Wont boot but fan runs

Laptop is a Satellite L655-S5076. My daughter turned her laptop on, the fan starts running slow then speeds up as if to boot but it just stays running fast. The LED for the power is lit but not the led for the harddrive. I powered it down holding the power button. I listened and watched when I powered up and noticed the led for the harddrive blinks on then off quick. You can here the HDD start to spin but stops just as quick as the led light. I thought the HDD was bad so I ordered another Toshiba exact part and it does the same thing. A different sight mentioned about the CMOS battery so I pulled and checked it. The battery read 3V so it was good. I reseated every hook-up and card that was removeable. It does the same thing with battery or wall power. The disc drive opens so I tried putting my Windows 7 disc in and it did nothing. Is it the motherboard and if so is it cheaper to buy another Laptop? This one was only $542 on sale Dec 2010.

Tried reseating the cards but it still does the exact same thing. Fan initially comes on at low speed the switches to high speed but no response. No Toshiba logo or anything. Good news though. My wife thought we had got a warranty plan when we bought it so I looked through all my papers and sure enough we had a 3 year warranty plan we paid extra for during the purchase. It is good until Dec 2013. I called and they are going to send it to a company that fixes PC's called Teleplan. If it can be fixed at a reasonable cost, they will repair it and ship it back. If it cost more than the laptop is worth they will reimburse the full purchase price including tax for the lap top. This is the first warranty I have used before it expired. So, Thanks for your help with ideas on fixing the laptop.

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Mac os X wont boot up, im running snow leopard.

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Your Leopard discs are useless, since this machine shipped with Snow Leopard. Boot the machine with the disc that came with it and run Disk Utility from there. Since you say it's new, call AppleCare and let them fix things if you're unable to start it up.

IMac 27" (2013) is switch off but fan run at full speed

Hello to everyone,
I have this 'fan runs when I power down the iMac' issue with my 2013 27' iMac purchased in January.
My Imac has worked flawlessly until yesterday, after a few days ago I started to use the usb hub (powered USB 3.0 4 ports hub).
Yesterday morning after working normally I put the iMac in standby mode (menu apple-stop); yesterday evening I try to wake up the iMac with no responses. I tryied to shut down by holding down the power button without any results. At the end I unplugged power cord, at which point the fan starts to rotate at high speed, stopping only when I turn on the imac.
After that the imac works on a regular basis when turned on. Then when I turn it off (apple menu-shutdown) the fans start again until I pulled the plug.
I tried resetting smc and pram, without success.
Here
https://discussions.apple.com/thread/4628811?start=15&tstart=0
I find more guys with similar issues...
Thanks in advance for any help,
Daniele

Contact Apple's Support, formerly Apple Express Lane and let them deal with it since your machine's fully covered for the first year.—three years if you have AppleCare's protection plan. If you do and you're within 50 miles (80 KM) of an Apple repair station, you might be eligible for an onsite repair since yours is a desktop machine (depends on where you're located).

Mac pro 2006 dont boot but fan's running like ****.

guys, my mac pro 2006 starts with the fan loud , seems running at total velocity. The video card doesn't show nothing. The usbs dont work. when i extract the video card , the problem is the same. I take the memory too, and the hd . The problem keeps going on.
The fan start's from zero to a million rpms.
The check leds on the motherboard are ok, no one of them are lighting. If i take every part of the machine and i put them outside, the same thing happen.
can you helpme?

Make sure your Ram is paired correctly when you install it --
And the long boot time is due to the previous reply. If you don't set a 'boot drive' the mac pro will look everywhere before selecting the OSX installation.
I've got the dual 300GB Velociprators in raid 0 with 80GB Intel ssd boot drive in my mac pro (same as yours). You can also boost your clock speed by a software trick .. I can get mine over 2.9 MHz before errors start popping up in console.
(problem is it screws up video playback and time)
http://www.zdnet.com/blog/apple/overclock-a-mac-pro-or-xserve-in-software/1910?t ag=content;search-results-rivers

IMac 24" (mmid 2007?) Black boot screen, Fans run normal, HDD Spins, Optical drive Spins, no chime and can't find how to fix.

So my girlfriend boss wanted me to fix her computer. So I brought it home turned it on, and it didnt chime but it booted to the gray screen with apple logo/ slashed circle/and folder with a "?" So I made a USB Mac OS x bootable drive (FLASH) held down alt (try using a windows keyboard its fun) was able to select option and install a fresh copy. all seemed well was running really hot so I poped of the screen. HOLY MOLY! this thing is CAKED with dust, and I am not kidding it has literally piles of dust. So I ran updates, and did firmware updates. Turned it off for the night.
The next morning I went to radio shack and got Dust remove spray, opened it up made sure I was carful taking off the screen, and blew the sucker out. now its NICE and CLEAN. then i made sure I plugged everything in and turned it on. Drive spun like normal, Optical checked for a CD, and fans are also running normally. but no chime, no nothing stays as silent as normal but doesnt budge, it is like it hangs.
Some background knowledge I know next to nothing about Apple, I am Windows based but have been intreged with the new line of Mac Books. anyone help me out?

