HP t640 Support and Manuals
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HP t640 Thin Client | Highly Secure, Extremely Versatile
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HP t640 Thin Client - Highly Secure, Extremely Versatile. | HP Thin Clients | HP
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Popular HP t640 Manual Pages
User Guide - Page 2
... of the computer, please contact your product. ISP fees may apply and additional requirements may require upgraded and/or separately purchased hardware, drivers, software or BIOS update to most models. Systems may apply over time for HP products and services are trademarks or registered trademarks owned by the terms of Linus Torvalds in the express warranty...
User Guide - Page 5
... replacing the battery ...18 Upgrading system memory ...20 Removing and installing a memory module 21 Replacing a WLAN card ...23
3 Troubleshooting ...25 Computer Setup (F10) Utility, BIOS Settings ...25 Computer Setup (F10) Utility ...25 Using Computer Setup (F10) Utility 26 Computer Setup-File ...27 Computer Setup-Storage 28 Computer Setup-Security 29 Computer Setup-Power 30 Computer Setup...
User Guide - Page 17
... HP-supported orientation guidelines to the bottom of the unit. You can reach temperatures that your thin client functions properly. Setup 9 Supported orientation and placement
CAUTION: If the thin client ... client to a vertical flat surface with a mounting bracket.
● Vertical Minus: This orientation would typically be turned off and allowed to cool for setting the thin client ...
User Guide - Page 33
3 Troubleshooting
Computer Setup (F10) Utility, BIOS Settings
Computer Setup (F10) Utility
Use Computer Setup (F10) Utility to do the following tasks: ● Change factory default settings. ● Set the system date and time. ● Set, view, change, or verify the system configuration, including settings for processor, graphics,
memory, audio, storage, communications, and input devices. &#...
User Guide - Page 35
... Type ● Processor Speed ● Processor stepping ● Cache Size (L1/L2/L3) ● Processor Stepping ● Memory Speed Channel A and Channel B ● FIRMWARE ● System BIOS ● USB Type C PD FW ● Wake from a USB recovery key.
Computer Setup-File
NOTE: Support for specific Computer Setup options can vary, depending on the hardware configuration.
User Guide - Page 37
...Power-On Password
Allows you to set and enable a setup (administrator) password. USB Port 2 - Table 3-4 Computer Setup-Security
Option
Description
Setup Password
Allows you must change Computer Setup options, flash the ROM, and make changes to set and enable a power-on F9 & F12-Default is enabled. Computer Setup-Security
NOTE: Support for specific Computer Setup options can...
User Guide - Page 38
... clear the Secure Boot Key.
● Key ownership (HP keys or Customer keys). Default is run in user mode. Secure Boot (Enable or Disable)-When the Legacy Support set of the processor. Secure boot is possible only if system is Enabled.
30 Chapter 3 Troubleshooting Table 3-4 Computer Setup-Security (continued)
Option
Description
Network Boot
Enables or disables...
User Guide - Page 39
...4 GB: 256 MB
Computer Setup (F10) Utility, BIOS Settings 31 Default is finished. Computer Setup-Advanced
NOTE: Support for use the suspend/sleep ...installed. Table 3-6 Computer Setup-Advanced
Option
Heading
Power-On Options
Allows you to set this option as follows:
● Power off-Causes the computer to remain turned off power to the computer using the switch on some models...
User Guide - Page 41
... Support
Enable
Disable (Note: The default value varies, depending on the OS)
Secure Boot
Disable
Enable (Note: The default value varies, depending on the OS)
Clear Secure Boot Keys
Don't Clear
Clear
Key Ownership
HP Keys
Custom Keys
Fast Boot
Disable
Enable (Note: The default value varies, depending on the OS)
Setup Browse Mode
Enable
Disable
Password...
User Guide - Page 43
For more information about HP Device Manager File and Registry templates, review the HP Device Manager User Guide found at www.hp.com/go/hpdm. The BIOS executable file is set the toolless update option in which BIOS versions may be used for recovery. Linux® BIOS flashing
All BIOS flashing under the Windows environment. You can use...
User Guide - Page 44
... will have an error message. NOTE: Network lights are visible when the connector is displayed at the appropriate time, you pressed esc, press F10 to Advanced > Device Options.
36 Chapter 3 Troubleshooting
Turn on your computer and the latest firmware version available. Updating the firmware for Wake-On-Specific-Key
You may need to update the firmware to be...
User Guide - Page 53
.... Therefore, even when the thin client is not connected to an AC outlet, some of 10 years) for specific countries and regions (continued)
Country/region
Accredited agency
Applicable note number
2. Manufacturers of flash devices usually specify a period of time (on the website to factory default settings.
1.
Follow the instructions on the order of the RAM...
User Guide - Page 54
... memory (OTP)
TPM
7206 bytes non-volatile Main
memory
46 Chapter 3 Troubleshooting Replace the hood and power cord and turn off the computer and remove the ...Defaults and Exit.
13. This action sets the default settings back to the operating system.
9.
To clear the Setup or Power-On passwords, if set, and clear any other user-configurable, nonvolatile memory settings are supported...
User Guide - Page 57
... Hardware Diagnostics Windows
To install HP PC Hardware Diagnostics Windows, follow these steps: ▲ Navigate to scan the QR code that displays on -screen instructions. The tool runs outside the operating system so that requires hardware replacement, a 24-digit Failure ID code is displayed. 2. For assistance in solving the problem: ▲ Select Get Support, and then use a Windows...
User Guide - Page 69
... service repair 54 setup 3 shipping preparation 54 specifications
hardware 47 thin client 47 stand, installing 3 standards and legislation, accessibility 57 Statement of volatility 45 Storage menu 28 storage module, removing 54 supported orientation 9
T troubleshooting 25, 40
U unsupported placements 11 updating a BIOS 35 upgrading system memory 20 USB flash drive, removing 54 using HP ThinUpdate...
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