MacBook Display is Scrambled and System Will Not Boot Up

I have a 2007 15" MacBook Pro. The display is scrambled and the system will no longer boot up for me. I've connected an external display and it shows the same thing, so it's not an LCD issue. Most of the time I can't even get the computer to boot up anymore. It just goes to a solid white or solid blue screen. The only time I can actually log in to my computer is if I boot up in safety mode, but the screen is still scrambled and the computer does not work properly. Most of the time it crashes, going to a black screen at some point. Here is a link to an image of the display: https://fbcdn-photos-d-a.akamaihd.net/hphotos-ak-xfp1/t1.0-0/10463936_1015252696 9309534_2355610140415446061_n.jpg

That sounds like a failed logic board or display module on the logic board...either way you need to take it to an Apple store genius bar and have the techs test it to see exactly what has failed. The testing is free so give the techs a chance at diagnosing the problem.

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Installing update we had power failure and system will not boot

We do not have a current working back-up, how do I re-install the os w/o erasing the entire hard drive? We have a Intel Imac with snow leopard on it.

Thanks for the info. This is my fathers machine and I am the one that gets stuck fixing it when he has problems. I used to be an Apple Certified Repair Tech in 99/00 but that seems like a life time ago now.
The system came with 10.5. We upgraded to SL and have the disk and then to Lion which was a downloadable upgrade correct? I will take a look at the link you sent.
Thanks,
Matt

I have a MacBook Pro 15" and my warranty just ran out! I partitioned my harddrive into two partitions, one with Snow Leopard and the other with microsoft.This morning I turned on my Macbook Pro and it will not boot into Snow Leopard.

Good Morning,
I have a MacBook Pro 15" and my warranty just ran out! I partitioned my harddrive into two partitions, one with Snow Leopard and the other with microsoft.This morning I turned on my Macbook Pro and it will not boot into Snow Leopard. I shut it off took out the battery, reinstalled the battery. Then I put in the Snow Leopard CD and booted up to disk utility and The Snow Leopard partion would not show up?? I do see the microsoft partion.
I also rebooted holding down the shift key and still no Snow Leopard
Could you please tell me what I can do, what keys do I press on restart any advice to get Snow leopard back.
thank you.

Have you restarted holding down the Opt key? That procedure should give you a gray screen with all of the partitions that exist. Then select the SL partition for boot. Also go to System Preferences and Startup Disk, unlock the lock and select the SL partition as the default boot partition, then relock.

Windows 8 and Canvio Desk 3TB: System will not boot when external hdd is connected

http://h30434.www3.hp.com/t5/Desktop-Operating-Systems-e-g/HP-PAVILION-A6109N-amp-windows-8-System-w...
Hi,
just recently upgraded to Win Pro on my HP PAVILION A6109N. I also bought a toshiba canvio desk 3TB. What I notice is that if I reboot my pc with the extermnal HDD connected, my system will not boot.
I have check my BIOS boot settings and the order of the boot.
I have tried disabling USB Legacy Support in the BIOS
I have reformatted the external HDD
but still my desktop will not boot if the external HDD is connected....If I disconnect the external HDD...the system will boot up ....
I am at a loss....*** scratching my head ***

Update: The only solution for me was to format the drive as ext3 and plug it into one of my Asus RT-N66U USB ports, as most routers don’t yet recognize 3TB drives as NTFS. It’s not much help to people who don’t have a router with this capability, and it also slows transfer rates to ~12MB/s.
Given the short length of the cable, your only other options are to have the 3TB Canvio sitting right next to you so you can unplug from a front USB port before each boot, or place it towards the rear of your desk and crawl under the desk to disconnect it from your PC prior to each boot.
It's a pity because Toshiba produce great internal HDD's, but my experience when it comes to external drives is they're simply junk. I wish I had read the reviews before purchasing.

My Macbook aliminium unibody from late 2008 will not boot. I reach the grey screen with the apple icon and the spinning grey gear. I used disk utility to boot it but it said integrity test failed. I don't know what to do can anyone please help?

