Black Screen With White Unblinking Underscore?
Aug 4, 2011
A few days ago I made a clean wipe on my Toshiba laptop, and installed Windows 7 Home Premium x86 as my OS. After installing the OS on my laptop, I proceeded to let windows update check for automatic updates and install them. After installing some updates, I clicked to have my computer reboot. After rebooting it showed the Toshiba screen with the F2, F12 options but after that it goes straight to a black screen with a white underscore. I pressed the power button to turn off then back on my computer and proceeded to press first F2 but it went back to the black screen with a white underscore, then restarted again pressing F12 went to the black screen again, restarted one more time pressing F8 for safe mode but nothing works.
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Oct 21, 2012
Today I started up my pc and after the BIOS screen (the place where you can press f8-f11 for various options) it went to a black screen with a blinking underscore in the upper left corner and stayed there indefinitely. It did this even after reboot.
I tried using the diagnostic tool and everything it tested passed (including HDD). I did this test twice and the same results were produced.
I also googled for similar problems (one topic mentioned that the op disassembling his computer and physically tapping a chip on the motherboard caused it to work) but I have no experience with taking apart my computer and i do not want to break it accidentally. I did however chance upon a topic advising him to do a CMOS reset which apparently helped that op, so i looked through the various options on the BIOS page. There was one option (f10 I think) mentioning CMOS on its fourth sub-window, so i pressed the reset option but I'm mot entirely sure if I used the right function.
I uninstalled kaspersky pure and replaced kaspersky pure for kaspersky anti-virus yesterday, dont know if this was the cause. I am using windows 7 64 bit.
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Jul 22, 2012
I encountered this problem two days ago while using my computer (hp pavilion elite) and it sht off on it's own. I tried to restart and it won't boot windows. Just a black screen with a flashing cursor at the top. I searched all over these forums and haven't found a solution that works. So far I have done a restore point, tried to reinstall windows from a recovery disk, I've used command prompt to Fix the boot record. Diagnostics says my hard drive is fine and I can see the newly installed windows 7 on my hard drive via the recovery disk boot. But when I try to boot from hard drive it still goes black.
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Sep 8, 2009
I was installing Windows 7 onto my laptop (previously vista) and install seemed to run smoothly (went past asking about. PC name, network etc) but after it said it was preparing for first startup, nothing boots. After restarting.. besides the startup Acer screen, there is only a black screen with a blinking underscore at the top left. Whats happening :S?
I've tried F2 and running a setup but it just shows me some specs and such
Btw it has 2.0 Ghz + 2GB ram x__x
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Sep 9, 2010
I just upgraded to Windows 7 on my Toshiba Satellite Special Edition laptop that came with Vista 64bit and the other night i downloaded iTunes 10 and told me to restart my machine so I clicked ok and then my laptop shut off and when it came back on the Toshiba screen came up as usual but seemed to stay on longer than normal then it goes to a black screen with a underscore that blinks for a few moments then becomes solid. Ive tried to use the "F" keys to get different boot options because i have the windows 7 ISO disc and a ubuntu disc that I could use but whatever i try my laptop wont process it just does the same thing over and over again and bever proceeds to the actually boot up windows.
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Nov 22, 2011
I tried to shut down my Dell inspiron when it said it needed to update some things and not to turn it off. Without realizing it I pushed the off button and now, everytime I try to turn it on it just shows the Dell logo and then the windows logo and goes to q black screen with a flashing underscore in the top left
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Mar 12, 2012
I am stuck at a black screen with a white arrow you can move with your mouse. right click does nothing. heres what i tried so far just linking to another forum so its easier to see where i am at. really want to avoid having to reinstall windows.
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Feb 4, 2012
My Windows 7 machine is refusing to boot.
If I try to start it normally, it resets after the starting windows screen. If I try to use the other boot options (safe mode, etc), I get 'Windows is loading files' and then a black screen with a movable white cursor. The repair options all end up at the same black screen with cursor.
If I boot from the Windows 7 disc, after the 'press any key to boot from the DVD' screen, I don't get any options to install Windows, or select a language, I just get either the same starting windows > black screen with cursor, or the same list of repair safe mode options, all of which end up at the black screen with cursor.
If I boot from the Windows 7 recovery disc, after 'press any key to boot from the dvd' I get 'Windows is loading files', and then... the black screen with white cursor.
