White screen before system boot

Hi
I have a problem with my HP ProBook 4710s. Sometimes when i turn on my notebook, screen goes white (with grey vertical strips):
Everything go back to normal when appears login screen to Windows.
Already two times I gave it to the repair and the problem still occurs (after repair 1-2 months it's ok).
Does anyone have an idea how to solve this problem?

Any ideas what's wrong ?

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Just tried setting up bootcamp on MacPro. Computer now boots to white screen before going to black screen with curser in upper left corner. Can anyone get me back to Mac operating system so I can start over again?

Just tried setting up bootcamp on 2014 MacPro 13" laptop. Computer now boots to white screen before going to black screen with curser in upper left corner. Can anyone get me back to Mac operating system so I can start over again?

Hi there rjr25350,
You may find the information in the article below helpful.
Boot Camp: Windows installation boots to black screen with blinking cursor
http://support.apple.com/kb/TS4536
-Griff W.

My MacBook pro won't recognize hard drive I put in it. It boots only to a white screen unless I boot to my recovery USB. If I do that then I can select my USB and my external time machine drive in the disk utility, so no problems there. But what do you

My MacBook pro won't recognize hard drive I put in it. It boots only to a white screen unless I boot to my recovery USB. If I do that then I can select my USB and my external time machine drive in the disk utility, so no problems there. But what do you think it is? It won't recognize any hard drive I put in the machine, so might it be the sata cable?

Boot the Recvoery USB, use Disk Utility to select the internal drive makers namea and size on the left.
Now select erase and select the midde option and click erase, it will take a bit to complete but it's best for the drive.
Now select Partiton tab, click the big box and Options: GUID and then Format: OS X Extended journaled and click apply.
Quit and you should be able to install OS X now with your Apple ID and password.
see
http://osxdaily.com/2011/08/08/lion-recovery-disk-assistant-tool-makes-external- lion-boot-recovery-drives/

White screen.. no boot!

I had my macbook running idley today with itunes and firefox running, when the software update program asked me that updates were available, and that they required a restart. So i clicked okay, restart now, and then entered my password.
Sure enough my macbook continued to restart, but on boot up, it gets to the white screen, and it stays there, i left it for a few hours, but nothing else happens.
If i hold down shift during boot up, i can successfully boot up in safe mode..
Whats going on? is there anyway i can uninstall the updates, so i can boot in regular mode?

What did you update?
Start up from your install disk & repair the disk. To use the Install Mac OS X disc, insert the disc, and restart your computer while holding down the C key as it starts up.
Select your language.
Once on the desktop, select Utility in the menu bar.
Select Disk Utility.
Select the disk or volume in the list of disks and volumes, and then click First Aid.
Click Repair Disk.
From reviewing these forums it is suggested that you repair permissions before and after updating.

White Screen - total system failure

I just purchased a new MacBook Pro, 1.83 GHz, serial # begins with W8614. I set up the AirPort wireless base and at first I could only get an internet connection right next to the base - I lost it if I moved farther away. I tried again later from the next room and this time the internet connection seemed to work. I was browsing the web and suddenly the entire screen went white for a few seconds, then nothing. The screen went dark and the computer died.
I unplugged it from the power source and plugged it in again, closed and opened it, tried every button, couldn't get anything to happen, the screen was totally dark. The computer was still on, though, because it was hot and the little white light at the latch on the front was on. I assumed the battery was still running, so I waited overnight for it to run out.
The next morning it was cold and the latch light was off. I plugged it back into the power adapter and tried to turn it on. For a second I heard a flicker of noise and then nothing again.
I called Apple tech support and they asked me to try a few things like resetting the power manager but nothing worked, it was still dead. So they arranged for me to send it in for repair. My question is: what could cause this kind of total system failure? It died completely in the first few minutes I was using it! Apple's always crowing about how reliable its computers are compared to the competition, but this performance is ghastly. It does not inspire confidence, to say the least. Can this kind of problem be repaired? Should I have any faith in the machine once it's returned to me? Yipes.

I bought it from Amazon, not Apple. Amazon allows you to return opened computers within 30 days, but they charge a 15% fee. I was hoping when I called Apple tech support that they'd just offer to replace it right away, but I guess if you buy the computer somewhere else their policy is to try repair first.
Certainly if Apple can't repair it, they'll send me another one. It's just that I never heard of a computer totally dying like that right after purchase - I wasn't aware how often that occurs. I'm just worried it might be buggy and crash frequently after I get it back - in other words, it might be a lemon. Hopefully I won't have to have it repaired over and over. Plus, of course I'm annoyed that I just acquired my shiny new expensive machine and now I have to wait two weeks before I can begin to use it.
Thanks for replying. Do you have an idea what causes this type of white screen demise? Any reassurance would be helpful.

