IMac goes to black screen only cursor visable

On start up, my iMac shows the first screen (apple logo), then spinning "wheel", then goes to a black screen. Can only see the cursor. Any suggestions?

Hi cojoe,
If you are having issues with starting up your iMac, I would recommend first trying to start in Safe Mode as described in this article -
OS X Mavericks: Start up in safe mode
http://support.apple.com/kb/PH14204
Note that the article applies to the Snow Leopard operating system (Mac OS X 10.6) as well as to Mavericks, the process is the same.
You may also want to refer to this article for further steps -
Mac OS X: Gray screen appears during startup
http://support.apple.com/kb/TS2570
Again, while some of the symptoms differ from yours, the steps are still useful.
Thanks for using Apple Support Communities.
Best,
Brett L

Similar Messages

Installing Win 7 via Bootcamp on 27' iMac 2010 gives BLACK screen, BLINKING cursor error (BSBCE)?

Hi All,
All coments appreciated regarding thiis issue.
I have a 2010 27' i7 2.93Ghz iMac with 8Gb ram, 2Tb Seagate, and 256 Samsung SSD.
I am running 10.6.8 with all updates on the 2Tb Seagate (has BC 3.04), and 10.7.1 on the Samsung (has BC 4.0).
I have tried over a dozen times to install Win 7 (both a 32 bit Professional edition and a 64 bit Ultimate edition) on BC partitions on both drives. These have been all on separate occasions of course.
All installs result in what appears to be a successful install, but when the machine reboots to launch Win 7 for the first time, I ALWAYS get a black screen with a blinking cursor error (BSBCE).
This is not the 2009 video card driver issue problem reported so widely and referred to in the Apple article TS3173. I had that model previously and the way around that was to connect a second monitor/LCD for the installation.
No this is a new and separate issue.
And I am no nubie. I have used IT for over 25 years and teach networking courses in the Win and Mac environments.
The problem appears to be in a corrupt boot loader install.
I have used both WIn 7 install disks to do a repair each time. The repair says it is successful but after rebooting all I get is the black screen and flashing cursor, with no keyboard response. I have used both Bluetooth keyboards and USB keyboards. Nothing seems to make a difference re getting WIn 7 to boot after the install on either drive.
I have also used the Bootrec commands in the command window. They all return a successful outcome but when rebooting I see the ever familar BSBCE.
Now,,,,,here is the real puzzle. I copied my previous Win 7 Ultimate install using Winclone before I sold my older 27' iMac.
If I restore that install to the 2010 iMac Win 7 boots fine!
So some error is happening on my current machine when the bootloader/bootmanager is being written to the BC partition.
The problem is there with the BC on both 10.6 and 10.7, and these are different versions of BC!
Now to further complicate the problem, I manage 12X 2011 21.5' iMacs in a lab at work. Win 7 Professional 32bit installed on these machines just as it should (same disks that produces the black screen flashing cursor).
I have read that some people thing it is a Boot Rom version issue, and there may be some substance to this as WIN 7 installs so easily on the 2011 iMacs in my lab.
I called Applecare about this and went through the procedures outlined above. The guy was very helpful and sympathetic but he had no answer to the problem. His suggestion was to pull the SSD out and do it again with only one drive. As the machine can ship from Apple with both of these drives I really do doubt that pulling the SSD would make a difference.
Mac OS 10.6 and 10.7 work fine, no problems on both drives, so I don't think it is a drive issue.
OK Mac gurus...over to you.

I have a bookmark for iMac w/ SSD and hard drive.
There is also the 'req'd reading' in http://www.apple.com/support/bootcamp
with one article on Black screen w/ iMac 2010.

