crwdns2933423:0crwdne2933423:0
crwdns2918538:0crwdne2918538:0

crwdns2934243:0crwdne2934243:0 rj713 and oldturkey03 crwdns2934247:0crwdne2934247:0

crwdns2947189:0crwdne2947189:0:

Why the need to remove cmos battery?

crwdns2934249:0crwdne2934249:0:

I read that anytime you need to upgrade ram or hard drive in

this macbook unibody model, you need to remove the mainboard cmos battery before doing any work. Why is that?

You didn't need to remove the mainboard battery in other older various macbooks when upgrading them.

crwdns2866306:0crwdne2866306:0:

MacBook Unibody Model A1342

crwdns2915684:0crwdne2915684:0:

open

crwdns2934251:0crwdne2934251:0:

+57561

crwdns2934241:0crwdne2934241:0 jon bob

crwdns2947189:0crwdne2947189:0:

Why the need to remove cmos battery?

crwdns2934249:0crwdne2934249:0:

I read that anytime you need to upgrade ram or hard drive in

this macbook unibody model, you need to remove the mainboard cmos battery before doing any work. Why is that?

You didn't need to remove the mainboard battery in other older various macbooks when upgrading them.

crwdns2866306:0crwdne2866306:0:

MacBook Unibody Model A1342

crwdns2915684:0crwdne2915684:0:

open