As result my Optiplex GX260 won't boot. After the initial sequence, it stops asking to choose the starup mode (safe,normal etc.) once you choose one mode it apparently starts booting but gets back to ask for the starup mode.
How can I format my HD. May I have also a compound problem with the motherboard?. Can a Virus also attack it?
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Restart computer or laptop. Press repeatedly F8 and choose Safe Mode with networking. Uninstall any other antivirus solution. Install AVAST - www.avast.com and Malwarebytes Anti Malware - http://www.malwarebytes.org/products/malwarebytes_pro/. Update antivirus definitions on both of them. Run Malwarebytes and choose a full scan. After the scan is complete choose to remove all infections and the computer will restart. Start again in safe mode, choose Boot time SCAN from avast and restart computer. Delete all infected files - it will ask for your choice: 1- delete, 2 - delete all 3 ignore 4 ignore all etc. Post here the results. If in safe mode you cannot connect to internet download Malwarebytes in another computer and use a usb stick to copy to infected computer. When you will use usb stick in another computer again scan it !!!!
If you can boot normally, right-click MyComputer and choose Properties, or go to Start->ControlPanel->System. Choose the Hardware tab, and click Device Manager. There you will see all the device drivers installed in the system. If yours is not listed, you can choose Show Hidden Devices from the View menu. Once you found the driver you want to remove, right-click it and choose Uninstall.
If you can't boot normally, you will have to boot to Safe Mode. This is done by pressing F8 key before Windows starts to load; you can press it several times when the initial tests & information screens are displayed. A menu will be shown, from which you need to choose Safe Mode. Once the system finishes loading you need to do the same sequence as described before.
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Try start up in Safe Mode press F8. Choose Safe Mode, when at the choice window, to select either Safe Mode Desktop, OR System Restore, chooses system restore and choose a time before you had the "Problem" and follow instructions. This should get you back.
Download a program called MalwareBytes from www.downloads.com . You will need to download to another computer and copy the file to a USB or CD to put on your infected computer. Boot the infected computer into safe mode (press F8 repeatedly during the initial boot sequence of the computer). Select Safe Mode with Networking. Once in safe mode, install the MalwareBytes program and run a full scan. Have it remove all infected files. Reboot the computer normally, run a full scan again and then run a full virus scan. Let me know your results.
if the safe mode does not work,it is better you to reinstall your windows again,some file have been corrupted already,the only way
is to insert your windows cd installer and have your new windows install again if you want go to recovery system wizard try to recover your start up windows.have a nice day!
hi it looks to me ur motherboard had a shock from this power fluctuation u have..... it may solve the problem itself if u have patient..if not i would say uninstall and reinstall ur cumputer with the version u have or go to VISTA ALSO WOULD RECOMMENDED TO GET A POWER SURCHARGE WHO WILL PROTECT UR COMPUTER
I recently had a problem that sounds similar to this - A virus was causing a fake validation window to pop up when I booted my computer and blocked all other functions.
Start your computer in Safe Mode and go to Start>Run>type msconfig and hit ok. Go to the Startup tab, make sure you can see everything in the Command column, and uncheck anything that doesn't sound fimilar. Hit ok then restart and see if the validation window pops up again after a normal boot. If it goes away you can prpbably clean away the rest of the virus with a simple virus/adware scan.
It sounds like your Windows is damaged.
You need to reload the Windows.
Start your computer with Windows CD and choose "Repair System" or bring it to a repair shop. It will cost you about one hour labor.
The video driver isn't set up correctly for the computer. You need to boot into safe mode - after powering on the computer, press the F8 key. You will be shown a menu. Choose Safe Mode with networking. The computer will boot using a very basic video driver. Right click on the screen and select properties. Click on the advance tab. Click on Driver => Advanced => Update driver. Once the driver has been updated. Go back to the drivers tab and click on mode. Select one of the modes. Close everything and restart your conmputer normally.