with the drive, replace it immediately.
If you can start and log in in safe mode, empty the Trash, and then open the Finder Info window on the startup 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 restart as usual (i.e., not in safe mode.)
If the startup process hangs again, the problem is likely caused by a third-party system modification that you installed. Post for further instructions.
Step 8
Launch Disk Utility in Recovery mode (see Step 1.) Select the 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 may produce. Look for the line "Permissions repair complete" at the end of the output. Then restart as usual.
Step 9
If the startup device is an aftermarket SSD, it may need a firmware update and/or a forced "garbage collection." Instructions for doing this with a Crucial-branded SSD were posted here. Some of those instructions may apply to other brands of SSD, but you should check with the vendor's tech support.
Step 10
Reinstall the OS. If the Mac was upgraded from an older version of OS X, you’ll need the Apple ID and password you used to upgrade.
Step 11
Do as in Step 9, but this time erase the startup volume in Disk Utility before installing. The system should automatically restart into the Setup Assistant. Follow the prompts to transfer the data from a Time Machine or other backup.
Step 12
This step applies only to models that have a logic-board ("PRAM") battery: all Mac Pro's and some others (not current models.) Both desktop and portable Macs used to have such a battery. The logic-board battery, if there is one, is separate from the main battery of a portable. A dead logic-board battery can cause a startup failure. Typically the failure will be preceded by loss of the settings for the startup disk and system clock. See the user manual for replacement instructions. You may have to take the machine to a service provider to have the battery replaced.
Step 13
If you get this far, you're probably dealing with a hardware fault. Make a "Genius" appointment at an Apple Store, or go to another authorized service provider. -
I am having a recurring proble with my screen suddenly enalrging to the point where it is unusable. The power button is also not working. When I try to shut off the phone to restart it, I cannot swipe across the top to power off vbecause the screen is so big and unresponsive. Can someone help me with this problem?
Double tap the screen with three fingers to switch off zoom, then go to setting and disable it to make sure you don't switch it on again by accident.
http://support.apple.com/manuals/ -
Hi
I recently downloaded the new Firefox (Firefox 4, I think - you can tell I'm very tech savvy!) and it constantly freezes, I can't do anything with it at all - I can't even close it from the icon in my Mac dock bar.
I have tried restarting my computer - though I have to turn it off by using the power button as as Firefox is open and totally unresponsive it won't let me shut down. About a minute after re-starting Firefox, restoring my tabs or starting afresh, it freezes again.
This is obviously very annoying and I'm not sure what I can do about it. Firefox is my preferred browser, and I'd really like to be able to use it again!This is not a reply. I just want to elaborate on this problem.
My computer freezes occasionally when it is used after being sleep for a while. The spinning ball appears and everything is totally disabled. Nothing on the keyboard works.
The mouse moves, but does not work.
The only solution is to turn the power off and on (losing all data in open applications.)
I kept the System monitor running on the side to find out which program was running when the computer froze. The Monitor as well as all other applications froze, but the data showed:
Firefox 18.4%
Activity Monitor 0.9%
Firefox Plugin 0.2%
This is all the information I have. By the way, I am using iMac with OS 10.6. -
After resetting the SMC the keyboard is inoperative. On the start screen appears a traslucent square with a horizontal bar in white, and a row of empty dots below (the same format as for example the brightness symbol). I cannot turn the Mac off with the power button, only with the trackpad, clicking on the turn off symbol on the screen.
When I try to login with my username, no characters appear as I type.
I can login as a guest, but from there I can do nothing, because the keyboard is still inop and if I wanted to, for example, have the software updated, I need to type an admin login, which is impossible.
Thanks for your helpWhat happens if you close the lid? Sleep?
In your place I would use sleep state to reset PRAM, as it can resolve your graphical mess.
Your keyboard likely was not powered after SMC/PRAM failure, so you will need to open MBP cover without opening the lid and disconnect battery power cable with insulated tools from logic board, wait for 5-10 minutes, then try to reset PRAM while keeping cover -
So, my Iphone 4 now has a black screen. Before it did this I unlocked the screen (which has a passcode) try to open instagram and the screen flashed and went black. I can make calls and it seems to send messages but I dont know for sure because the screen is black. The power button (sleep) does not work and when I try to reset the phone it makes a call. I never synced it to a computer or Itunes and I didnt start photo stream. I want to preserve the pictures because it has photos of family members that have passed. Is there a way to get the photos?? Help please!
