![Remove and Replace the Real Time Clock Battery on HP ProBook 640 and 645 G2 Notebooks | HP® Customer Support Remove and Replace the Real Time Clock Battery on HP ProBook 640 and 645 G2 Notebooks | HP® Customer Support](https://support.hp.com/doc-images/138/c05324121.jpg)
Remove and Replace the Real Time Clock Battery on HP ProBook 640 and 645 G2 Notebooks | HP® Customer Support
![Remove and Replace the Real Time Clock Battery on HP ProBook 640 and 645 G2 Notebooks | HP® Customer Support Remove and Replace the Real Time Clock Battery on HP ProBook 640 and 645 G2 Notebooks | HP® Customer Support](https://support.hp.com/doc-images/289/c05324119.jpg)
Remove and Replace the Real Time Clock Battery on HP ProBook 640 and 645 G2 Notebooks | HP® Customer Support
![The technician is laying a cr2025 battery on the socket of the computer motherboard. the concept of computer, service, electronics, hardware, repairing, upgrade and technology. - ipc-computer.de Blog The technician is laying a cr2025 battery on the socket of the computer motherboard. the concept of computer, service, electronics, hardware, repairing, upgrade and technology. - ipc-computer.de Blog](https://blog.ipc-computer.de/wp-content/uploads/2018/08/cmos-batterie.jpg)
The technician is laying a cr2025 battery on the socket of the computer motherboard. the concept of computer, service, electronics, hardware, repairing, upgrade and technology. - ipc-computer.de Blog
![Remove and Replace the Real Time Clock Battery on HP ProBook 640 and 645 G2 Notebooks | HP® Customer Support Remove and Replace the Real Time Clock Battery on HP ProBook 640 and 645 G2 Notebooks | HP® Customer Support](https://support.hp.com/doc-images/842/c05324591.gif)