Question about Sony Toshiba Qosmio F45-AV411 Notebook

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Blank screen on Qosmio f45 after power down when a program froze

I was updating McAffee virus online when the download quit responding. Task manager would not come up so I powered off then on. Starts to boot up then hit a blank flat line cursor screen. Can access BIOS but f5 anf f8 function keys will not let me access a restore partition or safe mode.

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  • HArchH Nov 15, 2009

    Your problem sounds like mine. When I power it on I get a blank white bar, the Q logo, and the Phoenix BIOS logo. Then it goes to the white blinking cursor. Looks like the BIOS is bad. I called Toshiba looking for a way to reset it. He had me pull the battery and the power cord then press and hold the power button for 10 seconds to attempt a reset. You might try it, but it didn't work for me. I took the machine apart using the instructions athttp://www.irisvista.com/tech/laptops/To... to look for the BIOS reset button the CSR said was on the motherboard, but I can't find it. If you can, please let me know where to find it and what it looks like. Thanks, ahughes@san.rr.com

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  • 9 Answers

Try taking out the operating system then putting it back in and rebooting it.

Posted on Dec 31, 2008

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Posted on Jan 02, 2017

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