I figured it out it was the ram. I had took one from my old laptop and its was 6400, and the Mac i have calls for 5300 i went picked some up and wam it turned right on. WOOT!

G5 Wont start up fans running high

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Jbmmusic

Hi There! Have patience with me, cuz I'm new to this posting discussion stuff....I answered your posts last night but saw that they never made it here, that is why I sent the quick post today informing that after searching my brain all night while I should have been sleeping, I just decided to change out the battery and I actually had one on hand, and what a simple process and savior! All has been fine up to this point, and I do plan on returning the ram from Crucial as per my previous post unless you have other suggestion.
Here is the info you requested:
Hardware Overview:
Machine Name:          Power Mac G5
Machine Model:          PowerMac11,2
CPU Type:          PowerPC G5 (1.1)
Number Of CPUs:          2
CPU Speed:          2 GHz
L2 Cache (per CPU):          1 MB
Memory:          4 GB
Bus Speed:          1 GHz
Boot ROM Version:          5.2.7f1
DIMM0/J6700:
Size:          512 MB
Type:          DDR2 SDRAM
Speed:          PC2-4200U-444
Status:          OK
DIMM1/J6800:
Size:          512 MB
Type:          DDR2 SDRAM
Speed:          PC2-4200U-444
Status:          OK
DIMM2/J6900:
Size:          512 MB
Type:          DDR2 SDRAM
Speed:          PC2-4200U-444
Status:          OK
DIMM3/J7000:
Size:          512 MB
Type:          DDR2 SDRAM
Speed:          PC2-4200U-444
Status:          OK
DIMM4/J7100:
Size:          1 GB
Type:          DDR2 SDRAM
Speed:          PC2-4200U-444
Status:          OK
DIMM5/J7200:
Size:          1 GB
Type:          DDR2 SDRAM
Speed:          PC2-4200U-444
Status:          OK
DIMM6/J7300:
Size:          Empty
Type:          Empty
Speed:          Empty
Status:          Empty
DIMM7/J7400:
Size:          Empty
Type:          Empty
Speed:          Empty
Status:          Empty
I tried adding the 4GB Kit from Crucial @ PC2-5300 and my G5 only recognized it at 3200 which I'm assuming that is what the rest of my ram will run at. I figured it's best to have 4GB of ram that run at 4200 than 8GB of ram that run at 3200????? Hence big question number two of the day! Thanks!

Itunes wont open, but is running.

Alright.
My problem is Itunes (Up to date) will not open.
I click on the shortcut.
and then it does not launch.
but when i open task manager.
It isnt in my applications, but it is in my processes.
I have uninstalled everything as multiple forum fixes have said to do and it has done nothing.
reinstalling does nothing.
There has to be a different answer than just uninstall/reinstall.
Can anyone shed some light on this, or am i screwed until the next update that MAYBE fixes it.

Doublechecking. Have you worked through the following troubleshooting document?
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My windows works perfectly, however i cannot boot into mac.
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Startup to your Snow install DVD and try repairing disk. You also might try following the [steps here including resetting your SMC if necessary|http://support.apple.com/kb/HT3964?viewlocale=en_US].