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Jan 28, 2013
I turn on my computer to eventually get a black screen with white cursor that will move around. The Toshiba insignia comes up beforehand as well as the windows four square icon then it is to this black screen and white cursor. I cant seem to get the computer to boot up from Windows 7 installation disc. Sometimes I also get a BOOTMGR image is corrupt. The system cannot boot. message as well. I imagine there is a solution of sorts as it seems many people have had a similar problem. I have a freind who maybe able to fix it seeing he is a computer programmer but that is not until the end of the week.
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Dec 7, 2011
So, Im doing a clean windows 7 install. Here are the facts: [code] After the final stage of the setup where you enter PC name, set the password, enter time settings etc, the setup restarts the computer for the 'final' time, final indeed.What happens is that after the Bios / device scan, Windows won't boot and it won't continue past the black screen with the white blinking _ showing in the top left.Could this be because C: has been 'occupied' (or set as master partition) by the 1480GB partition and won't boot from the 105GB partition where Windows was installed?It's so weird because the first two reboots go without problem, no need to F8 and manually select the disk rather than the USB pen or anything.. But on the final reboot, nothing.
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Nov 11, 2012
first I was facing BSOD. So I tried going in by every type of safe mode, But it doesn't work, I just go to a black screen with moving cursor and I can't Open the Task Manager.So I tried system restore, failed with the CD. Then I tried the Grub4dos thing It failed as well. It just brings me to the black screen with white cursor.Also when I start in safe mode, it stucks at classpnp.sys and after awhile It goes to BSOD and reboots. By the way this all started when I installed a game, Dishonored.
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Jun 14, 2010
I tried Linux yesterday, and wrote over my previous Windows bootloader files with GRUB.
I later that day (as I could not boot into Windows 7), I deleted the Linux partitions with Windows 7 DVD. Now, after BIOS I just get a white blinking border on a black screen.
I tried
bootrec /fixmbr
Success
bootrec /fixboot
Success
bootrec /rebuildbdc
Success
bootrec /scanos (Total identified Windows-installs: 0)
I also tried the "automatic" systemrepair (1st choice in the DVD menu, with no luck)
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Jun 22, 2012
My Compaq laptop no longer has color graphics. When I go to a website it just shows black letters...I just bought a new battery from HP and can't figure out what is wrong..
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Jun 21, 2012
I have a Dell Inspiron, not always but sometimes on start up it restarts to a black screen with a white cursor. Safe mode does work.I don't know why it sometimes does this or what makes it stop. I have tried just letting it try to load up for as long as an hour with no change, sometimes restarting has fixed it but sometimes (like now, it has done nothing no matter how many times I've tried).
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Oct 29, 2012
I was working on an email Saturday when my Sony Vaio stopped working & flipped over to the black & white Vaio screen. Since then, I've been able to reboot it once, but it flips right back over to the Vaio screen. At one point, I was able to get to the Advanced Boot Options menu by hitting F8. I tried to restore to the last known good configuration. It got to the Windows logo screen, then went back to the Vaio screen, then went to the "Operating System could not be found" screen.The computer has a One Touch Web Access Without Booting Up feature.
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Nov 15, 2011
I've had this issue before, but this time i want to know how to fix it... without using Acer eRecovery. Im having these miscoloring, at white spots and black spots on my screen there is cyan and red instead. Ive tryed to scan a couple of times. With my normal AntiVirus = Kaspersky Pure and with Avast Free antivirus. which i unistalled
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Sep 29, 2012
i have a acer aspire 5336-2460 laptop, everytime i try to boot into windows it gets stuck at a black screen with a blinking underscore in the top left. I tried making a bootable Windows 7 dvd and it still doesn't solve the issue. F8 won't work only F2 and F12.
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Aug 10, 2011
I upgraded my pc yesterday and reinstalled Windows 7. Now on the starting Windows screen I have a little underscore blinking in the top left corner of the screen.
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Sep 28, 2010
We are running Windows 7 on a Dell Latitude Notebook. We are trying to set the printer to default to always print in black & white. We have been unsucessful. Even trying to change to black & white within a particular word document still prints in color.
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Mar 27, 2011
I would like to replace my elusive, puny little white mouse pointer with a big, bold black one. Win 7 is an all-singing, all-dancing clever stuff, i'm told so am thinking there must be a way of doing this as opposed to buying third-party software.
