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
Buttons, speakers, and ngerprint reader
Component Description
(1) Power button
●
When the computer is o, press the button to turn on the
computer.
●
When the computer is on, press the button briey to initiate
Sleep.
●
When the computer is in the Sleep state, press the button
briey to exit Sleep.
●
When the computer is in Hibernation, press the button
briey to exit Hibernation.
CAUTION: Pressing and holding down the power button results
in the loss of unsaved information.
If the computer has stopped responding and shutdown
procedures are ineective, press and hold the power button for at
least 5 seconds to turn o the computer.
To learn more about your power settings, see your power
options.
▲ Type power options in the taskbar search box, and then
select Power Options.
‒ or –
Right-click the Power meter icon , and then select
Power Options.
(2) Speakers Produce sound.
Top 13