Pavillion dv7 new hard drive goes to black screen with cursor

A couple weeks ago my computer suddenly started going realy slow so I rebooted, and it wouldnt boot. Just gave me an error in the upper left corner (I dont remember the exact message). Anyway I took it to a family fried who fixes computers he said the hard drive probably had a bad boot sector. We couldnt boot to it, but he could read from it by plugging it into his own computer like an external.
Anyway we got the new hard drive in (upgraded from 320g to 500g) as well as the old one with the intention of making it a slave drive. I tried putting in a windows 7 install disk (originally had vista), when I turn it on first I see the hp splash screen, then it says "windows is loading files" and goes to a "windows is starting" splash screen. After that its just a black screen with an arrow cursor and doesnt appear to be doing anything else.
Any idea what the problem might be? Is it just trying to install to the wrong drive? Or could something more serious be wrong like the processor or motherboard that would mean the whole thing is trash now?

Test your memory
http://h30434.www3.hp.com/t5/Lockups-Freezes-Hangs/How-to-test-RAM-and-HDD-Hard-Drive/td-p/301638

Bootcamp failure, iMac stuck in black screen with cursor line.

I was in the midst of insalling windows when I ran into a speed bump with my windows install disk and i wanted to start over. So i turned of the iMac from the back power button after stoping the install and wanted to start over again from the os X bootcamp assistant. However when i tured the iMac back on it showed the startup logo, the disk spun up and the screen turned black with a flshing curor line at the top left. I cannot boot from any other disk or into any other mode or even eject the windows install disk as i have not connection via keyboard or mouse with my standard set that came with the iMac. I have no idea what to do and i am honestly freaking out a lot!!!! I have a very expensive lump of aluminum on my desk right now that does not work, PLEASE HELP!!!!!

I had to remove one of my memory modules (I have an iMac with two 2 gig memory sticks) to get windows to install. Stupid, but true.

Black Screen with Cursor (Tried most solutions)