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Web dude

Thanks for the ideas MyrkridianRhapsody, but no go. It isn't booting at all.
I found a few apples sites with the following possible solutions that I will try, but my gut is telling me I fried the mother board again. I don't have the money for a new pro-mac, so I hope there is a low-cost mother-board replacement available for my 6 year old mac (any comments?).
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Power Mac G4: Screen is Black, No Startup Tone, Drive Does Not Operate
The Power Mac G4 computer screen is black. The boot tone is not present, the drive does not operate, but the fan is running, and LED is lit.
This article covers repair procedures for authorized service providers on selected Apple products, but we have published them in the Knowledge Base for the general public for educational purposes. At this time, there are a limited number of repairs that a customer can perform and these are covered under the customer installable parts program http://www.info.apple.com/installparts. If you have not been authorized to perform these procedures, please contact Apple (800-APL-CARE in the USA) or your local authorized service provider to schedule a repair.
Symptom
The Power Mac G4 computer screen is black. The boot tone is not present, the drive does not operate, the fan is running, and LED is lit.
Affected Products
o Power Mac G4
o Macintosh Server G4
o Macintosh Server G4 with Mac OS X Server
Solution
DANGER! This procedure exposes you to high voltages that can result in death or serious injury. DO NOT ATTEMPT THIS PROCEDURE IF YOU HAVE NOT BEEN CERTIFIED AS AN APPLE-AUTHORIZED TECHNICIAN.
1. Power Mac G4 (PCI Graphics): Check jumper block at J25. Make sure jumper is correct color for processor type, includes all required inner metal clips, and is installed in correct direction. See "Processor Module" in Service Source Take Apart for more information.
2. Check video cable/card connections.
3. Reset the Cuda chip. Refer to article 95065: "Power Macintosh G4 (PCI Graphics): Resetting the Cuda Chip"
Solution
Press the Cuda reset button on the logic board to reset the Cuda chip. The Cuda reset button is located to the right of the battery. Note: If the computer still fails to power up, refer to article 95066: "Power Mac G4 (PCI Graphics): Resetting the Logic Board".
4. Reset the logic board. Power Mac G4 (AGP Graphics): Refer to resetting the PMU in article 95037: "Power Mac G4 (AGP Graphics/Gigabit Ethernet): Resetting the PMU on the Logic Board ". If you have a Power Macintosh G4 (PCI Graphics): Refer to article 95066: "Power Macintosh G4 (PCI Graphics): Resetting the Logic Board".
Procedure
1. Unplug the computer.
2. Press the Power On button on the front of the unit.
3. Open the side access panel.
4. Remove the battery from the logic board.
5. Wait at least 10 minutes before replacing the battery.
6. Make sure the battery is installed in the correct +/- direction.
7. Reassemble the computer and test the unit.
Note: This procedure resets the computer's PRAM. Be sure to check the computer's time/date and other system parameter settings afterwards.
5. Reseat video card.
6. Reseat SDRAM DIMMs. Make sure DIMMs are PC-100 DIMMs.
7. Reseat the processor module.
8. Remove all SDRAM DIMMs and try replacing them one at a time to test. Replace any bad DIMMs.
Resetting the PMU Chip Procedure
http://docs.info.apple.com/article.html?artnum=95037
a. Disconnect the power cord and check the battery in the battery holder (BT1). The battery should read 3.3 V to 3.7 V. If the battery is bad, replace the battery, wait ten seconds, and then reset the PMU (refer to the next step). If the battery is good, go to the next step.
b. Press the PMU reset switch (S1) once on the logic board. Do not press the PMU reset switch a second time because it could stop the PMU chip from responding.
c. Wait ten seconds before connecting the power cord and turning the computer on. If the computer turns on, go to the next step. If the computer does not turn on, there is something else wrong with the computer.
d. Run MacTest Pro and return the computer to the customer.
Note: This entire procedure resets the computer's PRAM. Be sure to reset the computer's time, date, and other system parameter settings before returning the computer to the customer.
9. Replace video card.
10. Replace processor module.
11. Replace logic board.
12. Replace the power supply.
It is always worth resetting the pram
as well by holding down alt-apple-p-r at the same time immediately after
booting the machine up.

Have a late 2006 iMac with new Ram installed in late 2011 . I am currently running Mountain lion. Did/ hit something while half asleep and was asked for my recovery password didn't know it.Not sure what i did after that but wont boot just searches,

I have a late 2006 iMac with new Ram installed in late 2011or early2012 . I am currently running lion. Did/ hit something while half asleep and was asked for my recovery password, I didn't know it & not sure what I did after that but it wont boot up just searches with a light grey whit -ish screen. Cant get it to clear. Any advice?
Charlies Secret Angel-

Try to boot in Safe mode, see if you are able: Hold down shift and then power on. For wireless keyboards, hold down shift after the chime.
Safe Boot
Resolve startup issues and perform disk maintenance with Disk

Dm4 wont boot- hard disk error but passes hard disk test

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With the intermittent errors,it sounds like the hard drive is failing and will need to be replaced. A retail laptop SATA hard drive can be used. Just be sure to get one of at least equal capacity as the original in order to use Recovery Discs. It can be larger, but not smaller capacity.For instance if you have a 500GB hdd you could use a 750GB hdd but not a 320GB hdd.
As for whether it is possible to recover your files it depends on how much life is left in the hard drive.Many times you can remove it, attach it to a USB Adapter or install in a USB Enclosure to plug into working machine via usb port and copy files over to the hard drive of host machine.
If you need more help selecting/replacing the hdd post back with full Model & Product Number as listed on the Service Tag attached to bottom of laptop.
How Do I Find My Model Number or Product Number
******Clicking the Thumbs-Up button is a way to say -Thanks!.******
**Click Accept as Solution on a Reply that solves your issue to help others**

TS1587 I tried everything, except for reinstalling the SO-DIMM memory modules. Still, my iMac will not wake up. Turning it on you can hear the fan run, but the display stays dark. Any ideas what to do? Thanks Maja

My iMac won't start up, or wake from sleep. I've tried everything, except for reinstalling the SO-DIMM memory modules. Still, my iMac will not wake up. Turning it on, you can hear the fan run, but the display stays dark. Any ideas what to do? Thanks!