My Macbook aliminium unibody from late 2008 will not boot. I reach the grey screen with the apple icon and the spinning grey gear. I used disk utility to boot it but it said integrity test failed. I don't know what to do can anyone please help?

Sounds like you may have a harddrive issue. You are probably going to need to get that changed out and then install the OS X again to get it going.

My 27" iMac displays vertical green lines when turned on and then will not boot up

Can anyone tell me why my 27" iMac displays vertical green lines when it is turned on and then will not boot up?

Welcome to Apple Support Communities
The display or graphic card are damaged. The only thing you can do is to take your computer to an Apple Store or reseller to get your computer repaired.
If you use an external display with your Mac, connect it to your computer and see if these lines appear on the external display. If so, it's a graphic card problem

I'm trying to use idvd '09 version 7.1.2 on a powerbook running lion 10.7.2, the system does not locate any themes and therefore will not boot up, any suggestions?

i'm trying to use idvd '09 version 7.1.2 on a powerbook running lion 10.7.2, the system does not locate any themes and therefore will not boot up, any suggestions?

Hi
May be help here
iDVD Themes
iDVD 1 to 7.0.4
Root level = Macintosh HD / Library / Application Support / iDVD / Themes
or
Macintosh HD / USERS / Your name or login identity / Library / Application Support / iDVD / Installed Themes
iDVD 7.1 (from F Shippey )
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iDVD - ctrl-click Show content of package
Resources / Plug-ins/ - and here they are
See if You can restore them manually.
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The system will not boot

Hello, I am trying to install windovws after the restart can not install Yosemite because can`t please format the hard disk.Please help because just yesterday bought macbooc

FYI...the top partition is too full. You need free space. You will need to remove the bottom partition then make the top partition larger. Make sure you have 10% or more free space. If you use Parallels or VMware you don't have to partition your drive. If you use the vm software you can run Windows wihtout having to reboot into bootcamp each time you want to use it.
See this link for help after you resize your top partition.
https://www.apple.com/support/bootcamp/
I forgot to ask...
If the system will not boot, how are you seeing Disk Utility. Are you booted from the Recovery Drive? If yes, then you will need to erase the internal drive and reinstall Yosemite on the internal. When you erase, make it one partition. You can add a second partition later that's smaller.
Note: you posted in the OS X 7 Lion instead of the Yosemite forum. In the future, asking on the correct forum gets the best answers.
Parallels http://www.parallels.com/
VMware Fusion http://www.vmware.com/products/fusion/

New system will not boot up.

I am in the process of building a new system and it will not boot to the post. The power gets to the cpu fan and case fan for about 5 seconds then shguts off. I have to clear cmos to get the same response. Please help, I have pulled everything from the case and tried to boot with just the cpu and memory. Same result.

Quote
Originally posted by FastEddie
The Antec Bug involves their True Power line of psu's and involves a problem with the +5vsb. It's caused quite a few problems with many different boards, from stability issues, to boot issues, to freezing in cmos setup issues. Here's a couple links:
Antec Problems with Neo 2 Platinum
Antec RMA
Read these through.
Would be nice if you guys had different psu's to try.
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Operating reference system will not boot.