To save your time and mine, I’ve tried all options in “press f8” and “recovery disk”. Over the past 3 days, I read almost all threads, videos, articles, and official MS help containing any mention of this problem. I also applied many commands, created few
“SystemRescue CDs” and “Kaspersky Rescue 10” on a usb drive. I follow instructions very well, and have never been stumped by a windows problem like this before. If someone solves this, you are a wizard!
Nothing has worked so far, but I really want to figure this out and not ‘reinstall’. It appears to be a simple and popular problem: “Right after Win 7 boot Logo, I get black screen with white mouse cursor,
no matter if I boot in safe mode, last good configuration, or normal startup”, but all the solutions that worked for most people are not working for me.
TL;DR: (answers to any of the 7 questions in the end will help me out)
Custom System: Win 7 64 bit (updated consistently), 4gb ram, Quad Core 2.66, 64GB SSD (Crucial M4) and 4 hard other drives. Only windows installations/updates have been installed onto the SSD, no other programs. Only 1 OS has ever been installed
on this computer. Never dual booted.
Mobo: Asus Maximus Formula. GPU: AMD HD7870LE
2014-04-19
I haven’t installed or downloaded any programs in the past 3 weeks, and did not notice anything unusual up until this incident.
In the morning the computer went into hibernation because I was away, it couldn’t wake up (usually happens), so I turned off the power supply. Turned it back on, and computer resumed, I was concerned as it may have run out of hard drive space on my 64GB
SSD (4GB free), but it booted fine.
Later during the day, I decided to restart the computer, and as it booted up again, it went into “start up repair”. I let it run and restart, and it arrived at the dreaded Black screen with mouse cursor, of death, right before logon screen.
Symptoms while on this black screen.
Ctrl alt del doesn’t work, power off doesn’t work, cursor can move, pressing ‘shift’ many times doesn’t bring up the ‘sticky key’. No task manager.
Hard drive is not loading anything, just idle.
Computer falls asleep after 15 minutes or so, and can wake up back to this black screen, so it remembers my power settings
Safe mode loads the drivers fine, but also gets stuck on the same ‘black screen with cursor’ forever
I tried every option in the ‘advanced boot’, including ‘safe with command prompt, safe with networking, last known configuration, etc’
Last known configuration, and all of the above, all boots to ‘black screen with cursor’, this means windows believed it booted fine the last time, so it remembered this configuration. That’s because all the drivers loaded without issue. While loading
Safe Mode, I can see windows loading all the drivers ok.
No restore or backups (I know, I do not deserve to live, lesson learned)
I tried all applicable functions from the ‘recovery cd command prompt’, bcdedit, bootrec, diskpart, and still couldn’t get it to boot.
Commands applied in Elevated Command Prompt from Installation DVD: (very careful with backups and overwriting)
Diskpart -> list volume, tells me that 100mb is system reserved, the other 59GB has no label, and is a different partition
Bootrec -> scanos, tells me that I have 0 windows installations, used fixboot, /fixmbr, /rebuildmbr, all successful. Mounting the drive later on RescueDisk’s TestDisk shows no problems with either partition.
BCDedit: shows both boot manager and winloader to be on the same drive, and I referenced it with a typical BCDedit enum output, and nothing is out of place.
I went into Regedit by typing “regedit” in command prompt in Win7 recovery cd, and confimed that ‘Shell=explorer.exe’ under:
HKEY_local machine/software/microsoft/WindowsNT/Currentversion/winlogon.
Sfc /scannow couldn’t run due to “Pending repairs/restart”
So I used: SFC.EXE /scannow /offbootdir=c:\ /offwindir=c:\windows
Which ran and repaired some errors the first time. I ran it more just to make sure, with restarts in between, it gave me
Win resource protection did not find any integrity violations.
So the system files appears to be fine and not corrupted.
Bootrec /scanos does not detect any windows installations. “0 Windows installations identified”, yet “Diskpart -> Detail Disk” and bcdedit both detects the windows directory.
From windows recovery disk:
Startup Repair diagnosis: (Show Details)
All tests completed successfully
Boot status indicates that the OS booted successfully
It seems that the system and the OS boots successfully, and windows believes it boots successfully (that’s why last know good configuration gives me the black screen also, and Win Startup Diagnosis all says it booted successfully”
It’s the second before it enters into the logon screen, the black screen and movable cursor appears, and hangs here forever. What programs load during this step, and how can I find out this info? Is there a diagnosis tool that allows me to see the programs
as they load during windows start up?
Other attempts:
Then I read it could be windows using “winresume.exe” instead of winloader.exe, since I have “hiberfil.sys” in C:\windows, so I backed it up and deleted it using SystemRescue.
Another thread said “winevt” bad logs, in C:\windows\system32\winevt were causing this black screen, so I backed it up and deleted that also, and it still won’t boot.
I plugged in the devices that were attached (just 1 ext hard drive, through a 10 port usb hub) that was connected while it went into hibernation on April 19th, and it didn’t help.
The files on that disk and the file system is not corrupt; I tested it by taking it out and docking it on a usb Blax Duet, and my laptop did a scan disc, and it’s fine. The Sfc Scan also shows that it is ok.
I also unplugged all the other sata drives, switched the SSD sata cable around to other sata ports to no prevail.
So far I know:
Very unlikely that it’s a virus problem, I haven’t installed or downloaded anything this month, scans from Kaspersky 10 rescue disk shows nothing, Farbar scan shows nothing. I also never install anything suspicious, like toolbars or junk. I scan regularily.
Not a driver problem, since I haven’t changed or updated anything. I unplugged all devices, and starting in 640x480 mode also gives the black screen with cursor. Drivers all loaded fine while starting windows and safe mode
Boot files are intact, windows system files are in the right place since windows actually boots into a shell? Both bootloader and boot manager show up in bcdedit enum scans
Not due to system file corruption, since file integrity are confirmed ok by above CMD commands, and windows diagnostic tool, and testdisk.
My questions:
What could be the cause of this? I didn’t make any changes to BIOS, windows settings, perform any updates, suspicious activities, installations, or crashes, before this. The files on that disk and the file system are not corrupt either, I tested it by
taking it out and docking it on a usb Blax Duet, and my laptop did a scan disc, and it’s fine.
Which program (classpnp.sys? explorer.exe? winlogon.exe?) is being loaded right before “windows logon screen” that would cause it to hang with a black background and cursor?
How can I find out this information? Is there a tool that can record all programs that are being loaded by windows at boot?
I only have access to regedit, elevated command prompt, and I can change files through SystemRescue or Kaspersky recue, how can I get the computer to boot past that black screen with a mouse cursor? The answer seems so close.
From the Rescue Disks, what could I really do to get past the black screen?
Those who are computer technicians could tell me: If I take it to a computer shop or technician, what could they do in a situation like this aside from all of the above? Do they have some ‘next level’ access tools or are they just going to waste my time
and tell me I have to reinstall?
At the very worst, I will obviously reintall. On my 64gb SSD, I didn’t install any important softwares. All my important software installations are on a separate drive. However, will they still work if I did a ‘Inplace Upgrade’ install of windows? Does
registry get wiped?

