If you wish to install Windows 10 64bit on a HP EliteBook 850 G1 Notebook-PC you need the following drivers:
Warnung: Some of the drivers below aren´t officially tested by HP with the 850 G1. However they work on my device without issues.
Used OS: Microsoft Windows 10´s November 2019 Update, codenamed 19H2, released on November 12. Also known as Windows 10 version 1909
The infos below might also work for the HP EliteBook 820 G1 & HP EliteBook 840 G1.
HP Ultraslim 2013 Docking Station
Note: Seamed to be sometimes refered as "Synaptics VMM2230 DP Hub"
Infineon TPM 1.2 Chip (Infineon SLB 9656)
4.34.1011.0 (21-Nov-2018) - sp82407.exe [latest official HP 850 G1 Firmware]
Note: To update the TPM firmware check the HowTo here. Keep additional noted that the Infineon SLB 9656 couldn´t be upgraded to TPM 2.0.
Intel Management Engine (ME) Firmware
220.127.116.1100 (August 20, 2018) - sp90249.exe [latest official HP 850 G1 Firmware]
Mobile Broadband (HP lt4112 Gobi 4G Module)
12.500.01.18.1803 (Jan 13, 2017) - sp78935.exe [latest official HP 850 G1 Firmware]
01.48 (19. Sept. 2019) - sp99185.exe [latest official HP 850 G1 BIOS]
Display Adapter (Intel HD Graphics 4400)
18.104.22.16831 (2016-09-29) - Provided via Windows 10 installation
22.214.171.12463 / 15.40.5063 (2018-10-29) - sp94594.exe [latest official HP 850 G1 Driver]
WLAN Adapter (Intel N7260)
Note: The device has 2x2 antennas (see here which speed you can get) and is discontinued from Intel on October 2016
LAN Adapter (Intel I217-LM)
Intel Rapid Storage Technology (RST) / Intel 8 Series/C220 Chipset Family SATA AHCI Controller
10.0.18362.1 (2006-06-21) - Provided via Windows 10 installation
126.96.36.1996 (February 21, 2018) - sp85490.exe -> Seamed to be pullled also down from the Intel website, maybe stability issues?
Mobile Broadband (HP lt4112 Gobi 4G Module)
6.14.4316.0202 (Oct 8, 2015) - sp73219.exe [latest official HP 850 G1 Driver]
Note: If not used, this device can be fully disabled in the bios!
Webcam (HP 720p HD Webcam)
10.0.14393.11237 (2016-11-29) - Provided via Windows 10 installation
10.0.18362.20115 (2019-09-19) - ?
Note: Looks like an Realtek device
IDT High-Definition (HD) Audio (IDT 92HD91 Chip)
10.0.18362.356 (2019-09-04) - Provided via Windows 10 installation
No driver for Win10 found! Use the one proved by the OS.
Synaptics Touchpad / mouse
188.8.131.52 (2017-08-16) - Provided via Windows 10 installation
184.108.40.206 (09.05.2019) - ? -> Known to have stability issues
Synaptics / Validity FingerPrint Sensors (WBF)
4.5.307.0 (2015-05-27) - Provided via Windows 10 installation
Note: Type seamed to be a VFS495?
HP Wireless Button
220.127.116.11 (2018-05-10) - Provided via Windows 10 installation
Intel Management Engine
18.104.22.1682 (2015-10-08) - Provided via Windows 10 installation
22.214.171.1243 (February 03, 2016) - SP74763.exe
126.96.36.1995 (12. Mai 2017) - sp79059.exe [latest official HP 850 G1 Driver]
188.8.131.527 (19.11.2017) - ?
Intel Chipset (Intel Series 8)
10.1.1.17 (2018-08-21?) - Provided via Windows 10 installation
10.1.18 (11/28/2019) - chipset-10.1.18228.8176-public-mup.zip -> known to be not working!
Note: Could be an QM87 Chipset
Realtek USB and PCIe Media Card Reader
10.0.17134.21306 (2018-08-06) - Provided via Windows 10 installation
HP Mobile Data Protection Sensor / HP 3D DriveGuard
184.108.40.206 (28.06.2019) - ?
220.127.116.11 (2019-07-19) - Provided via Windows 10 installation
Bluetooth (Intel Wireless 7260 Family)
Note: Can be fully disabled in the bios!
The device can hold up to two storage drives. One must be connected to the M.2 interface (only one SATA-2-SSD is supported here and no NVMe-SSD!) while the other one can be an 2.5 SATA-2-SSD or SATA-2-HDD. As SATA-3 is downgrade compatible with SATA-2, you can also use SATA-3 devices (but only with the speed from SATA-2). Known devices are:
- SanDisk X210 SSD 512GB, 2,5 inch, SATA III, MLC (SD6SB2M-512G-100X210)
- Transcend MTS400 SSD 256GB, M.2, SATA III, MLC (TS256GMTS400)
If your devices comes with an Intel Dual Band Wireless-N 7260NB you do not have the option to use Bluetooth as the card do not offer that. Therefore the function to enable or disable Bluetooth is not present in the bios. To get a build in Bluetooth function, you need to replace the WLAN card as explained below.
The latest WLAN standard which can be used officially is AC (from 2014) you require a Intel Dual Band Wireless-AC 7260 802.11 ac 2x2 WiFi + BT 4.0 WLAN module. It should have the entry SPS: 710661-001 printed on the sticker! The HP Elitebook 850 G1 comes with 2x2 antennas.
DDR3L SDRAM (1600 MHz)
Two SODIMM slots supporting dual-channel memory
4 GB and 8 GB SODIMMs
Maximum Upgradeable to 16384 MB with optional 8192 MB SODIMMs in slots 1 and 2
The HP EliteBook 850 G1 supports UEFI. To change from the Bios (Legacy) to UEFI perform the following steps:
1.) Change your Windows 10 OS as explained here
2.) At the HP startup screen, hit "ESC" for the "Startup Menu", "F10" for "BIOS Setup"
3.) in "System Configuration" tab, "Boot Options", change "Boot Mode" from "Legacy" to "UEFI Hybrid (With CSM)" for Windows 7 64 bit or even better to "Native UEFI (without CSM)" which is used for Windows 8 64 bit and higher.
The HP EliteBook 850 G1 has a build in CPU (soldered on the main board) and you couldn´t replace that without replacing the whole main board. The highest CPU the model supports is the the i7-4600U (which has 2 cores and 4 threads with 2,10 Ghz).
It you have something to update to the list, feel free to leave a comment, so we can collect all the info`s.