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- Notebook Boot and Lockup
- CMOS error & preparing automatic repair loop.

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12-16-2023 08:00 AM
My HP Stream Laptop is booting into continuous loop. Here's what I have tried and the error messages, Took off back of laptop disconnected battery (which was working) so I could preform a hard reset. After the reset (which I have tried many times), I get the error message Checksum invalid CMOS reset 502, then the laptop restarts hp screen appears says device ran into a problem and restarts again and goes into a HP screen preparing automatic repair. I have tried booting from a usb flash drive with new bios and another flash drive with windows recovery. Nothing happens, on BIOS I hold Windows + B nothing & F11 nothing. On windows recovery disk have tried holding nothing or F5/f6 to go to safe boot...nothing. I am trying to fix this machine for a friend and do not care if data is lost on clean install just cant get there. Not sure what version of Windows its currently on but I know it was shipped with windows 10 S 64 bit.