[ahsanmk]

Hy everyone i unfortunately turned on all technologies in my bios and then i restart my pc and after the dell logo appears there i got black screen with a underscore blinking in the corner of my screen.please help me as soon as possible.

Edited by ahsanmk, 21 October 2014 - 03:33 AM.

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Welcome to G2G

 

Have you tried resetting the BIOS back to factory defaults, save the change, cross your fingers and then see if Windows will boot up?

[SpywareDr]

Welcome to G2G

 

Have you tried resetting the BIOS back to factory defaults, save the change, cross your fingers and then see if Windows will boot up?

[ahsanmk]

How do i reset bios?

[SpywareDr]

How to Reset Your BIOS

[ahsanmk]

But my bios is not opening?

[SpywareDr]

How did you get in there before?

 

To get in there on my computer, I power the system all the way off, wait a couple of seconds, press the On button and then start tapping the [Del] key on my keyboard. Exactly which key, or keys that need to be pressed varies widely though. Sometimes it's [Del], or [F1], or [F2], or [F10], or [Ctrl][Esc], etc., etc.

 

If you don't know which key(s), and you have a desktop computer, pulling the CMOS battery out for few minutes will usually reset the BIOS back to the factory defaults.

 

And as those instructions I linked you to above show, some computers have a little jumper on the motherboard that can be moved to reset the BIOS to factory default settings.

[ahsanmk]

thank you problem solved  

[SpywareDr]

Excellent news. Thanks for letting us know.