crwdns2915892:0crwdne2915892:0
Access the motherboard to replace the CMOS battery if your computer is having issues tracking the date and time. It is recommended to wear an anti-static wrist strap to avoid damaging the electronic components of the computer.
crwdns2942213:0crwdne2942213:0
-
-
Turn over the laptop, and push in the clips to take out the battery.
-
-
-
Remove the screws to take off the surface cover.
Dont wast you time for these steps because this model 3521 ,only 2nd step enough for remove cmos battery . Once remove the Surface Cover ,you can see the cmos battery .. no need to remove all the components .thanks me later .
-
-
-
Remove screws securing the hard drive
-
Remove hard drive by pulling on the tab to slide it out.
Dont wast you time for these steps because this model 3521 ,only 2nd step enough for remove cmos battery . Once remove the Surface Cover ,you can see the cmos battery .. no need to remove all the components .thanks me later .
-
-
-
Remove the memory card by pressing on the latches on either side.
-
-
-
Remove the screws securing the optical drive, then slide out the optical drive.
-
-
-
Remove all remaining screws on the back.
-
-
-
Turn computer over and open it.
-
Carefully pry off keyboard using spudger.
-
-
-
-
Remove the ribbon cable by pulling up on the tab where it is attached, then slide it out.
-
-
-
Unplug the smaller ribbon cable by pulling up on the tab where it is attached, then slide it out.
-
-
-
Unplug the motherboard cable by pulling up on the tab where it is attached, then slide it out.
-
-
-
Remove all screws from palm rest
-
-
-
Remove palm rest by carefully prying it off with a spudger.
-
-
-
Unplug the white ribbon cable by pulling up on the tab where it is attached, then slide it out.
-
-
-
Gently pull out the connecting cable.
-
-
-
Unplug the black and white cables connected to the Wi-Fi chip.
Dont wast you time for these steps because this model 3521 ,only 2nd step enough for remove cmos battery . Once remove the Surface Cover ,you can see the cmos battery .. no need to remove all the components .thanks me later .
-
-
-
Disconnect screen by removing all remaining screws.
-
-
-
Remove screws securing the Wi-Fi chip, then remove Wi-Fi chip.
-
-
-
Locate and disconnect connecting cables on motherboard.
Dont wast you time for these steps because this model 3521 ,only 2nd step enough for remove cmos battery . Once remove the Surface Cover ,you can see the cmos battery .. no need to remove all the components .thanks me later .
-
-
-
Remove the remaining screws securing the motherboard to remove it.
Dont wast you time for these steps because this model 3521 ,only 2nd step enough for remove cmos battery . Once remove the Surface Cover ,you can see the cmos battery .. no need to remove all the components .thanks me later .
What do the screws look like after thay are out
-
-
-
Flip over motherboard and locate CMOS battery
-
Pry off battery with spudger.
-
-
-
Place new CMOS battery in motherboard.
Dont wast you time for these steps because this model 3521 ,only 2nd step enough for remove cmos battery . Once remove the Surface Cover ,you can see the cmos battery .. no need to remove all the components .thanks me later .
Is the battery replacement required if the laptop doesn't detect the battery charging
-
To reassemble your device, follow these instructions in reverse order.
To reassemble your device, follow these instructions in reverse order.
crwdns2935221:0crwdne2935221:0
crwdns2935227:0crwdne2935227:0
crwdns2947412:02crwdne2947412:0
Dont wast you time for these steps because this model 3521 ,only 2nd step enough for remove cmos battery . Once remove the Surface Cover ,you can see the cmos battery .. no need to remove all the components .thanks me later .
Thank you, kind man)
Dont wast you time for these steps because this model 3521 ,only 2nd step enough for remove cmos battery . Once remove the Surface Cover ,you can see the cmos battery .. no need to remove all the components .thanks me later .
Stuff Srilanka - crwdns2934203:0crwdne2934203:0