Flashing black screen with - after post "fix."

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• Black screen with flashing underscore concerns after removal of Rootkit

  HP Envy laptop (Win 7)
  Microsoft Security Essentials identified the Alureon trojan/rootkit, but could not clean after numerous attempts. I downloaded Malwarebytes Anti-Rootkit and it ran. He found and cleaned 3 threats. After completed cleaning, the laptop it will only boot to a black screen with a flashing underscore.

  I can access the boot, BIOS, System Recovery menu, etc. by pressing ESC at startup. However, I can't get into safe mode.

  There is an HP Recovery Manager option in the boot menu (F11) where you can access to Windows system restore, but also a few other options. I tried several restore points. Some boot worked but it is still in the black screen, other has no restore points.

  Thank you

  Hello

  In this case I suggest you select the option 'System of valuation (restore your computer to its original factory State)' - this will reinstall Windows 7, all software drivers and original, and all of the original scores.

  At the beginning of this procedure, you will have the option to backup your files (providing the files have not been corrupted)-this can be done for a connected external HDD or usb flash drives.  A full description of the backup process are under the heading "If you want to back up your personal files, follow these steps to create a back-up" on the following link.

  http://support.HP.com/us-en/document/c01867418

  Once completed, continue with the Factory Reset.

  **************************************************************

  Once the process is complete recovery, you'll always be able to create your 1 set of recovery on a usb flash drive media - the procedure is detailed in the HP document on the following link.

  Create recovery media - Windows 7.

  Best regards

  DP - K

• MacBook (2010) starts with black screen with flashing Apple logo

  I recently got ahold of a Macbook Pro 2010 running very slow so I did a reinstall of the operating system (which was a living nightmare, Macintosh is not as easy to manage as it was at the time of PowerPC) once I got to the top and running, I decided to upgrade to the latest version of El Capitan (an update (not an upgrade I already had a version out there) once I rebooted and let the computer do its thing he began to start up normally, but after finishing the progress bar, he went to a black screen (with the screen still on) that flashed the boot from time to time Apple logo. I forced shut down the computer and start in safe mode with success (that's how I'm typing this post now).

  Thanks in advance.

  When you reinstalled, did you remove any third-party system before reinstalling.

  A Mac that runs in Mode without failure, but are generally not normally indicates some incompatible system changes.

  Software common problems are things that are intended to clean, protect, optimize, accelerate, or otherwise maintain your Mac.

• First HP screen, then a black screen with a flashing underscore

  Hello!

  I bought a new graphics (Asus GeForce GT 740 PhysX CUDA 2 GB) card for my desktop PC (HP Pavilion p6-2067sc) and have a problem. When I put in the card and start the PC the HP screen sometimes maybe 20 seconds and after that it's a black screen with a line flashes in the upper left corner. Ive tried many things to fix it, but have not found ways again, I updated from the BIOS to the latest update from HP.

  OK, I just found out that if I connect the vga input mother board and boot the pc, and after 5 minutes I plug the vga in the gfx card, it shows that windows started normally, and im on the desktop, I now try to install the drivers etc and see if that will fix it.

• Boots Vista 64 Ultimate SP2 (with domain) to the mouse cursor black screen white after that several failure system restores

  Who can help me to WHO:

  Sorry for fast hiking, misspellings, it's late and I do not use my normal computer to this problem I have.

  I am currently sympthym to start the black screen with a white cursor (furniture, put in construction in the middle) with my laptop Dell Studio 15 (model 1537) that running Vista Ultimate 64 bit SP2.  He started tonight after repeatively, I tried to restore to a date prior to the System Restore tool.  I wanted to get back to Monday due to some software installations.  However, each attempt to restore failed and then after the 3rd or 4th attempt, when I tried to restart, I was faced with a window very long stop, and I was impacient and pressed and held the power button to stop it.  Subsequent starts, I've known this problem with no solution having been found for the moment.

  I tried several things at first, such that I tried Ctrl-alt-del, control-shift-esc, blindly connect with my fingerprint.  I tried windows key combos, but no luck.  Still stuck with screen black mouse cursor

  I have my vista ultimate 64 bit installation disc, and I started with the dvd and tried to fix it.  Automatic repair tool says he finds a problem with my start and had a difficulty to which I applied and rebooted.  But it did not work.