Hi,
Have you tried to take startup repair when booting with the rescue disk?
Startup Repair
And we'd better bring the PC to the vendors, then take an examination of the hardware health.
How does the Bootrec /scanos show 0 installation identified? We may take a try with chkdsk from command line to check if there are any disk errors:
Run Check Disk from a Command Line to Check for and fix Disk Errors
Please also take a check if the system reserved partition is stay in health:
Understand (and Get Rid of) the Mysterious Small Partition
Another shoot, please try to rebuild BCD:
Use Bootrec.exe in the Windows RE to troubleshoot startup issues
Regarding the repair install, detailed information please take a check with the article below:
How to do a repair install to fix Windows 7
Hope this may help
Best regards
Michael Shao
TechNet Community Support
Did you read his post at all as it does not look like it.
As to take it to a vendor "Custom System:"" Win 7 64 bit (updated consistently), 4gb ram, Quad Core 2.66, 64GB SSD (Crucial M4) and 4 hard other drives. Only windows installations/updates have been installed onto the SSD,
no other programs. Only 1 OS has ever been installed on this computer. Never dual booted."
As to your other suggestions he has tried them all as have thousands of us out here , all you have to do is search the internet and you see millions of hits about this.
And glad to see a moderator can mark a non answer as an answer.

Black Screen with cursor. Java Desktop System.

Hello everyone.
I've installed Solaris 10 05/08 x86 32bit in VMWare Workstation 6.5.
After I logged in in the system (Java Desktop System, Release 3), I've got only a black screen with cursor, nothing more.
X server: Xsun server configuration:
Video Device: VMWare Inc vmware0405
Video Driver: XF86 VMWARE
Resolution/Colors: 800x600 65536 colors @75Hz
Screen size: 17 inch
Monitor type: MultiFrequency 56Hz (up to 1280x1024 interlaced)
But the CDE starts normally.
What's the problem?
Help, please.
P.S. Computer with VMWARE Workstation: Asus P4P800SE, P4HT 3.0Gz, 2.0Gb Ram, Ati AIW X800 AGP 256Mb..
Edited by: xaxaTyH on Oct 9, 2008 7:26 AM
Edited by: xaxaTyH on Oct 9, 2008 7:45 AM

Hi
Have you installed all the Recommended Patchset . If not try to install the patches .
Regards

