Introduction
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.
What you need
-
-
-
Turn over the laptop, and push in the clips to take out the battery.
Ask FixBot
-
-
-
Remove screws securing the hard drive
-
Remove hard drive by pulling on the tab to slide it out.
-
-
-
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.
-
-
-
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 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.
-
-
-
Unplug the black and white cables connected to the Wi-Fi chip.
-
-
-
Remove screws securing the Wi-Fi chip, then remove Wi-Fi chip.
-
-
-
Locate and disconnect connecting cables on motherboard.
-
-
-
Remove the remaining screws securing the motherboard to remove it.
-
-
-
Flip over motherboard and locate CMOS battery
-
Pry off battery with spudger.
-
-
To reassemble your device, follow these instructions in reverse order.
Cancel: I did not complete this guide.
2 other people completed this guide.
2 Guide Comments
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)
