Back dating c0mputer to correct problems

It can restore Windows to a factory fresh state without affecting your documents, although everything else (including apps) are removed.Even so, you should make sure you have a back up of your important files before using this option, just in case.Before replacing the battery, set the date and time to the correct values in CMOS setup and save and exit the setup.If the values are lost after turning the computer off and back on, set the values again, but this time leave your computer on for 2-3 days without turning it off.When the System Properties dialog box appears, click the System Protection tab and then click the Configure button.

A computer's system restore point may have been deleted for one of the following reasons.

So while we hope you never need any of the advice given here, it’s worth familiarising yourself with Windows 10’s various recovery options should the need to use one of them ever arise.

[Read more: How to protect your computer from viruses and malware for free] As with earlier versions of Windows, System Restore allows you to ‘rewind’ your Windows installation to an earlier working state, without affecting your documents.

APM, or Advanced Power Management, can cause issues with the computer keeping time.

Verify this is not the issue by entering CMOS setup and disabling APM or Power Management.

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