  Then, I tried to boot from the dvd again and did the repair option again, this time, Autostart reparir tool see nothing wrong with my start and I tried a system restore, but alas, it failed after having worked for a bit.  Telling something about restoration being corrupted.  I tried command prompt (X:\Source) and make chkdsk c: /p (which btw, implies / f as well) and it found some errors and repaired them or what not was wrong to write to newspapers, even if and then after long waiting, returns to the c: prompt.  No effect.

  On subsquent dvd boots, I tried the option to command line renaming a "Logs" directory and create a directory "Logs" empty (which was mentioned in some research online and even in a few posts here), but that has not solved the problem for me either.

  Dvd later boots, I have tried regedit solution method, where you will load a SYSTEM key and set some sort of AUTHORITY NT set... but when I checked key, she was already the correct setting.

  Then I learned that I could press the "Shift" key repeatedly while mode cursor screen black/white/and try the propmpt for keys pop-up to sticky.  But he said no 'link' as many instructions in this message box.  When I click 'Yes' to sticky keys, nothing is displayed and the pop-up closes.  Ditto for the 'no '.  There is no mention of accessibility settings.

  I tried all modes of security, but just a white cursor plu experience.  I have tried to use "last known configuration', 'debug mode', 'start logging mode', mode"disable driver signing"and again, the same thing, the cursor of the black and white screen.  I'm really at my wit's end, and I don't want REALLY to re - install everything (operating system, programs, settings, etc.) ... I did not back upward, and I use this machine without problem for more than a year.

  I remember once XP has a "repair install" mode which was really obvious to end users, since it looked almost identical to a clean install.  I have also heard (but can't really confirm) Vista has no such a fashion, that, by clicking on install, he repaired to the simular OS to XP disks how would repair their facilities.  I can't risk my data/programs/settings for accidental clean installation.  Help, please!

  Sincerely,
  Robert Eckman

  According to me, put it back in place, is the only solution to your problem!

• Black screen with blinking cursor after the passage in MSC mode

  I followed the recommendation to disable startup secure in the Bios then move the UEFI Bios to the CSM. But when I go to set up what I see is a black screen with a stable cursor in it. And it doesn t go in the Bios.

  The black screen remains.
  I turn off the laptop and once again now, but I still have a black screen with a cursor that is stable and that s it.

  It's like that and it doesn t go to windows even go into the Bios, I can t.
  What should I do?

  Help, please...

  Hello

  After the passage of the CSM and disabling secure boot UEFI mode, you will not be able to boot from the HARD disk as the installation of Windows 8 requires secure boot and the mode of the UEFI.

  Now you can boot from the disc or other media bootable (USB flash key) to install the Windows 7 system.

  I guess you've made these changes installed Windows 7. Right?

  By the way: what model of laptop you have exactly?

• Computer won't turn on completely (black screen with blinking cursor) after installing windows updates

  8/7, the following updates have been installed correctly:

  Microsoft .NET Framework 3.5 Service Pack 1 and the .NET Framework 3.5 Family Update (KB951847) x 86

  Update definition for Windows Defender - KB915597 (definition 1.63.1021.0)

  Following this installation, the display resolution has been reset to be very low.  When you try to reset the resolution, I was alerted to a driver problem, so tried installing this in vain (below error code)

  Intel Corporation - display - Intel (r) G33/G31 Express Chipset Family

  Error details: Code 800703E3

  After that, he went to sleep the computer, but was unable to select 'sleep' (it is grayed out) but the stop keys option indicates that the updates were ready to install so I stop thinking which may help.  It was last night.  This morning, the computer was on, seen the screen DELL, then a black screen with flashing white cursor in the upper left corner.  I tried ctrl-alt-del, got the dell screen appears again, then black screen.  I tried ctrl-alt-del, thinking I could try one of the options key F at this time, but he won't even go to this point, the dell blank screen just screen.

  Any ideas would be very appreciated!  It is the second major problem that I had recently after updates vista install (the last time I temporarily lost access to all my files, because they were placed under a temporary user account that had been created!)

  Thank you!

  Hello

  You try to borrow the Vista DVD to any of your friends and do a repair (inplace upgrade) it might help you solve the problem.

  All the best,

  Geek

• Black screen with mouse pointer count on reboot after installing SP3

  I tried to install Service Pack 3 on a PC running XP Home Edition (new installation).