Mac doesn't boot
Can you hear the fans and hard drive and see the white boot screen? Flashing question mark? The circle just runs and nothing happens? Only black screen and nothing else? These can be very helpful to diagnose the source of the problem. [1]
Flashing question mark [2]: This is usually a sign of a failed hard drive. This indicates that boot up volume can not be found.
Black screen: This is usually a sign of a failed logic board. There is no single reason for this and this may be caused by failed GPU, screen, CPU or RAM.
Circle of death/no circle/blue screen: This is usually a sign of a hard drive failure. This may NOT be a dead hard drive, just broken permissions or something
Gray screen/Apple logo/spinning gear or globe/prohibitory sign/folder with flashing question mark [3]: This could be a sign of faulty hardware but more likely a software issue, i.e. broken permissions, failed software update, etc.
[edit]
What to do
First, hold down the option key (also known as the alt key) just after you've pressed the power button. This should show all the available options to boot from, so if you have Windows installed through Bootcamp or a disk in your SuperDrive, you should be able to see them along with your OS X drive/partition. Select the OS X partition with arrow keys and press enter. Startup key combinations
If that doesn't help continue doing the steps from below:
1. SMC reset [4]. Shut down and unplug all cables including power cord for at least 30 seconds and then plug in power cord and keyboard/mouse.
2. PRAM reset [5]. Hold down option, command, P and R while booting. Start it when you hear the sound and don't let go before it reboots.
3. Safe boot [6]. Hold down shift while booting to boot into safe mode. If this works, open Disk Utility from Utilities and repair your permissions and verify the disk
4. Hardware test [7]. Insert the install disk (disk 1 in Mac which shipped with OS X 10.5.4 or earlier, disk 2 if shipped with OS X 10.5.5 or newer) and hold down "D" before the grey boot screen opens. Follow on screen instructions
5. Boot from install disk. Boot from the disk that came with your Mac. Hold C while booting. Select Disk Utility from top bar and repair permissions and verify the disk. Reboot normally and see if it works now.
6. Boot from another Mac (Firewire target disk mode). Connect the machines with a Firewire cable. Power on your Mac and press T. Select the other Mac's hard drive. Download the current OS X combo update. Run the combo update installer and select the drive that won't boot as the destination.
7. "Repair" OS X. Boot from the install disk as in point 5. and reinstall OS X. This should NOT erase any data, just replaces the system files which may have caused your booting problem. Now install the latest combo update for OS X and repair permissions on your drive with Disk Utility.
7.1. Install OS X into an external hard drive and then boot from it [8] and try to copy your data from the hard drive before proceeding. If you have done a backup recently, you don't have to do this.
8. Restore OS X from Time Machine backup. Boot from the disk that came with your Mac and choose the Time Machine restore option. This step will lose any changes made since your last backup but the system and your data will be put back to exactly as it was on that date.
8.1 Reinstall OS X. Boot from the install disk as in point 5. and select Disk Utility again. Now erase the whole hard drive and install OS X again. If you had a Time Machine backup and step 7 worked you don't have to do this.

I reinstalled osx 10.8.2 from recovery disk, now verify disk says my hard drive is there but wont boot into it regardless which partition i select to boot into , everytime it boots me into the recovery, i need help!

Mb pro running like garbage with 10.8.2 tried a reinstall of osx from recovery utility now the utility says my hard drive is ok but wont boot into it keeps booting me back into recovery tried restart option to select disk tried using the select startup disk from recovery, gives a message asking if i really want to boot to it and in that message is the only rime it shows a question mark on the drive dont know what to do cant find similar issue

Your rushing and not making much sense.
Your machine was running like garbage, so you tried to reinstall 10.8---did you do this or not?
Disk Utility says your drive is ok, that's good.
But when you boot it keeps booting Recovery HD, so perhaps the firmware has made a mistake, it can forget.
You held the option key down to boot into Startup Manager, why didn't you select OS X for the boot volume?
When you get into OS X you change the Startup Disk in System Preferences, that should take care of the Flashing Question mark issue.
attemtping to ireinstall osx from recovery partition bar is full on install screen, but im now at -6hours remaining
So now your reinstalling OS X like you set out to do before, it does take some time as it has to download from Apple's servers.
If your Internet connection is slow and/or Wifi is slow then it will take awhile.
So you should have the Flashing Question Mark and Reinstall Only OS X covered.
You should be able to boot the machine, but your performance issues may be something else and still remain.
Why is my computer slow?
Step by Step to fix your Mac
https://discussions.apple.com/community/notebooks/macbook_pro?view=documents#/?p er_page=50

Wont boot but fan runs

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