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Hi NcBunky,
Are you using Win 7 64 bit? Did you update the Texas Instruments (TI) USB 3.0 XHCI Host Controller?
I have an H8 1380t PC. Updated the TI USB 3.0 driver and had the same problem.
When booting the PC with the USB 3.0 external drive connected to the PC the PC would not boot. When booting the PC with only the mouse, keyboard, and a USB 2.0 external drive attached the PC would boot. Once booted you could attach the USB 3.0 drive and it worked fine.
Solution was to roll back (reinstall) the TI USB 3.0 XHCI Host Controller to the original factory installed driver.
System now boots with the external USB 3.0 drive attached.
Jaco
****I am not an HP employee****
Please give a" Kudos" if advice received is relevant or" Accept as Solution" if your problem has been solved.
+++++++++++++++++++++++++++++++++++++++++++++++++++++
H8 1380t CTO, Intel i7 3820
16 GB DDR3
Pegatron Motherboard- IPIWB-PB (Pittsburgh), Radeon HD 7570 1GB. Win 7 Home Premium upgraded to Windows 8.1 Pro.
Envy Phoenix 810-150se, Intel i7 4820k
16 GB DDR3
Pittsburgh2 Mainboard, NVIDIA GTX 645- 2GB GDDR5. Win 8.1 Pro.
HP 560z CTO AMD Phenom II X6 1090T
16 GB DDR3.
Radeon HD 6570
Win 7 Home Premium upgraded to Win 7 Pro.
HP ENVY 17t-j000 CTO Quad Edition Notebook. I7 4702mq
12 GB DDR3
Nvidia Graphics
Win 8 Pro
Errare humanum est.

System will not boot up

MB: KT6 Delta-LSR
CPU: XP2500 Barton
GFX: Asus V9520 Magic/T 128mb
RAM: 1028 pc3200 ddr400 (2x512) Geil Branded
HDD: Maxtor 40GB 2mb Buffer
Put it all together formatted the HDD, installed windows, network was working perfectly. (on ASUS via600 board)
Next day turn it on and nothing, zilch not even a flashing cursor top left of screen, dont even boot to DOS. screen is completely blank.
Tested CPU, GFX, RAM and PSU in another base unit and they work fine, yet put them all together and nothing.
1st I thought it was the mainboard so I sent the ASUS board back and ordered the KT6 Delta nice looking board. But still exactly the same problem.
Lights on case are lit all fans are turning ect yet still the system will not boot up i dont even get a flashing cursor top right of my screen.
There is no light with this mainboard for some reason.
All components work when fitted to another mainboard in a different case.
NB: one thing I have noticed is that there are two power sockets on this board,
1. The usual 20 pin socket (which I am connected to)
2. A 4 pin socket near to the CPU (whilst my PSU has a plug that will fit this sockect also, I am unsure as to connect instead of/as well as or leave unplugged.

Like I have stated before, it is the compatibility issue related towards your chip fsb and your memory fsb. I know that not everyone has money to go buy another stick of memory, I don't. But maybe you could exchange from the place you bought and say that it was a mistake? The cheapest route without getting the fsb chip to match the fsb of the memory stick is to get PC2700 memory. Have you tried going for this yet? I'm sure that your motherboard may not be shot, my board didn't get shot after trying to the two different fsb. You have to understand, motherboards are picky when it comes to running the hardware. If there is a conflict, it won't run right, I could run at a lower fsb and get it to work fine, but it wasn't at it's full potential, and I wasn't going to waste my time trying to find the fsb that would work correctly. So, I just let my friend have the stick back. This is why I'm asking you to try a lower speed stick of memory, because I have experienced this. But so far you haven't even seemed to notice my replies, could you take a quick overview of what I have said? Sorry if I come off as rude, just I am taking the time to write these replies and really am trying to help from my knowledge base. I have experienced this type of problem of what you are talking about personally.
Ok, so maybe I might not know it all, seeing that other people replying here have the same mb spec and chip fsb and memory like your trying to run, they might know more when it comes to that area for sure, just I didn't have luck trying to run a faster stick of memory compared to my chip, even though my board could run it, I couldn't get it to work, at all. I would just get a black screen, I thought I shot my GPU. Then I reset CMOS and the bios would flash, then when it would start pulling from harddrive, boom, black screen again. I had my friend tinker with my volt. to the right volts of the memory stick, still couldn't get nothing. This is why I am a little skeptical about you being able to run it at all in the long run. Hopefully you can find a way, maybe it is your manufacturer of your stick, but my conclusion is, if it isn't going to work with one, or two of same speed, try lowering it. Like I said, I tried it on this setup right now, and I didn't have to replace the chip or mobo, or gpu, so those should be fine.

