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‎11-30-2022 05:12 AM

HP Recommended
Product: HP Pavilion 590-p0022ur

Blue screen: CMOS checksum is invalid,  CMOS will reset to default config, and PC will restart. Afterwards check BIOS setup options to see if they changed. CMOS reset (502) / ENTER - Restart PC.

It restarts and WIN-10 is loaded but with two problems:

1. The clock is set to 01/01/2255.  Time syncronisation produces error, manual time setting fields are grey and do not take any input.

2, Internet works very slow. Support from my Internet provider suggested to reset parameters of network and Internet. This takes about 7 minutes, computer reloads automatically (without that blue screen CMOS reset (502)), time setting are correct and Internet speed is OK.  But when turning on the computer next morning the problem happens again.

3. Computer starts loading on plugging it in the main, without pressing the POWER button

HP support offers a procedure to recover the BIOS (Press and hold Windows and B keys while pressing POWER and BIOS update screen appears ...) which I followed and it completed successfully. Yet it solved none of those three problems

 

What should be my next step?

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