BIOS screen freezes, erratic mouse and keyboard behavior

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Chevin

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Jan 1, 2014
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Hi all,
I need some help here. The problem am facing here is one it's kind I believe.
I have a Dell Studio 1558 laptop.
when i switch it on bios screen freezes at the dell logo screen. there i have to press F12 and select hdd from boot options - i din't had to do this before. after logging into windows right-click menu appears here and there, can't use 't' key, backspace selects everything, right-shift key activates the right-click menu and many more. am using onscreen keybrd to type here.
today reinstalled windows 7, problm is intact, please help
 
Solution
The_IT_Guy
Sounds like a hardware problem because of the crazy keyboard issue. Having to pick the hard drive from the bios isn't a big issue. You just need to go to the BIOS boot menu and make sure the HDD is listed near the top; usually after CD/DVD.

Since it's a Dell laptop, you can run their hardware tests here: http://www.dell.com/support/troubleshooting/us/en/19/KCS/KcsArticles/ArticleView?docid=266616 Dell does try to take care of their customers by giving them these tools.
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The_IT_Guy

The_IT_Guy

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May 29, 2013
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Sounds like a hardware problem because of the crazy keyboard issue. Having to pick the hard drive from the bios isn't a big issue. You just need to go to the BIOS boot menu and make sure the HDD is listed near the top; usually after CD/DVD.

Since it's a Dell laptop, you can run their hardware tests here: http://www.dell.com/support/troubleshooting/us/en/19/KCS/KcsArticles/ArticleView?docid=266616 Dell does try to take care of their customers by giving them these tools.
 
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Solution
C

Chevin

Honorable
Jan 1, 2014
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0
10,510




Thanks IT Guy for your help. I am kind of confused if its a hardware problem or any sort of virus affecting the system, though I did a complete anti-virus scan yesterday and it came out clean. Also, I did dell's pre-boot assessment test few days back to check any hardware issues - nothing.
I would run the dell pc diagnostic and health check from the dell website in sometime, hoping the test will point out the issue. I'll keep you updated.
Its very irritating at times and not persistent, the problem is different every time I restart my system. Key which were not working starts working and others behave erratically. Same with the touch pad. So disconnected the touch pad cable and used external mouse instead, problem is still there.
Is it possible that any sort of virus affected the bios? Because BIOS freezes most of the time and then I had to select hard drive from the boot option. I resetted the CMOS cell but of no use.

 
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