HP 640 ProBook G3 Notebook PC & HP 650 ProBook G3 Notebook PC - Maintenance and Service Guide
Table Of Contents
- Product description
- External component identification
- Illustrated parts catalog
- Removal and replacement procedures preliminary requirements
- Removal and replacement procedures for Authorized Service Provider parts
- Component replacement procedures
- Service door
- Battery
- Hard drive
- Solid-state drive (select products only)
- WWAN module (select products only)
- WLAN module
- Optical drive
- Keyboard
- Memory
- Hinge cover
- Base enclosure
- System board
- Fan and heat sink assembly
- Optical drive board
- Top cover and TouchPad
- RTC battery
- Speaker
- Power button board
- Fingerprint reader (select products only)
- Smart card reader
- Near Field Communication module
- Audio board
- Serial board
- Display assembly
- Component replacement procedures
- Computer Setup (BIOS), TPM, and HP Sure Start
- Using HP PC Hardware Diagnostics (UEFI)
- Backing up, restoring, and recovering
- Specifications
- Power cord set requirements
- Statement of memory volatility
- Recycling
- Index

To exit Computer Setup menus, choose one of the following methods:
●
To exit Computer Setup menus without saving your changes:
Select the Exit icon in the lower-right corner of the screen, and then follow the on-screen instructions.
– or –
Select Main, select Ignore Changes and Exit, and then press enter.
●
To save your changes and exit Computer Setup menus:
Select the Save icon in the lower-right corner of the screen, and then follow the on-screen instructions.
– or –
Select Main, select Save Changes and Exit, and then press enter.
Your changes go into eect when the computer restarts.
Restoring factory settings in Computer Setup
NOTE: Restoring defaults will not change the hard drive mode.
To return all settings in Computer Setup to the values that were set at the factory, follow these steps:
1. Start Computer Setup. See Starting Computer Setup on page 86.
2. Select Main, and then select Apply Factory Defaults and Exit.
NOTE: On select products, the selections may display Restore Defaults instead of Apply Factory
Defaults and Exit.
3. Follow the on-screen instructions.
4. To save your changes and exit, select the Save icon in the lower-right corner of the screen, and then
follow the on-screen instructions.
– or –
Select Main, select Save Changes and Exit, and then press enter.
Your changes go into eect when the computer restarts.
NOTE: Your password settings and security settings are not changed when you restore the factory settings.
Updating the BIOS
Updated versions of the BIOS may be available on the HP website.
Most BIOS updates on the HP website are packaged in compressed les called SoftPaqs.
Some download packages contain a le named Readme.txt, which contains information regarding installing
and troubleshooting the le.
Determining the BIOS version
To decide whether you need to update Computer Setup (BIOS), rst determine the BIOS version on your
computer.
BIOS version information (also known as ROM date and System BIOS) can be accessed by pressing fn+esc (if
you are already in Windows) or by using Computer Setup.
Using Computer Setup 87










