5. Install the
.
6. Install the
.
7. Install the
8. Install the
.
After working inside your computer
.
Coin-cell battery
Removing the coin-cell battery
Prerequisites
Before working inside your computer
.
CAUTION:
Removing the coin-cell battery resets the BIOS setup program’s settings to default. It is
recommended that you note the BIOS setup program’s settings before removing the coin-cell battery.
2. Enter
.
3. Remove the
4. Remove the
.
5. Remove the
.
6. Remove the
.
7. Remove the
or
.
8. Remove the
.
9. Remove the
10. Remove the
.
11. Remove the heat sink -
or
based on the system configuration.
12. Remove the
13. Remove the
NOTE:
The system board can be removed with the heat sink attached in order to simplify the procedure and preserve the
thermal bond between the system board and heat sink.
14. Remove the
for models shipped without a WWAN card.
15. Remove the
.
16. Remove the
.
About this task
The following images indicate the location of the coin-cell battery and provide a visual representation of the removal procedure.
Removing and installing components
61
Summary of Contents for Inspiron 5421
Page 6: ...Chapter 6 Getting help 127 Contacting Dell 127 6 Contents ...
Page 14: ...Major components of your system 1 Base cover 14 Removing and installing components ...
Page 21: ...Removing and installing components 21 ...
Page 70: ...70 Removing and installing components ...
Page 72: ...72 Removing and installing components ...
Page 73: ...Removing and installing components 73 ...
Page 78: ...78 Removing and installing components ...
Page 79: ...Removing and installing components 79 ...
Page 82: ...82 Removing and installing components ...
