I n s i d e t h e S y s t e m U n i t
LS/VS 550 OWNER’S HANDBOOK A/7
Replacing the CMOS battery
The battery has an average life of 3-5 years. If you have to reconfigure the
computer every time you turn it on, the battery has discharged and
needs replacing. The battery is a 3 volt lithium type (CR2032 or equivalent).
To replace the battery
1. Turn off the computer and unplug the power cord.
2. Take suitable anti-static precautions and remove the system unit
cover.
3. Identify the battery holder from the following diagram:
4. Carefully disconnect and remove any expansion cards that may
obstruct easy access to the battery.
Warning
Warning
Do not
use a
metal or other conductive implement to remove the
battery. If a short-circuit is accidentally made between its positive
and negative terminals, it may cause the battery to explode.
5. Lift the edge of the battery far enough to clear the base of the
holder, then slide the battery from under the contact spring.
6. Check the replacement battery is identical to the old battery.
7. Taking care not to touch the top or bottom surface of the
battery, pick up the replacement with the positive (+) terminal
upwards.
8. Slide the battery into the holder from the same side the old
battery was removed.
9. Replace any expansion cards you had to remove in step 4.
10. Refit the system unit cover.
