How to restore BIOS Presario CQ56?

Laptop: Presario CQ56 (CQ56-172SR), Windows 7.
Problem: while updating the BIOS the laptop crashed (freeze). Before the update was BIOS version F.07, updated to version F.15. Update file downloaded from the official site. Update file was run under Windows 7. The laptop was working all night and not switched off. Update was not completed. The laptop was turned off by disconnecting the battery.
Now the laptop is switched on but the screen is black. Burning power LED. When connecting USB flash drive, LED lights at regular intervals.
Tell me, please, how I can restore the BIOS?
Sorry for the quality of the English language :-)

Hi
There are 3 different ways to recover an earlier version of the BIOS
1)   From HP_Tools Partition
Whenever you upgrade the BIOS on your notebook, a copy of the previous version is stored in the HP TOOLS partition of your hard disk drive.
Plug the notebook into an AC adapter.
Press the Power button while holding the Windows key and the B key.
The emergency recovery feature replaces the BIOS with the last known good version. The computer reboots automatically when the process is completed successfully.
Note: If the HP_Tools partition has been deleted by customer then the above process will be inaccessible or the system will hang if the above process is tried.
2)   From UEFI Environment Menu
Press the Power Button and then tap the Esc key to enter the UEFI environment menu. In the menu you should see a BIOS management option. Select it and then select Rollback to Previous BIOS and hit enter.
3)   Recovering the BIOS using an External Storage Device
If the HP_TOOLS volume on your HDD has been deleted, a USB key with an HP_TOOLS volume can be used as an alternative. The key can be created manually or by using the HP UEFI BIOS Update SoftPAQ or the new HP UEFI Support Environment SoftPAQ and selecting the Create a USB key option. The USB key does not have to be bootable. However, this assumes the boot block is not corrupted in which case a repair is required.
To recover the BIOS on your notebook using the USB key:
Plug the notebook into an AC adapter.
Insert the USB key with HP_Tools installed into an available USB port.
Press the Power button while holding the Windows key and the B key.
The emergency recovery feature replaces the BIOS with the version on the USB key. The computer reboots automatically when the process is completed successfully.
You are now able to boot into the BIOS screens or Windows operating system per usual after recovering the BIOS.
Let us know how it goes!
"I work for HP."
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Manjunath

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1. Product Name and Number
Compaq Presario CQ56
2. Operating System installed (if applicable)
Windows 7
3. Error message (if any)
from error log:
Hard Disk (result-failed) id# UAMBXQ-5H06AK-XD003F-618U03 HARD DISK 1
Start-up (result-failed) id# UAMBXQ-5H60AK-XD003F-40G403 MEMORY MODULE 2
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This question was solved.
View Solution.

Hello crossurmind.
What sorts of issues led up to the computer originally not booting? Were you getting a lot of blue screen errors?
The two items you posted from the error log seem to indicate that it is having trouble reading the hard drive and possibly the memory. After trying the restore it seems that it failed causing the boot section of the install to "not be found."
I think you should begin by using the built in tests for the hard drive and memory located in the BIOS. Follow this document to perform the hard drive test. All you'll have to do is repeat the process and select "memory" in order to perform the memory test. Make sure to post the result of both of these tests.
I will await the results; have a great day!
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