HP Envy 6 - Boot Loop following Bios Update

Hi All,
Having spent the better half of tonight trying to resolve an issue whereby my HP Envy 6 1232SA was stuck in a loop after what I thought was a failed bios update.
I received a message saying an UPDATE for my bios was available. I installed the update using the SP available from the download site. The laptop started the reboot process, powered down and wouldn't come back up. I was getting the dreaded BLACK SCREEN that everyone is talking about.
I did all the ususal things that people here were advising. That being trying to load into zombie mode via the WINBUTTON + B, loading a recovery bios onto a bootable flash drive, using the HP UEFI TOOLS and such. None of this was working. It was clear that the laptop sounded as though it was constantly rebooting. You could hear the CD make a whirring noise for a second, stop, and retry.
When using the WINBUTTON + B I was getting a single flashing light on the caps lock screen. I had been informed that this meant that there was a CPU problem and that the machine would need to be sent back for repair.
I am a Desktop support technician with 20 years of experience. This would have been the first time I had heard of a bios update damaging the CPU.
I did a little more digging such as removing battery and cmos battery and trying to get laptop to power, this was also not working. What I tried next resolved the problem for me.....
I had installed a SSD into the machine. I removed the SSD and tried booting the machine with no HDD in the drive, the machine immediately powered on and completed the flash process. After the flash process the machine complained of no HDD (as I hadn't yet reinstalled it). After it was reinstalled, the PC booted fine into windows.
So to those who are having the Black Screen issue after a bios update, you could possibly try removing your HDD and booting the laptop with no HDD to see if that forces the flash to finish.
I have absolutely no idea why a bios update wouldn't work due to an SSD being in the drive, but meh..... This fixed the issue for me.
Hopefully this will help someone out.

@Alijc2014 ,
Hello and thank you for posting on the HP support forum. Here is a link to the HP blink and beep codes.
HP Notebook PCs - Troubleshooting LED Blink Codes or Beep Codes During Startup or Boot
Check this link and take a look at what your blink code is stating.
You may want to check this out as well.
BIOS Beep Codes
HP PC Hardware Diagnostics
Testing a Hard Disk from the BIOS
Let me know what you come up with.
Now if it comes down to a hardware issue you will have to deal with the country of purchase for repair options. If it was bought in the UK you will have to send it through to the UK repair system you will not be able to do this in the US.
Thank you again for posting and have a great day.
Please click the "Thumbs Up" on the bottom right of this post to say thank you if you appreciate the support I provide!
Also be sure to mark my post as “Accept as Solution" if you feel my post solved your issue, it will help others who face the same challenge find the same solution.
D5GR
I work on behalf of HP

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Quote from: ScunnyUK on 01-February-11, 16:08:59
Hi,
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Welcome to Lenovo Community Forums!
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Downside will be Deletion of current files and documents and back up will be required.
Regards
Solid Cruver
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Moderator Note; subject edited; system type added

Hi,
Welcome to Lenovo Community Forums!
I'm really sorry to hear that your Lenovo T420s does not boot properly after a BIOS update.
I would suggest you to disable Intel AMT in BIOS and set the security chip, TPM, as active in BIOS and check if the system boot properly.
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Remove AC and System battery.
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If you find a post helpful and it answers your question, please mark it as an "Accepted Solution"! This will help the rest of the Community with similar issues identify the verified solution and benefit from it.
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Solved!
Go to Solution.

StanFan wrote:
I bought windows 8 .1 machine from factory. Then I had local shop install 8.1 on larger ssd. I just performed latest bios update and now machine will not boot. I am sure this is uefi related but I am not knowledgable in that area. The boot parameter returned to me by the shop was "legacy only" and secure boot was disabled.
Since doing the BIOS update are the settings still as you noted above? You also didn't mention which SSD is now installed in the system.
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Andy ______________________________________
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Satellite A660 - USB boot problems after BIOS update

Hello,
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I too am having problems with my A660 since upgrading to 1.80 bios - the HDD/SD utility, the pc health monitor and half the other toshiba utilities no longer work because they can't recognize the bios and actually tell me this... I get an error message telling me ''can't get bios type''...
On top of this I get the boot problem as well - I have to unplug half of my USB devices to get the laptop to boot properly...
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Troubles in dual boot system after BIOS update

Hello:
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1. I had for one year Linux Fedora 10 and Vista Ultimate working in dual boot with Grub, no problems at all.
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Strange. I don't have a clue, but I have seen posts here that recoverd from strangeness after a BIOS update by unplugging from the AC mains, removing the battery, and then pressing the power button several times. The last time, hold the button for 10 seconds or so.
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Z.
The large print: please read the Community Participation Rules before posting. Include as much information as possible: model, machine type, operating system, and a descriptive subject line. Do not include personal information: serial number, telephone number, email address, etc. The fine print: I do not work for, nor do I speak for Lenovo. Unsolicited private messages will be ignored. ... GeezBlog
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Satellite P100 - Boot Failure after BIOS update

Hi,
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Hi
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