Dell Precision R5500 (Early 2011) - Manual (Page 43)

16
CMOS Battery
Removing the CMOS Battery
1. Follow the procedures in Before Working Inside Your Computer .
2. Remove the front bezel .
3. Remove the cover .
4. Remove the cooling shroud .
5. Remove the optical drive .
6. Remove the hard drive carrier .
7. Remove the hard-drive assembly .
8. Remove the SAS Backplane .
9. Remove the power supply .
10. Remove the control panel .
11. Remove the system fans .
12. Remove the removable fan bracket .
13. Remove the expansion card cages .
14. Remove the power distribution unit .
15. Remove the center riser board .
16. Disconnect cables leading to the power distribution unit.
17. Press the coin-cell battery inward to allow the battery to pop up from the socket. (power distribution unit removed
for visibility purposes)
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