Can malware disable Safe Mode, the BIOS... or the keyboard?
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After surfing around for a while, I rebooted into a Linux live CD, then back into Windows... after I saw a fake "anti-virus" program pop up when I returned to Windows, I knew I'd caught something. I went back to Linux, read up on Antivira AV and thought I had a pretty good idea of what it took to uninstal it. After starting Windows again, I realized I still wasn't clear on the last few steps for removal, so tried going back to the boot menu... but to no avail! If I restarted the computer in the middle of booting, I got the "Windows did not shut down correctly" message.. but the arrow keys would not respond, and I could not choose Safe Mode. Neither could I get to the menu to select a boot device, nor go into the BIOS. After restarting, the computer would give an additional beep - something it doesn't usually do after leaving the BIOS - and jump right into Windows. It seems like that logo screen for the BIOS doesn't stay up as long, either, being "cut off" before beeping and booting off the first available drive. And I noticed that the usual Caps/Scroll/Num lights wouldn't flash or respond to Num Lock pressings. Now I've disconnected the hard drive, but still, though it will boot off a live CD, I cannot select any boot device, it just starts by default. I can't get into the BIOS, and once in the splash screen for the Linux CD, with boot options, the keyboard will STILL not respond! No arrow keys, no nothing. But once I've booted into the OS off the CD, I can type a paper, F-keys, activate Num Lock - the keyboard will act fine, no problem. Has this program really fried the BIOS? If so, is there any hope if I disinfect the HD, or do you think it will get reinfected? Will I need to get a new motherboard to ever manually select a boot drive or get into Safe Mode again?
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Answer:
Yes! and don't click on everything you see...just for the fun of it. You'll start getting all kinds of junk, messing up you computer. oh!, a new motherboard isn't the solution. Go to Start (lower left round globe). Then All Programs... ...Accesories, then System Tools, then System Restore, and run it - do what they say. btw, if you choose a date when you had problems, system restore will keep them and just put them right back on. Try to get a date when everything was good. If you can't, you might have to reinstall the whole works.
Éric Vinilo at Yahoo! Answers Visit the source
Other answers
Sounds like you have a bootloading virus. You might want to repair the MBR and try booting into safe mode again. Then follow the instructions in this video. This is how we get computers clean everytime, and the order you do the work is critical so don't skip steps. http://www.fixitforthirty.com/virus-removal-advice/remove-viruses-with-free-software-detailed-how-to-video/
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