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This document contains information on what the BIOS program is and how to use the BIOS Setup utility. Turn on the computer and immediately press the F10 key repeatedly until a BIOS Setup screen opens. The addresses of devices (hard disk drives, for example), that are attached to the computer. The information stored by the BIOS Setup utility is essential for correct computer operation. Immediately press the F10 key if your computer was built in 2006 or later (came with Vista or Windows 7). Immediately press the F10 key repeatedly, about once every second, until the Computer Setup program opens.
Immediately press the Escape key repeatedly, about once every second, until the Startup menu opens. The default settings are restored, the BIOS setup utility closes, and the computer boots into Windows.
Displays system information, sets date and time, and saves or discards changes to Setup program options.
Displays storage device information, configures and tests the storage devices, and selects boot options.
Use the information in the following sections to modify the BIOS settings for the computer. Primary Video Adapter (The graphics adapter type used at startup - set to the slot-type if installing a video card).
Each screen in the BIOS Setup program shows different options for modifying the system configuration.
Apply Defaults and Exit - Select this to return the computer to the default settings and exit from Setup. Displays the total amount of RAM in the computer, the memory type and speed, and the amount of memory installed in each socket.
Device Configuration - Select this to view device information and configure the storage devices.
Use the Device Configuration to view the device information and change the emulation type for the hard disk drive and the optical drive. In the Device settings screen, the following information is available: Size, Model, Firmware version, Serial Number, and Emulation Type.
This document includes the steps for finding, downloading, and updating the BIOS or ROM (Rompaq) outside the Windows operating system.
If the computer does not have an Internet connection, use another computer with an Internet connection to download the update and save it to either a USB drive or a CD-ROM.
Restart the computer, and then enter the BIOS screen by repeatedly pressing either the F1 or the F10 key at the first screen. To save the BIOS settings and exit the BIOS setup screen, press F10, select Yes, and then press the Enter key. Establish an Internet connection, and then open the HP Support and Drivers Web site (in English) in a Web browser.
If the BIOS heading is not listed, HP does not have a BIOS update posted for the computer at this time.


If there are several BIOS updates available for different motherboard names, find out what motherboard is installed in the computer. If the BIOS version number on the HP Web site is less than or equal to the BIOS revision number currently installed on the computer, the BIOS is up-to-date. If the BIOS version number on the HP Web site is greater than the BIOS revision number currently installed on the computer, click Download, and then save the BIOS update. Press the F5 key to load the default BIOS configuration, select YES by using the arrow keys, and then press Enter.
Verify the BIOS revision number installed on the computer matches the BIOS version number from the HP Web site.
This document pertains to all HP notebook PCs including notebooks with HP SureStart architecture.
The computer stops at a black or blank screen and it will not enter any of the Boot Options, such as: the BIOS Setup Utility, Hardware Diagnostic Tools, System Recovery screens, etc. The computer does not boot and the Caps Lock or Num Lock LED blinks twice, or the computer emits beep codes. The computer turns on (for example, the fan might spin), but there is no video on the internal display or external monitor, and it does not boot into the operating system.
If the computer shows any of the previous symptoms and it does not boot up, use this document to restore the BIOS. Many HP notebook computers have an HP BIOS Restore tool to recover the BIOS from an earlier version and restore basic functionality. When you upgrade the BIOS on your notebook, a copy of the previous BIOS version is stored on your hard drive.
If the hard disk partition is deleted or inaccessible, follow the steps in the Recovering the notebook BIOS using an external storage device section.
With the computer off, press and hold the Windows logo key and the B key at the same time.
Still pressing those keys, press and hold down the Power button on the computer for 2 to 3 seconds, and then release the Power button but continue to hold the Windows and B keys until the BIOS update screen is displayed or until you hear a beeping sound (usually 8 beeps). The power LED light remains on, and the screen remains blank for about 40 seconds before anything appears on the display.
If your computer is able to boot into Windows, update the BIOS to the latest version using the standard BIOS update procedure. When the computer restarts, a message similar to the following displays: A system BIOS Recovery has occurred.
Press the Enter key to continue immediately or to allow the computer to reboot automatically.
After restoring the BIOS, if the computer repeatedly displays a message that the BIOS has been recovered, perform the steps in the HP support document: HP BIOS Application Selected is Corrupt or Missing. After restarting, Windows might display a message stating that the computer was improperly shut down or that a boot problem was detected.
If the HP_TOOLS volume (Windows 7) or UEFI partition (Windows 10, 8) on your hard drive has been deleted, you can use a USB drive with an HP_TOOLS volume as an alternative to restore your notebook BIOS.
If your computer does not boot into the operating system, use another computer with an Internet connection to download the BIOS and save it to a USB drive.
For help finding your notebook model number, refer to the HP support document How Do I Find My Model Number or Product Number?.


Select the operating system (such as Microsoft Windows 8.1) of the computer that is not booting, and then click Update. If multiple BIOS files are available, select the most recently released file, or select the one you need (if a specific BIOS file was recommended for restoring your computer). If the HP BIOS Update screen does not display after repeated attempts, your computer might not support this function, or there is a hardware problem preventing the tool from opening.
After the BIOS is installed, a Continue Startup button displays and a restart timer counts down.
After installing the BIOS, if the computer does not boot into the operating system and repeatedly displays a message that the BIOS has been recovered, perform the steps the HP support document HP BIOS Application Selected is Corrupt or Missing.
After restarting, Windows might display a message stating that the computer shut down improperly or that a boot problem was detected. You are now able to enter the BIOS menu or boot into the Windows operating system after recovering the BIOS. This document does not define specific default BIOS settings because too many differences exist between computer models. Select the Channel Device to view the Channel Device submenu and the hard disk drive settings, such as cylinders, sectors, and capacity, and CD or DVD optical disc drive settings. Use the left and right arrow keys to adjust the time and date - the left arrow decreases the number and the right arrow increases it.
To do this, turn off the power to the computer, remove the side panel, and read the name printed on the motherboard.
This tool might or might not work in the event of BIOS corruption depending on many factors, but it is worth trying in the event the BIOS has become corrupted. Many HP notebook computers have an emergency BIOS recovery feature that allows you to recover and install the last known good version of the BIOS from the hard drive, as long as the hard drive remains functional.
Repeat steps 1 through 4 above, this time press and hold the power button down for between two to three seconds in step 4. Follow the steps in this section to use the HP System BIOS Update Utility to create a BIOS recovery drive. If you need help finding the product number on your computer that does not boot into the operating system, refer to How Do I Find My Model Number or Product Number?. When the message: The recovery flash drive was created successfully displays, click Finish.
The BIOS settings are stored in a chip on the motherboard CMOS (Complementary Metal Oxide Semiconductor) memory.
When done, press F10 to accept the changes, or press ESC to exit without saving the changes.
Then press F10 to accept the change or press ESC to cancel the changes and return to the previous menu.
This emergency recovery feature is separate from the BIOS and is designed to work in the event of a catastrophic BIOS failure. A battery on the motherboard keeps the settings from being lost when the system is turned off.



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