System will not boot with Seagate 3Tb expansion drive plugged in.

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Hi NcBunky,
Are you using Win 7 64 bit? Did you update the Texas Instruments (TI) USB 3.0 XHCI Host Controller?
I have an H8 1380t PC. Updated the TI USB 3.0 driver and had the same problem.
When booting the PC with the USB 3.0 external drive connected to the PC the PC would not boot. When booting the PC with only the mouse, keyboard, and a USB 2.0 external drive attached the PC would boot. Once booted you could attach the USB 3.0 drive and it worked fine.
Solution was to roll back (reinstall) the TI USB 3.0 XHCI Host Controller to the original factory installed driver.
System now boots with the external USB 3.0 drive attached.
Jaco
****I am not an HP employee****
Please give a" Kudos" if advice received is relevant or" Accept as Solution" if your problem has been solved.
+++++++++++++++++++++++++++++++++++++++++++++++++++++
H8 1380t CTO, Intel i7 3820
16 GB DDR3
Pegatron Motherboard- IPIWB-PB (Pittsburgh), Radeon HD 7570 1GB. Win 7 Home Premium upgraded to Windows 8.1 Pro.
Envy Phoenix 810-150se, Intel i7 4820k
16 GB DDR3
Pittsburgh2 Mainboard, NVIDIA GTX 645- 2GB GDDR5. Win 8.1 Pro.
HP 560z CTO AMD Phenom II X6 1090T
16 GB DDR3.
Radeon HD 6570
Win 7 Home Premium upgraded to Win 7 Pro.
HP ENVY 17t-j000 CTO Quad Edition Notebook. I7 4702mq
12 GB DDR3
Nvidia Graphics
Win 8 Pro
Errare humanum est.

How do I get recover disc for vista when system will not boot???? For Pavilion pc a6157c

Pavilion pc a6157c How do I get recover disc for vista when system will not boot????

Read THIS HP Support Document concerning ordering recovery discs for your HP a6157c. Go to THIS HP webpage to order the "Vista Home Premium 32bit 73NAv3PrA1 + Supp 4 Recovery Kit" for your computer. If you are not looking to order the recovery discs or have some other issue with your computer, please provide detailed information concerning the problem.
Frank
Frank
{------------ Please click the "White Kudos" Thumbs Up to say THANKS for helping.
Please click the "Accept As Solution" on my post, if my assistance has solved your issue. ------------V
This is a user supported forum. I am a volunteer and I don't work for HP.
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I have an iphone 4 and it will not boot. I've done everything except downgrade the firmware to 6.1.3 or 6.1.4... is this what needs to happen and if so can I please get a link to do so? thanks

I have an iphone 4 and it will not boot. I've done everything except downgrade the firmware to 6.1.3 or 6.1.4... is this what needs to happen and if so can I please get a link to do so? thanks

Hi JACOBfromINSIDEaLION,
If you are unable to get your iPhone to restore, you will want to perform a restore from recovery mode, as explained in the following article:
If you can't update or restore your iOS device
http://support.apple.com/kb/HT1808
Thanks for being a part of the Apple Support Communities!
Cheers,
Braden

Hello I have a imac G5 17" and it will not boot up.

Hello, I have a imac G5 17" and it will not boot up...... There isn't any chime when you turn it on and the led light will come and fade out a little but will stay on and the screen will stay black. Does any one have any suggestions on what's wrong and how to fix it?
<Re-Titled By Host>

The bottom of that article says to contact an authorized service technician. You may also find that simply replacing the PRAM battery (the coin shaped battery) helps. Note: if you have any capacitors that are labelled X on their top (as opposed to just K), you may have the problem of the leaking capacitors which required a power supply and/or logicboard replacement. The leaking capacitor was an industry wide problem.

MacBook Display is Scrambled and System Will Not Boot Up

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