Win7 black-screen-hanging-cursor problem on brand new rMBP

I am sorry but a face a problem similar to (surprisingly) many in this thread.
I have a brand new rMBP 15'' with bootcamp Win7 installed (90GB partition). Installation went painless ONLY with a fresh Yosemite 10.10.3 installation, otherwise I fell into said black screen-hanging cursor trap already during installation. After installation I could enter Windows and install some software there. Upon re-boot, black-screen-hanging cursor in top left problem.
Here is what sudo gpt -vv -r show /dev/disk0 says:
gpt show: /dev/disk0: mediasize=1000555581440; sectorsize=512; blocks=1954210120
gpt show: /dev/disk0: Suspicious MBR at sector 0
gpt show: /dev/disk0: Pri GPT at sector 1
gpt show: /dev/disk0: Sec GPT at sector 1954210119
       start        size index contents
           0           1         MBR
           1           1         Pri GPT header
           2          32         Pri GPT table
          34           6
          40      409600      1 GPT part - C12A7328-F81F-11D2-BA4B-00A0C93EC93B
      409640 1772843400      2 GPT part - 53746F72-6167-11AA-AA11-00306543ECAC
1773253040     1269536      3 GPT part - 426F6F74-0000-11AA-AA11-00306543ECAC
1774522576        1840
1774524416   179685376      4 GPT part - EBD0A0A2-B9E5-4433-87C0-68B6B72699C7
1954209792         295
1954210087          32         Sec GPT table
1954210119           1         Sec GPT header
And here for sudo fdisk /dev/disk0:
Disk: /dev/disk0    geometry: 121643/255/63 [1954210120 sectors]
Signature: 0xAA55
         Starting       Ending
#: id cyl hd sec - cyl hd sec [     start -       size]
1: EE 1023 254 63 - 1023 254 63 [         1 -     409639] <Unknown ID>
2: AC 1023 254 63 - 1023 254 63 [    409640 - 1772843400] <Unknown ID>
3: AB 1023 254 63 - 1023 254 63 [1773253040 -    1269536] Darwin Boot
*4: 07 1023 254 63 - 1023 254 63 [1774524416 - 179685376] HPFS/QNX/AUX
Any help greatly appreciated

If you built a USB using BCA and Windows ISO/DVD, it will show Windows and EFI boot both as options, when Alt Key is held.
W7 USB has the following structure .
W8+ USB has the following structure.
Does the behavior change if you
a. Resetting the System Management Controller (SMC) on your Mac - Apple Support
b. How to Reset NVRAM on your Mac - Apple Support

Apples update didn't work for me: Boot Camp: iMac displays a black screen during installation of Windows 7

Boot Camp: iMac displays a black screen during installation of Windows 7 - Apple Support
I have followed each of the steps listed in the link above with no success.
Prior to adding the extra drivers I was able to start the Windows install process up to reformatting the "Windows" Bootcamp drive. After that the computer would go through some instal processes and eventually restart. After the restart the screen would go black. The black screen lead me to the Apple Support link above dated March 5 2015. After going through steps listed in the link above, I get an error message stating that the D:\Sources\instal.win. file cannot be located. I am forced to restart the computer at that point and theWindows install process attempts to start again but always ends up at the same point.
Note: I am installing windows 7 Pro from a DVD. I scanned the AutoUnattend.xml file and noticed that it refers to "Windows 7 ULTIMATE" but not "Pro" or any others that I could see. (see below). Could that be part of the issue?
Any feedback would be greatly appreciated.
<cpi:offlineImage cpi:source="wim:d:/sources/install.wim#Windows 7 ULTIMATE" xmlns:cpi="urn:schemas-microsoft-com:cpi" />
</unattend>
iMac (27-inch, Late 2009)
2.66 GHz Intel Core i5
16 GB 1067 MHz DDR3
ATI Radeon HD 4850 512 MB