  Although Microsoft Update has finished installing SP3 and the computer reboots, I get the XP installation screen base with the message "Please wait...". ", which disappears after a few seconds, leaving me with a black screen with only the mouse pointer.

  The mouse pointer moves then the PC broke down, well that no matter how long I leave nothing happens.

  I tried to uninstall SP3 and do it again (when I Uninstall SP3, Windows starts very well) and also uninstall SP3 as well as my Antivirus and try the installation again. But whenever I'm just left whit black screen.

  Try to update with the custom option.  I had problems like this before.  Usually you are missing a driver or something of this kind that makes you hang.  To update while the custom option, with the exception of SP3.  Reboot several times the installation of updates with the "Custom" option  Once all updates have been installed except SP3, you can try SP3 and see what happens.  This usually takes care of it when I have the same problem. Serving the community one computer at a time www.therushvillecomputerguy.com please post a reply to let us know whether or not our response helped.

• Pavilion dv6 - 7013cl - black screen with caps lock led flashes constantly at startup.

  The laptop was running hot. I cleaned the dust from the fan area. The battery is bad. I checked the voltage on the charger that was 43v - bought a new charger is 18.5 v. I wiped the ram and started with one and moved to different positions. I have now a black screen with the cap lock key blinks blue continuously and the f12 key led light ceases to orange. Any suggestions what I should try next and which snaps the seeing Cap continuously flashes means - that is a code or have a meaning?

  According to the message that you have recently published, I want to confirm that this could be a hardware problem and I highly recommend to Contact HP immediately technical support by phone for further assistance immediately to get your Notebook diagnosed and repaired by an authorized HP Certified Engineer

  You can also check your warranty here to check the status of the guarantee

  Hope this helps, for other queries in response to the post and feel free to join us again

  * Click on the star of CONGRATULATIONS on the left to say thank you *.

  Make it easier for others to find solutions by checking a response "Accept as Solution" if it solves your problem.

  Thank you

  K N R K

  I work on behalf of HP

• Problem re-installing VISTA after the removal of Windows 8 Preview Release, all I get is a black screen with a message "Not found operating system"

  I recently tried Win 8 on my VAIO laptop spare parts on which I ran Vista, after having previously deleted all the files and documents (I don't use often the laptop). Having concluded that Win8 will really work correctly with a touch screen (and the display size was bad as well), I uninstalled WIN 8, understand that I have to re - install Vista from my rescue disks. This I tried successfully a few months previously to make a clean reinstall. However, after removing 8 WIN via the Control Panel, I can't re - install Vista now. All I get is a black screen with a message "The operating system not found" and the rescue disks do not register. What can I do? I like Vista (although I now run Win 7 on my PC) and really want to put it back. Grateful for the advice.

  Well I finally fixed it by tweaking the BOOT BIOS settings and find something along the lines of VAIO Setup. I'm afraid, I just don't remember exactly what I did, but suddenly I found and ran 'VAIO Hardware Diagnostics' gave me a heart when it announced "no error was detected on the Vaio. Then I saw there was an entry for 'VAIO Recovery Utility - Recovery Wizard' and everything started to load. Since the 2 recovery discs I had. Finally, I ran MS Office and Small Business CD-ROM and now everything is back the way that it used to be. Here I had taken more note of how I got to the well Recovery Wizard. I hope that I never have to do it again!

• Black screen with flashing '_' in the upper left corner.

  Im running Vista 64-bit Home Premium and recently ran chckdisk because the computer found some "bad sectors" and prompted me to run. After reboot, the computer loads the image in which I can press "delete" to enter the bios (which I do), then press "tab" to go to the post OFFICE (which has no effect and always load the black screen with a '_' blinking at the top left. If I do nothing, the black screen with the '_' blinking always appears after the image. I can't start in safe mode or access the "Advanced Boot Options". The only thing I can do after the black screen is press "ctrl alt del" in which the same process begins.

  I bought my computer from online retailer so it did not come with any CD to restore/recover...

  Hello

  1. did you of recent changes to the system?

  Check her unplug all devices external (except keyboard and mouse) and if you are able to boot.

  If this isn't the case, I suggest you contact the manufacturer or retailer for a Windows Vista Installation DVD.

  Once you have the DVD you can try to perform the Startup Repair.

  Method 1: Run a startup repair.

  (a) Insert the disc.

