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- HP Community
- Notebooks
- Notebook Boot and Lockup
- Blank Screen with Caps Lock blinking twice and f12 red light
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04-04-2020 10:14 PM
My laptop shows blank screen With no messages when turned on. I can hear the sound of fan, I can see caps lock blinking twice and f12 showing red light. My esc key is not working so I cannot run startup for BIOS update. I tried hard reset using fn+b and fn+v, fn+f9, f10, f11 but nothing works.Can someone suggest an alternative?
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Accepted Solutions
04-05-2020 02:12 AM
Hi
Depending on the age of the PC and the BIOS vendor...
https://support.hp.com/us-en/document/bph07107
If it is BIOS related then....
Hopefully one of these documents will cover (and solve) your problem...
https://support.hp.com/ca-en/document/c00042629
https://support.hp.com/us-en/document/c02693833
https://support.hp.com/us-en/document/c04126730
04-05-2020 02:12 AM
Hi
Depending on the age of the PC and the BIOS vendor...
https://support.hp.com/us-en/document/bph07107
If it is BIOS related then....
Hopefully one of these documents will cover (and solve) your problem...
https://support.hp.com/ca-en/document/c00042629
https://support.hp.com/us-en/document/c02693833
https://support.hp.com/us-en/document/c04126730
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