Toshiba White Screen Display on Boot Up

Hi, I own a Toshiba laptop Model P55-A5200. About 3 or 4 months ago, I started getting white screen when I turn on the computer instead of being greeted with the Toshiba logo during the turn on process. I would have to turn off the computer by pressing on the ON/ OFF button several times before the Toshiba logo will appear and the computer will boot up. I recently updated to Windows 8.1 and also install the latest display driver and still getting the white screens during boot up. Any help from anyone? Or, do I just need to get a new computer?

It sounds like it's likely the hardware failing unfortunately.

Satellite A60 - White Screen Freeze on Boot up

Hi
My laptop Satellite A60-106 has developed some problem on boot up. It just freezes onto a white screen on boot up before I see any graphics. It looks as though it can access the DVD/CD drive but any attempt to boot up with a recovery disc fails in the same white screen and it freezes. I have tried the manufacturers advice as powering up with the F12 key pressed and another suggestion on the
CD to hold the C key down whilst turning on the power brings the same result.
Nothing but the white screen. I have tried F8 to see if I can get into safe mode but it won't move on past the initial clunking of the drives and then silence. I can't think of any way to get this to allow me to move on. I am sure you can though? I would be happy to format and reload but if I can't access the drive then how can I do that?
I wanted to increase the RAM but all of the suggestions in the hand book do not relate to the layout of my laptop. The small access window on the bottom of the laptop will not allow enough access to the RAM? Poking about around the RAM might have induced this white screen lock out?
Thanks
Charlie

Hello Charlie
To be honest you have serious problem and I really do not believe you can solve it alone. It is not easy to say for sure why white display occurs at the boot up. In my opinion there can be several reasons responsible for this.
- Display (display cable, LCD electronic)
- as far as I know white screen occurs if FL inverter makes background light but there is no display signal it can be some defect on mainboard and there is no video signal
The best thing you can do is to contact authorized service provider. Let them check your notebook. They have special tools and there is no problem to find out why this happen.
Bye

White screen after system update

imac white cover, purchased 2005, Snow Lepoard oprating Sysytem
imac System was operating with out any problems
It had been a while since I had updated the imac. I updated system with system update and resatrted as instructed. The script to finish installing the updates stopped and stalled out for over an hour.
Turned off the system and I got a white screen. I have tried several restarts and it still gives me white screen
If you have a solution to try or do I need to bring computer in the Genius bar
Thank you

Try a 'Safe Boot': restart holding down the Shift key until you see a grey progress bar. Once booted restart as normal from the Apple menu.
If that doesn't help try booting using the grey restore disk that came with the Mac and running Disk Utility to verify/repair the hard disk.
A few other suggestions here if you still have problems: http://support.apple.com/kb/TS2570

White screen & won't boot after Time Machine restore 10.8.2

Hello,
I know someone posted a similar issue but that it was related to a hardware failure. Mine was not a hardware failure.
Just wanted to give an FYI to anyone who may run into this issue. I recently restored my Macbook Pro from a Time Machine backup (10.8.2)
and I was getting a blank white screen at startup where the spinning line "|" would appear and then go away, and then come back, and then disappear... Over and over. Booting into single user mode resulted in the same issue.
I ended up re-installing Mountain Lion over itself and my machine booted sucessfully. Did all the software updates and I'm back at 10.8.2 again.
This is just an FYI, something for you to try if you get the same error, hope this helps someone.

Startup command-s and at the prompt type reboot
Then press return.

White screen no matter boot mode (Safe, Recovery HD, Internet Recovery)

Ever since yesterday I've gotten the white screen of death. That means the only mode I was able to boot into was the single user mode, nothing else.
I was able to bring up the partition and was able to select the recovery HD but after the spinning gear disappeared I was left with a white screen, nothing responded, not even the caps lock. All I could do was turn it off and try something else.
I have reset the NVRAM.
I have no clue what's going on and I don't have access to my Mac's install CD as I lost it when I moved.
It's a late 2011 15 inch MacBook Pro with 10.7.5, if I remember correctly.

Hi ahriman222, have you found out what was causing the problem?
I've been having the same problem the whole morning although I just did Internet Recovery and just got a white screen but then I rebooted and suddenly my machine booted normally! I ran some disk utility tests and they all checked out fine.
Just to be more specific, I couldn't boot into any other mode earlier today other than single user and AHT (apple hardware test) mode. fsck reported no problem with the HDD and AHT both passed standard and extended tests.. so hopefully, it's a good indication that this isn't a hardware issue.
my problem is a bit more strange though because I was also getting these strange vertical pink stripes.. it's also odd that considering those stripes were present in AHT mode and yet AHT was not reporting any hardware problem.

White screen, does not boot

I have a 27" 2009 Imac that has been freezing up lately. Now I power up and I get a white screen with the apple logo and a progress bar. After about 1/3 of the progress bar is complete and maybe a minute or two, it powers off. I have unplugged everything and plugged the computer in again.
Any ideas?

