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AntonioRit
09-10-2015,
Hello, Bleeping Computer community!
I'd appreciate some experts' help.

Before the computer starts up, it shows the image (that black one). If I click F2, Windows 10 turns on. However, each time the computer shows wrong time. The difference varies from 45 minutes to several hours (set the time zone automatically, still to no avail).
Moreover, the printer (Canon mp 250 Pixma) doesn't work. It says "not responding". The printer itself works perfectly with another computer. Tried to reinstall the drivers - the problem remained. Did a reboot scan with Avast and as well as with MalwareBytes Anti-malware - no threats found. Read some article that it might be the cause of outdated BIOS settings. Entered the BIOS settings (the blue image) and chose optimized defaults. Lastly, when I click on setup window F2, the next time computer starts normally, but the next one again shows that black screen.
I'm getting worried whether it is some kind of "new-generation" malware or a complicated Windows 10 bug. Had no problems neither with the version nor with the printer.

I'd be grateful for your help.

Juli-chan
Attached Files

http://www.bleepingcomputer.com/forums/public/style_extra/mime_types/gif.gif (http://www.bleepingcomputer.com/forums/index.php?app=core&module=attach&section=attach&attach_id=183126) 20160726_180415.jpg (http://www.bleepingcomputer.com/forums/index.php?app=core&module=attach&section=attach&attach_id=183126) 92.04KB
http://www.bleepingcomputer.com/forums/public/style_extra/mime_types/gif.gif (http://www.bleepingcomputer.com/forums/index.php?app=core&module=attach&section=attach&attach_id=183127) 20160726_180435.jpg (http://www.bleepingcomputer.com/forums/index.php?app=core&module=attach&section=attach&attach_id=183127) 91.82KB

Anthonywaps
09-11-2015,
Choose F1 and set the time manually.
Then see if it continues to give you that error.

If it does, then you may have a weak/dead CMOS battery.
The CMOS battery is usually a silvery disk the size of a US nickle
If this is a laptop, it may not be easy to get at/find.
Post back with your make and model for additional info.

AntonIdeorce
09-13-2015,
Thank you for your help. I'll try inserting a new CMOS battery.

Antoniofore
09-15-2015,
Clicking F1 and choosing BIOS defaults doesn't help. After several reboots, the computer starts showing that setup window again.
Would removing and then inserting CMOS batter back help?

I added the PC info.
Attached Files

http://www.bleepingcomputer.com/forums/public/style_extra/mime_types/quicktime.gif (http://www.bleepingcomputer.com/forums/index.php?app=core&module=attach&section=attach&attach_id=183194) pcinfo.png (http://www.bleepingcomputer.com/forums/index.php?app=core&module=attach&section=attach&attach_id=183194) 19.71KB

Antonioka
09-16-2015,
The first screenshot shows a problem with the checksum in your BIOS.
If the CMOS battery isn't bad, then I'd have to suspect a problem with your motherboard.
Replacing the CMOS battery is the first step here - they're fairly cheap (only $5 US for 2 in my shop).
But, I'm not a hardware expert - so I'd check with the experts over here: http://www.bleepingcomputer.com/forums/f/7/internal-hardware/ (http://www.bleepingcomputer.com/forums/f/7/internal-hardware/%C2%A0)