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serkan111 Top Student
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presario v6420et 1 long 2 short serial beep sound

presario v6420et
Microsoft Windows 10 (64-bit)

Hi everyone,

I installed the old bios version on my computer.

The LED lights are on and  1 long 2 short serial beep sounding  and blank screen when it starts again.
can you help me.

 

 

 

 

 

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Provost Provost
Provost
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presario v6420et 1 long 2 short serial beep sound

That beep sequence indicates video failure. If the laptop was boot before the BIOS change you might try a hard reset to see if any change.

http://support.hp.com/us-en/product/HP-17-x100-Notebook-PC/12499468/model/13674364/document/c0173267...

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serkan111 Top Student
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presario v6420et 1 long 2 short serial beep sound

 

 

 

 

i tryed do this solution but my laptop have same  semptom at continue.

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