Please carefuly read and then methodically follow the steps in Apples Mac OS X: Gray screen appears during startup located at http://support.apple.com/kb/ts2570

Long hang on gray screen before successful boot

Hi,
I have a 2 x 2.8GHz Quad-Core Intel Xeon Mac Pro (2008) running OS X 10.5.8, and suddenly the following problem has arisen: Every time I reboot, the system hangs on the gray startup screen for several minutes (initially I was convinced that it wasn't going to boot, only to be pleasantly surprised when it finally did). This has happened several times, with and without media in the optical drive, and with the Leopard DVD selected as the startup disk as well. I always boot in verbose mode anyway, but this all seems to happen before any of those log messages start. Can anyone offer any debugging assistance, log files I could check, etc.? Thanks!
-JNS.

I have 2 ideas.
a) The boot code is doing a memory test. I'm guessing that with an 8 core system, you also sprung for lots of memory. How much memory do you have in this system?
Now why it would do a full memory check, I don't know unless it is getting some ECC corrections during boot (wild guess).
b) The boot code thinks it needs to fsck the boot disk. Typically if the system shutdown normally, the boot disk should be marked as properly unmounted, so no fsck would be needed. And even if it was not unmounted properly, a Journaled HFS+ file system should only need to replay the journal (that is why there is a journal). You do have the file system formatted as HFS+ Journaled, Right?
Both of these are wild guesses, so I could be totally off the mark, and it could be something totally different

Mac OS X Lion displays grey (No background) login screen before Apple boot screen

Macbook Pro 13" (2011) Upon startup, displays a grey screen, then after a few seconds, the logon screen, I would logon, then it would show the Apple White boot screen, then it would ask me to log on again (sometimes)
Anyone else have this problem? any solotion would be greatly appreciated...

Try reinstalling Lion:
Reinstalling Lion Without the Installer
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. Alterhatively, 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 the Hard Drive and Permissions: Upon startup select Disk Utility from the main menu. Repair the Hard Drive and Permissions as follows.
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 click on the Repair Permissions button. Wait until the operation completes, then quit DU and return to the main menu.
Reinstall Lion: Select Reinstall Lion and click on the Continue button.
Note: You can also re-download the Lion installer by opening the App Store application. Hold down the OPTION key and click on the Purchases icon in the toolbar. You should now see an active Install button to the right of your Lion purchase entry. There are situations in which this will not work. For example, if you are already booted into the Lion you originally purchased with your Apple ID or if an instance of the Lion installer is located anywhere on your computer.

Mac Mini Server Boot Camp Windows 8.1 White Screen Issue

Hello Apple Peeps!
I have a Mac Mini Server 2012 which I have had for around 6 months. I use it quite a lot mainly for Music Production on the OS X side and Graphic Design on the Windows side.
I recently decided to factory restore it as I wanted to spring clean it and reorganise the way some of my apps were installed. The way I had it set up was it was running OS X on one SSD and Windows 8.1 (installed using Boot Camp) on the other SSD. The way I went about the factory restore was I first used disk utility to erase/format the Windows SSD to Mac OS Extended (Journaled) and then went about the factory restore of OS X onto the other SSD as normal (following instructions from the Apple website).
The issue I am having now is that my newly installed Windows 8.1 (used solely on a single SSD) is hanging on a white screen for quite a long time before the Windows splash screen shows up, where before when I would boot or restart into Windows there was no white screen and it would go straight into the Windows splash screen and load to the desktop very quickly.
So my question is...
Why do I get this prolonged white screen before the Windows 8.1 splash screen appears? How can I get rid of it? It was certainly not present on my previous installation. Can anyone advise me what the computer is doing during this time so that I can do some further research into a solution.
What I have tried already....
1) PRAM & SMC reset.
2) Setting the startup disk to Boot Camp in both OS X and Windows 8.1.
3) Reinstalling Windows 8.1 through Boot Camp.
MAC MINI SERVER (LATE 2012), 2.6GHZ QUAD CORE I7, 16GB RAM, 2 x 256GB SSD, OS X 10.10.2, Windows 8.1 (Retail), Boot Camp Assistant (5.1.3), Covered By AppleCare.
I would really appreciate some help with this ;-)

I have right clicked on each SSD in Device Manager and selected the option 'Properties' from the drop down menu, which brings me to this window...
I'm not sure where I can find Device Attributes, I have clicked on each of the tabs in the window above, as far as I can see none of them mention AHCI enabled or anything similar. Thanks for all of your responses by the way...much appreciated!

White screen, boots only in safe boot

Was watching a video, switched to full screen then computer froze during the transition. Had to force shutdown by holding to power button. Now on startup the apple logo displays, spinner, appears like it will boot, screen flashes dark then displays only white screen. It will boot with Safe Boot (holding Shift while powering on), tried repair disk utilities, no luck. Did the other boot attempt by powering on holding Atl/Option + Command + R + P, it makes the computer chime go off and on again but still goes to white screen.

Additionally, when booting in verbose mode I see a lot or errors for smcReadKeyAction and smcReadData before it goes to the white screen.

White screen before system boot

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