HP EliteBook 850 G3 User Manual

Speaker, headphone - audio issues
Symptoms
●
No sound from external or
internal speakers
●
Distorted sound, too soft, too
loud, intermittent
Possible causes
Volume turned down, sound card not recognized, malfunctioning hardware, electronic
interference.
Troubleshooting steps
1. Remove any device connected to the Audio jack to enable the internal speaker.
2. Close all open programs.
3. Adjust volume by pressing Fn + F6/F7. Be sure that volume button light is not amber
(mute).
- or -
Adjust Windows volume control by clicking the speaker icon on the Windows taskbar. Be
sure that the sound is not muted.
4. Verify that sound card is detected in Windows Device Manager.
5. Reinstall the latest audio driver.
6. Test audio device using HP PC Hardware Diagnostics (UEFI) tool (F2 > Component Tests
> Audio).
7. Test with a veried working operating system. If issue is resolved, restore full operating
system.
8. Test with veried working external speakers or headset.
9. Reseat internal speaker connections.
10. Test with veried working internal speakers.
11. Replace internal speakers.
No sound from headphones 1. Adjust volume by pressing Fn + F6/F7. Be sure that volume button light is not amber
(mute). Or adjust Windows volume control by clicking the speaker icon on the Windows
taskbar. Be sure that the sound it not muted.
2. Check headphone cable connection.
3. Test with a veried working audio board.
4. Replace audio board and verify the change.
No sound from external speakers 1. Verify that external speakers are turned on.
2. Disconnect headphones from headphone jack.
3. Adjust volume by pressing Fn + F6/F7. Be sure that volume button light is not amber
(mute).
- or -
Adjust Windows volume control by clicking the speaker icon on the Windows taskbar. Be
sure that the sound is not muted.
4. Check for possible interference devices nearby that may impact the audio (cell phone or
portable communications handset.)
132 Chapter 7 Troubleshooting guide

HP EliteBook 850 G3 Specifications

General

Form factor	Clamshell
Product type	Ultrabook
Product color	Silver
Country of origin	China
Bus type	OPI
Stepping	D1
Tjunction	100 °C
Processor cache	4 MB
Processor cores	2
Processor model	i7-6500U
System bus rate	4 GT/s
Processor family	Intel® Core™ i7
Processor series	Intel Core i7-6500 Mobile series
Processor socket	LGA 1356 (Socket B2)
Processor threads	4
Processor codename	Skylake
Configurable TDP-up	25 W
Processor frequency	2.5 GHz
Processor cache type	Smart Cache
Configurable TDP-down	7.5 W
Processor lithography	14 nm
Processor manufacturer	Intel
Processor front side bus	- MHz
PCI Express slots version	3.0
Processor boost frequency	3.1 GHz
Processor operating modes	64-bit
ECC supported by processor	No
PCI Express configurations	1x4, 4x1
Thermal Design Power (TDP)	15 W
Configurable TDP-up frequency	2.6 GHz
Configurable TDP-down frequency	0.8 GHz
Maximum number of PCI Express lanes	12
Numeric keypad	Yes
Pointing device	Touchpad
Recovery operating system	Windows 10 Pro
Operating system installed	Windows 7 Professional
Memory slots	2x SO-DIMM
Internal memory	8 GB
Memory clock speed	2133 MHz
Internal memory type	DDR4-SDRAM
Maximum internal memory	16 GB
Memory layout (slots x size)	1 x 4 GB
SSD capacity	The Solid State Drive's storage capacity in Gigabytes.
SSD interface	SATA
Storage media	SSD
Total storage capacity	512 GB
Compatible memory cards	SD, SDHC, SDXC
Number of SSDs installed	1
Display diagonal	15.6 \
Native aspect ratio	16:9
On-board graphics card ID	1916
Discrete graphics card model	Not available
On-board graphics card model	Intel® HD Graphics 520
On-board graphics card family	Intel® HD Graphics
Maximum on-board graphics card memory	1.74 GB
On-board graphics card OpenGL version	4.4
On-board graphics card base frequency	300 MHz
On-board graphics card DirectX version	12.0
On-board graphics card dynamic frequency (max)	1050 MHz
Battery capacity	46 Wh
Number of battery cells	3
AC adapter power	65 W
Wi-Fi standards	802.11a, Wi-Fi 5 (802.11ac), 802.11b, 802.11g, Wi-Fi 4 (802.11n)
Bluetooth version	4.2
Top Wi-Fi standard	Wi-Fi 5 (802.11ac)
Ethernet LAN data rates	10, 100, 1000 Mbit/s
Charging port type	DC-in jack
USB 2.0 ports quantity	0
Sustainability certificates	ENERGY STAR
Processor code	SR2EZ
Processor ARK ID	88194
Processor package size	42 X 24 mm
Supported instruction sets	SSE4.1, SSE4.2, AVX 2.0
Intel Smart Response Technology version	1.00
Intel Stable Image Platform Program (SIPP) version	0.00
Intel segment tagging	Enterprise
HP segment	Business
HP Software provided	HP BIOSphere with HP Sure Start, HP Client Security, HP Image Assistant, HP SoftPaq Download Manager, HP Connection Manager, HP Noise Reduction Software, HP Clear Sound Amp

Weight and Dimensions

Depth	257.7 mm
Width	383.3 mm
Height	19.4 mm
Weight	1880 g