Here is an over-simplified explanation of WIM and CLG files. Assume your DVD Media contains
W7- Ultimate
W7- Professional
W7- Home Premium
W7- Home Basic
WIM Files
File1
y
y
y
y
File2
y
y
y
y
File3
y
File4
y
y
File4
y
y
y
The File .wim will contains a compressed image which contains File [1...5].
The W7-Ultimate .clg will have 5 entries, with all set to 'Y'.
The W7-Professional .clg will have 5 entries, with 'Y','Y','N','Y','Y'.
The W7-Home Premium .clg will have 5 entries, with 'Y','Y','N','N','Y'.
The W7-Home Basic .clg file will have 5 entries, with 'Y','Y','N','N','N'.
This allows a single .wim Image file on the DVD media to be used to install any of the 5 flavors of Windows. When you enter your product key, the Installer knows what specific W7 variant you have the key for and will tell the WIM to extract the specific files the installer needs to be extracted.
The following line
<cpi:offlineImage cpi:source="wim:d:/sources/install.wim#Windows 7 ULTIMATE" xmlns:cpi="urn:schemas-microsoft-com:cpi" />
is telling that a retail product key will be entered, which should go look for this specific .clg file (from the five you already have on disk). You can test if it will work for you by changing this line to the following
<cpi:offlineImage cpi:source="wim:d:/sources/install.wim#Windows 7 PROFESSIONAL" xmlns:cpi="urn:schemas-microsoft-com:cpi" />
If it does not work, the other issue can be related to device discovery. Typically A: and B: device names are reserved for Floppy Drives. C: is your internal HDD.
D: can either point to the Optical drive, or the USB. The normal convention is that the removable media is named from Z: backwards. Y: and Z: are usually used for Network drives, so X: should be your USB. First try with the change to "Professional". If it does not work,

Satellite Pro L300 - Black screen flashing cursor

Hi all,
I have a Toshiba Satellite Pro L300 laptop running Vista.
The client brought it in because when it boots it goes to Toshiba splash screen then goes to black screen with flashing cursor in left top corner. I have connected external monitor with same result. Swapped out RAM as well.
Have run Memtest (passed), Seagate HDD long test (passed), Ultimate boot CD, and Winternals with no success.
*F8 does not work* and nor does Factory recovery.
Can get into BIOS F2 and F12 no problem and the HDD is listed there.
I reinstalled Vista from CD and when rebooted it goes back to flashing cursor. I have attempted Startup repair from Vista CD and System restore. FixBoot from Command Prompt and FixMbr as well with the same result.
I have a feeling it may be a corrupted CMOS? It is like the OS installs properly, but the computer loses it's memory on reboot of where the OS is located?
Is the CMOS battery easily accessible and removable on this model?
Has anyone encountered these symptoms? Is it fixable cheaply?

Hello
If you have clients I presume you are some technician and hope you have some hardware parts in your store.
Have you tried to set BIOS to default settings and check it again?
If possible try to exchange HDD and test the functionality again.
Can you use notebook with Linux live CD (HDD not needed)?
To be honest I dont think problem is BIOS and, in my opinion, CMOS battery exchange is not necessary.
Test it please with new HDD and post some feedback.

CC causes black screen with cursor

Quite a number of people, including me, are noting that when the Creative Cloud app is active and showing in the menu bar, when my rMBP goes to sleep, and I try to resume immediately, for 5-8 seconds I get a black screen with cursor. If I close down CC, there aren't any issues.
Something more for Adobe to fix.
Info: Late 2013 15" rMBP w/ 2.3 i7, 16gb RAM, 512 SSD, OS X Mavericks 10.9.5

https://www.adobe.com/cfusion/mmform/index.cfm?name=wishform for bugs or feature requests

Trying to reformat and reinstall windows but get black screen with cursor

Im trying to reformat my computer after a blue screen error and when i pop in my disk to reformat and install it goes through the first stuff...opening files then it says starting windows and then black screen with cursor..nothing else..i can move the
cursor but i cant click anything..nothing happens.

Hi Marrik,
Is there any error code or error message displayed in the installation process ? because just based on your description in the post, it is difficult to find the root cause for a black screen even after a clean install, this might be caused by a corrupt installation
media or a hardware issue, so, I give two potential suggestion:
1.Try another Windows installation media and perform a clean install again to see the result.
2.Go to the computer vendor for hardware support, this also can be caused by a memory or hard disk issue.
Regards
Wade Liu
TechNet Community Support

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.

