To access the internals and remove the battery which would allow access to the CMOS battery, please read the following articles first:
How to: Access internals of your a1600 Corsair Voyager Laptop – Corsair
How to: Remove the battery from your a1600 Corsair Voyager Laptop – Corsair
Note: We only recommend doing these steps if Corsair Technical Support has directed you to this article
Your laptop should look like this prior to you attempting to disconnect the CMOS battery (connector highlighted in orange):
Once you have located the CMOS battery connector, use your index and thumb to put pressure on the highlighted areas then slowly pull toward you
Do not pull from the cable
Leave the connector out of the laptop for at least 35 seconds. Afterwards reconnect the connector, reassemble the laptop, than start your laptop to see if the issue is resolved.