How to reset CMOS battery on HP Elite book 820 g2

Question

HP EliteBook 820 G2

The EliteBook 820 G2 is a 12.5" business-oriented laptop manufactured by HP in 2015.

crwdns2934065:0crwdne2934065:0: 1

crwdns2933897:0crwdne2933897:0

Reset CMOS battery on HP EliteBook 820 g2

crwdns2934109:0crwdne2934109:0

crwdns2889612:0crwdne2889612:0 0

score 1 · Answer 1 · 2022-05-07T23:11:31-07:00

crwdns2934057:0crwdne2934057:0

crwdns2934065:0crwdne2934065:0: 450.9crwdns2936485:0crwdne2936485:0

11

367

1.4crwdns2936485:0crwdne2936485:0

crwdns2933897:0crwdne2933897:0

Hi,

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.

crwdns2934105:0crwdne2934105:0

crwdns2889612:0crwdne2889612:0 1