If you have attempted the reset, which is holding the home button and sleep/wake button, was it still connected to the computer? Have you tried to do that when not connected. You stated it never came on, how long did you hold the buttons together? If you cannot get it to connect to iTunes then you would not be able to restore the device. You can see if you can put the device into Recovery Mode by following the instructions in this support document. If that does not work, then you are correct, make an appointment at the Apple Store. If you can't update or restore your iOS device
-
My iPhone 4 will not turn on, when I plug it into my computer and load up iTunes its in recovery mode and the only option is to restore my device to factory settings, I have no back up of my phone I've also tried the home/sleep button thing but nothing, I have literally done every method I was told, I checked for water damage and that's fine. I don't want to restore my phone or buy a new one or pay for repairs because that's wasting money when it could be a simple way to fix it. And yes, I've also tried charging it and turning it in. I really need some help with my phone
That does happen. It depends on how hard the server is being hit, as well as the connection speed of your system. If you are on a windows system, you will want to disable any antivirus or firewall software during the download.
-
How do i fix my ipod if the power button doesn't work an my screen is damaged?
How do i fix my ipod, if the screen an the power button is damaged? Can i send it in, also can you guys reset it for me please?
You do not... you replace the device with a fully functional one.
-
okay I just recently bought a ipod touch 4thG and im already having issues. recently the power and volume buttons stopped working after i syncd my ipod, i shrugged it off figuring it would come back i could live without it. but today I was on my ipod while it was charging and the screen just froze so i pressed and held the home button (being that's the only button that actually works) then the screen turned this bright yellowish lime green color and its not responding to ANYTHING! my computer isnt even reading it when i plug it up into itunes! so what should i do? can anyone help me? i feel like i just wasted $200...
Try:
- iOS: Not responding or does not turn on
- If not successful and you can't fully turn the iPod fully off, let the battery fully drain. After charging for an least an hour try the above again.
- If still not successful that indicates a hardware problem and an appointment at the Genius Bar of an Apple store is in order. -
my ipod touch is frozen... the screen has a picture of the itunes logo and a usb charger. I have held the sleep button and the power button to reset and i have let the battery die and started to recharge...niether worked. any ideas???
Try charing it to 50% at least.
If all else fails, try putting it in DFU mode. Connect it to iTunes, (iTunes may not detect the device, but that's ok) hold the power and home buttons down for 10 seconds, then release the power button but keep holding the home button until it goes into DFU mode. iTunes should detect it and ask for a restore.
~Lt. Leviathan -
My lock screen is frozen! It will not let me slide to unlock or touch the screen at all. I can't power it down either because the lock button is broken. A friend of mine said I might need a new Digitizer? Is there anyway I can avoid that? Pleasae Help!
I am having the SAME exact problem! Except instead of lock button broken it's my home button so I can't do the whole "put in recovery mode" deal. My screen only says "tap the home button 3 times" and it has my screen locked until I hit the home button but since it is broken I can't get in my phone at all. I have all of my work info in my phone so I'm screwed and can't get any help. PLEASE let me know if you find a way around this...!!!
Thanks! -
my ipod is frozen nothing works i tried to restart it by pressing down the home button and power button at the same time but nothing works i was trying to get on my pinger app and it froze there all i see is the pinger sign its basically my life and i dont know what to do at this point any ideas on how i could get it going again?
Try:
- iOS: Not responding or does not turn on
- Also try DFU mode after try recovery mode
How to put iPod touch / iPhone into DFU mode « Karthik's scribblings
- If not successful and you can't fully turn the iOS device fully off, let the battery fully drain. After charging for an least an hour try the above again.
- Try another cable
- Try on another computer
- If still not successful that usually indicates a hardware problem and an appointment at the Genius Bar of an Apple store is in order.
Apple Retail Store - Genius Bar -
Decided to update iphone 4 to ios 5.1 and mid update it froze and the screen is black. Phone does not respond to any combinations of home and power buttons, when plugged into computer it does not see it is plugged in so I cannot restore or anything. Looks like the screen is on it's just unresponsive and black obviously. Has anyone had this problem? I was updating via wifi right in front of my router and my computer.
Spoke to a "senior advisor" in the Apple TV department. Her suggestions: change channel in router to minimize/eliminate wifi interference from other users; move router away from any metal - i.e., DVD player, phone modem, etc.; keep router away from wireless 2.4 gH phones, which are "notorious" for crashing wifi routers. So she confirms that the problem is one of connection to router suddenly dropping out.
My own feeling is that none of these fixes will do the trick, because it seems pretty clear that there is a hardware component here - the timing of the drops seems like an overheating issue. It takes 35-40 minutes for the box to warm up enough for the first drop; then each consecutive drop happens quicker than the one before, as it heats up more. Each time it drops, its tiny brain gets a little more scrambled; last night it finally wouldn't start up again at all.
My suggestion is that everyone who is experiencing this problem, please call Apple tech support and ask to speak to a senior advisor in the Apple TV department. Make them aware of this problem!
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