  (b) restart your computer using the power button on the computer.

  (c) If you are prompted, press any key to start Windows from the installation disc.

  (d) If your computer is not configured to boot from a CD/DVD, check the documentation that came with your computer. You may need to change your computer's BIOS settings.

  (e) choose your language settings, and then click Next.

  (f) If you are using the Windows installation disc, click Startup Repair. (g) click ok when you are prompted.   Follow the steps in the link to perform a startup repair. http://Windows.Microsoft.com/en-us/Windows-Vista/startup-repair-frequently-asked-questions

  Hope his helps.

• After a black screen with a cursor, the performed system restore, now cannot open programs, USB drive

  Original title: Windows 7 Home Edition

  Yesterday, my pc only has a black screen with a cursor. I tried to restore on another point but then after starting upwards and put my password, I get the home screen but cannot open any programs. I can't use the USB stick or cd / dvd drive so how should proceed to solve this? I can't put my external modem to make a back up and I really want to fix this without losing all the data on my pc. I can run programs in safe mode and windows installation disc opens in SafeMode as well, however I can't set safe mode.

  Boot from the Windows 7 DVD
  Click Install now
  Accept the license agreement
  When the option is displayed to select a type of installation, click (Custom advanced)

  Select the disk partition where you want to install Windows 7 click Next.

  You will receive the following warning:

  The partition you have selected may contain files from a previous Installation of Windows. If so, these files and folders will be moved to a folder named Windows.old. You will be able to access the information in Windows.old, but you will be able to use your previous version of Windows.

  (At all costs, do NOT click on anything in Format, deletion or Partition name.) So even do a custom installation, your personal files are still kept. Click OK

  The installation program will now begin installation. During installation, your computer will be restarted several times.

  Once the installation is complete, you can complete the Out of Box experience as the choice of your laptop, create a username, password, your time zone. You can then proceed to download the latest updates for Windows and reinstall your applications and drivers.

  You can then retrieve your personal files from the Windows.old folder and reinstall all of your applications and drivers.

  http://notebooks.com/2010/11/09/how-to-recover-documents-music-and-email-after-upgrading-with-the-Windows-old-folder/

• Windows 8.1, black screen with cursor flashing before logon

  I tried to update my sound driver, then all of a sudden a greyish black screen came on screen with the blinking cursor.
  I waited, but nothing happened so I took the laptop battery and replace.
  the laptop starts in safe mode, but if I run it normally, a black screen with flashing cursor, the widowed startup sound also plays. Help, please
  My laptop is Hp pavilion 15

  HP Pavilion e053se-15 Notebook PC (ENERGY STAR) (E0Y27EA)

  http://h10025.www1.HP.com/ewfrf/wc/softwareCategory?cc=us&LC=en&product=5442752

  You log in safe mode and remove the driver that you have installed. Then, restart your laptop. And reinstall the previous versions of the sound card.
  Good luck!

  (Previously, I also met this case with my friend ' notebook: Probook s 4530)

• Black screen with the underscore flashing in the upper right corner - HELP!

  Prouct name - laptop HP 2000-299WM

  Product number - QE282UA #ABA

  Operating system-Windows 7, 64 bit.

  No error message.

  No recent changes before the problem occurred.

  -For starting, my laptop goes to the screen with the logo blue HP and then straight to a black screen with an underscore flashing in the upper right corner. I tried to restore it to its factory settings and other things, but nothing did! Ive been wondering if I should try what I saw worked for another customer here - http://h30434.www3.hp.com/t5/Notebook-Operating-Systems-and/Black-screen-with-blinking-cursor-HELP/t....

  Help!

  Hello

  Try typing the esc key when you start the laptop to see if it launches the Start Menu - if this is the case, use the arrow keys to select the Boot Menu, click on enter and then use the arrow keys to select the CD/DVD drive and press ENTER again.

  Kind regards

  DP - K

• Help.Black screen with cursor on startup after downloading avast

  Hi, I downloaded avast pro is a reboot. It is frozen on a black screen with a white cursor, before the account log in page.

  I can boot into safe mode and after removing the avast program it works normally when you restart.

  When avast is downloaded again the same thing happens.

  Hello

  I suggest that you try to perform the boot repair and check if this can help:

  http://Windows.Microsoft.com/en-us/Windows-Vista/startup-repair-frequently-asked-questions

  It will be useful.