MSI GT683R Black screen, blinking cursor

Hello, I was poking around for a similar topic but couldn't find one, so here I am.
Mine is an MSI GT683 laptop; it’s about four months old and second hand. When I boot it up, I see the MSI screen, and then I see a black screen with a blinking underscore cursor.
I’m pretty sure this is my fault, because when it arrived I decided I wasn’t satisfied with how it was setup (plus it had lots of stuff left over from the previous owner) and I reformatted and reinstalled Windows 7 on it. It booted up great the last time I used it; I installed all the updates, installed all the drivers, restarted it a couple times, and it was working like a charm. I even put a couple games on it. Then I put it into hibernation and left it alone for a day, and now I have the blinking black screen cursor of evil.
This is what I’ve tried so far:
1) I can’t get into the BIOS. When I restart, it doesn’t say “Press such and such to get into the BIOS!”, and nothing I press works (I thought MSI used Del, but in a fit of maadfobdogbd I also tried lots of other keys.) For that matter, I also can’t get into safe mode.
2) As far as I know there’s nothing wrong with the keyboard. I can actually adjust screen brightness with it. There’s nothing connected to the computer.
3) The Windows OS CD doesn’t work. It seems to think about using it, and whirrs around with it for a bit, but I never get anywhere other than black screen, blinking cursor. I’ve tried both Windows 7 and Windows XP, but nope.
4) I think my Windows 7 version may be x86. However, since it was running smoothly enough, I don't really think it was an issue.
Sorry for the trouble; hope you can help!

Boot disks don't work, either. Actually, this thread here shows my exact problem, and the answer sounds pretty plausible, given how I put the laptop into hibernation. Unfortunately, that guy never got it fixed. :<
https://forum-en.msi.com/index.php?topic=149961.0
I haven't gone so far as to take it apart yet. (I'm kinda leery of taking laptops apart. The last time I did it, I had to get stuff into this really awkward little space where I had no finger strength, and in the end I had to call a boy to snap the thing in for me. It was embarrassing.) I'm going to try swapping in another hard drive with Windows on it. I'll let you know how it goes.
EDIT: Alright! So it worked! Well, kinda. I got into the BIOS but it looks like my installation might be dead. I don't care a lot about the installation anyway, so while I'm going to try to fix it I may just reinstall everything... again.
I couldn’t get into the BIOS because it was apparently switched off for hibernation. What I did was that I dug up my giant box of computer parts and found an old hard drive that had Windows installed on it. I'm told that I should have swapped hard drives out (and I probably would have eventually), but just using a USB port worked for me. My laptop wouldn’t boot from a USB boot disk or from a CD, but it did find and boot from another hard drive, so I finally managed to shut it down properly.
I’m still getting black screen of blinking cursor evil, but this is progress. Still looking out for help.
EDIT EDIT: Useful links:
http://forums.lenovo.com/t5/Lenovo-3000-and-Essential/can-t-access-Bios-on-G560-anymore/td-p/445721
http://tips4pc.com/computer-problems/my-computer-boots-up-to-a-black-screen-with-a-flashing-cursor.htm

Black screen with cursor blinking for a long time before loading windows 7

Hey guys, i'm having an annoying problem with my macbook pro... i installed windows 7 using bootcamp and now i get a black screen with cursor blinking for a long time before loading windows... it *****, it takes about 3 minutes to get my notebook running
The first time i installed windows seven i did not have this problem... i already deleted the partition several times and installed windows again, but the black screen problem is still happening. i don't know what do
You guys have any tips? anyone with the same problem?? this ***** a lot. thanks

Hey Theoos..
Yeah, my version is not.. the first time i installed it was ok, but after 30 days it was asking for a key... then i installed a cracked version, and the cursor started blinking on start up, and took like 2 minutes...
I tested several cracks but with all of them happened the same.
Thanks

HT201177 cant turn on my imac just a black screen which i never shut down to begin with

help i walked in to find my imac with a black screen and i cant turn it back on has this happened to anyone else? how do i get it back on

You're sure the electrical socket it's attached to has power? That socket isn't controlled by a wall switch, which is off? If the socket is good, see this Apple note for systems that won't turn on.

IMac goes to black screen only cursor visable

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