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Jan 4, 2011
My disk is only allowing me to reinstall on a bootable drive. Why don't I get the black and white message after restarting the computer that I need to hit any key to open up the disk so that I can install on a data only disk. My computer does not recognize my Windows 7 auto function. My boot sequence(CDROM and HD) has been changed several times without correcting the problem. I had a code 39 problem earlier indicated in contol panel and corrected the problem only part way.In the past I have had two ways to install windows 7 since Oct 08. Something is wrong with my computer. . Nero uninstalled. Belarc information available with different format.Windows 7 Home Premium (build 7600) 32 bit. 2.60 gigahertz AMD Athlon 64 X2 Dual Core 128 kilobyte primary memory cache 512 kilobyte secondary memory cache 64-bit ready Multi-core (2 total) Not hyper-threaded Board: ASUSTeK Computer INC. M2A-VM 1.XX Bus Clock: 200 megahertz BIOS: Phoenix Technologies, LTD ASUS M2A-VM ACPI BIOS Revision 1901 07/21/2008
1920 Megabytes Usable Installed Memory
Slot 'A0' has 1024 MB
Slot 'A1' has 1024 MB
Slot 'A2' is Empty
Slot 'A3' is Empty NEC DVD_RW ND-2510A ATA Device [CD-ROM drive]
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Jul 2, 2011
this is my first post and I hope I am posting in the correct area. I have been looking for an answer to this and am still stuck after a couple of days.
I have pc with windows 7 home premium 64 bit and an LG flatron E1940S monitor, I am just moving on to this pc and intend to use photoshop on it. The problem is that moving my images from my xp system, the colours are not right. Black and white shows as sepia as an example, and there seems to be a brownishness to everything.
I have tried adjusting the monitor.I have looked at the colour management in windows and set to srgb. I have tried windows calibration and there was a slight difference but not a good enough correction to replace the original settings.i have installed the updates for the nvidia.
The monitor did not come as a bundle but was purchased with the pc and I just had to plug it in, I don't know if I need (nor where they are to be found) a driver/colour profile for that.
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Nov 10, 2011
so the printer settings are set to black and white on the server, the PC and on Adobe but when I try to print PDFs they still come off in colour!! What else could be set to do this?
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Jan 15, 2013
1) Say Computer A has a 1GHz processor and 16-but word size. Computer B has a 2GHz processor and 32-bit word size. Compare the processing speeds of these computers quantitatively. Show calculations.2) Conversion from true-color graphic to black and white. Explain what the conversion did in terms of pixel bytes or bits3) If you run the CPU simulator program, you will find that it uses the system bus 12 times. Explain how this number comes about. (You must explain why based on how cpu operates. This will involve a little arithmetic. Show all)
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Dec 6, 2010
My computer was attacked by Antivirus 2010. Thank goodness that my son is an IT guy. He removed the program; however, my desktop is now black with white text. There are no icons. When I hit a folder or document, the background is grey. What can I do to restore my desktop to color?
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Jun 29, 2012
i have a dell inspiron n 4050 laptop..the problem is that the integrated webcam gives black and white images..i am using windows
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Nov 7, 2011
[CODE]I just upgraded to IE 9. It will go to and open Yahoo, Facebook, any site I point it at but, displays nothing but a white screen.
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Jun 3, 2011
Why does my screen keep going white - I am unable to get anything done for the past two hours?
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Sep 16, 2011
I have an Acer computer with Window 7. I frequently get a white screen while using it. This occurs when I surf the net, use Yahoo etc.
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Jan 10, 2013
Basically this white screen (sometimes with blue lines running down sometimes without) has been appearing on startup. At first it just appeared in place of the windows logo before log in, but now it's appearing earlier on and the only way to bypass it is to hit the power button and hope it loads up properly. I've tried disabling/uninstalling the display driver and this has either (a) caused the laptop to crash to the white screen or (b) nothing, just back to white screen appearing at intervals.
Tech Support Guy System Info Utility version 1.0.0.2
OS Version: Microsoft Windows 7 Home Premium, Service Pack 1, 64 bit
Processor: Celeron(R) Dual-Core CPU T3500 @ 2.10GHz, Intel64 Family 6 Model 23 Stepping 10
Processor Count: 2
RAM: 3002 Mb
Graphics Card: Mobile Intel(R) 4 Series Express Chipset Family, 8 Mb
Hard Drives: C: Total - 221472 MB, Free - 86628 MB; D: Total - 16697 MB, Free - 2409 MB;
Motherboard: Hewlett-Packard, 1605
Antivirus: avast! Antivirus, Updated and Enabled
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Apr 12, 2012
I am using a shuttle xpc St20g5 with windows 7 pro,when I'm on either Chrome,IE or Firefox suddenly it crashes with usually a white screen and there's nothing i can do so i have to reset.
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