How to reset CMOS battery on HP Elite book 820 g2
Reset CMOS battery on HP EliteBook 820 g2
Is this a good question?
Here's the maintenance and service guide for the laptop.
Go to p.56 to view the necessary pre-requisite steps and then the procedure to remove/ replace the RTC battery (Real Time Clock aka CMOS).
When the battery is disconnected measure its voltage. If it is <2.5V DC replace it.
Search online for 702853-001 to find suppliers that suit you best.
Was this answer helpful?
Past 24 Hours: 1
Past 7 Days: 9
Past 30 Days: 76
All Time: 487