mot de passe de mise sous tension

Question

Hello,
I have a power-on password that I forgot on my Compaq Armada 1700. I removed the battery as well as the CMOS battery to clear this password. I reconnected the CMOS battery and a system message 162 appears, but the password persists. Is there another solution?

samir · Accepted Answer

I have the same problem with a COMPAC ARMADA E500 laptop, even worse, the keyboard is locked, so there is no way to communicate with this laptop, because when I try to work with a boot disk or a CD-ROM, it displays the infamous message 'POWER-ON PASSWORD'.
Thank you for providing the solution.

messa · Answer

I have the same problem with an Armada 500 E.

HAVOC · Answer

You need to change the jumper (jumper) that clears the CMOS memory; use your PC manual to find it easily. If it cannot be found, you can use the manufacturer's code, but to get that you need to contact them or reach out to the retailer.
It is also possible to use a very small resistor to short-circuit the battery, but this technique is very dangerous for your equipment and there is a risk of damaging the PC.

tfk · Answer

little personal contribution: I don't know if this can help you, but on an Armada 1650 (166mmx inside!), I had to:
start the computer without the battery, on power supply..!
boot in safe mode, go to the win95 passwords, go to the compaq tab, change the password and miracle, it works... I can't explain why (and the laptop is not great...)
I had tried the wild clear cmos by unplugging the battery: nothing = error 162, keyboard locked
the compaq boot disk: nothing, still the old password.
this worked.
mystery informaticum is.
good luck!
tfk!

Gryzor · Answer

Well, a little help for those stuck with this damn Power On Password! (here the example is for a Compaq Armada M700)
!!!Disconnect all power sources well in advance (battery and cable)!!!

1) It's usually unnecessary to disassemble everything; just remove the integrated modem card! In fact, the CMOS battery is located at the bottom right (in the corner) and is connected by a small cable (red and black double) to the rest of the motherboard!! (note that it is annoying to take off and put back on)
2) After removing this small cable, you need to wait a good ten minutes (having removed the battery and power supply well beforehand)
3) Reconnect the double cable (the red and black to the white end) after this manipulation, reconnect the battery or power supply directly and restart the computer!
4) The BIOS is flashed; it will invite you to change certain options, like the language or other settings, it should normally detect the RAM, and after checking in the BIOS password (where, of course, the passwords will have disappeared), the restart will proceed as it was when you left it before!

Now I've also heard about moving the jumper, but the Compaq M700 motherboard had none; I stumbled upon the battery by chance after taking everything apart!
From what I've seen online, there might be an EPPROM to change on the motherboard, but honestly, I'm not good at this kind of thing, especially since you would need to reinstall the EPROMS coding with the equipment and the source code too!

So there you go, well since 2003 I think things must have evolved, but let's be honest, it's always nice to be able to help each other out!

pac · Answer

Hello;

it's the same thing for me but I have an (HP Compaq cn6220), power-on password,
do I have to follow the same method as for the Compaq Armada M700???!!! or is there another way?

thank you in advance..

sophiane84 · Answer

Good evening, how to disable the password on power, I lost my password, I have an HP Compaq 6220 NC laptop

As soon as I turn on my PC, it asks me for a password on power, how can I remove the password, thank you.

david · Answer

I have the same problem with the Armada E500; we need to find a solution. I can't do anything; the keyboard and mouse are locked. Don't hesitate to contact me. Thank you.

david · Answer

Could you be more specific about the placement of the jumper? I have an Armada E500. Thank you. You are very helpful. Thanks.

seb35 · Answer

Good evening, I have an Armada 7770 and a 7360, and I have never been able to access the BIOS.

However, if there is a power-on password, start the PC on AC power without the battery and without the backup battery.

I locked my PC with the Compaq security management utility, the problem I had was that there was no keyboard to type the password at startup.

Seb

oldbrazil · Answer

My new Compaq 6820s was stuck with the damn "power-on" password. Of course, I had forgotten it. I tried all the usual passwords, plus a few variations... nothing worked. I called HP: the hardware is still under warranty (of course, after 2 months) the guy tells me that it can't be done over the phone, and that he'll give me a quote for sending a technician (I'm still waiting for the quote 24 hours later). So, I started to dismantle the device to access the RTC CMOS battery.  I first removed the peripherals meant to be easily taken out: HDD, RAM, DVD. I then removed ALL the screws. Nothing budged. I tried to pry off the cover with a knife: it gave way. The clips released one after the other and didn’t break: phew! But I slightly scratched the plastic around. Well, accessing the motherboard or the battery is difficult. I removed EVERYTHING Keyboard, screen, Wi-Fi antenna, power button... Another multitude of screws (all small!) to remove. I thought I would never be able to put the puzzle back together (I was right)  In the end, I only had the motherboard on its base, no more screws to remove, but it wouldn’t come off!! The processor and especially the battery are on the other side!! Horror and despair. I did manage to see the battery (not far from the Wi-Fi module). It is accessible. With a paperclip, I managed to make it fall... So I went to bed. 16 hours later, full of hope, I attacked the dismembered carcass again amid the tiny screws. As suggested on another forum, I plugged in the machine and turned it on (actually it turns on by itself). REM: I still haven’t put the CMOS battery back. Nothing happens: obviously, I removed the HP and the screen! I repeated the operation. Finally, I put the battery back (not super easy, as the motherboard is still fixed [how?] to the casing but with a little patience...) I reconnected the screen and turned the machine back on: nothing on the screen (oops ?!?) Well, all that’s left is to put everything back in place. It went well, except some screws didn’t end up in their place and the Wi-Fi antenna wires are resistant. In the end, I have some screws left. I must have forgotten some holes.  Alright, I turn it on. I hold my breath: text appears on the screen!! (so it works after all) then I get a message saying the date and time have disappeared. Normal. But the password? It too! The machine doesn’t ask me anything and starts Windows... HOORAY !!  Now I’m testing to see if I messed anything up during the assembly / disassembly. The keyboard has a slight bulge; I don’t know what that is. Everything seems fine.  Note: in the BIOS of my HP Compaq 6820s: there is an option "stringent security" that is not activated for me. Does anyone know what it’s for? It seems that if it’s activated, even removing the battery is useless...  Note: DELL keyboard keys are easier to remove and replace than those of HP Compaq.  Good luck to you!

santana77 · Answer

I have an HP Compaq 6820s, and I'm not sure what happened, but it's locked by a password in the BIOS. I've done everything: disassembled all the components, even the battery, I left it for a day and reassembled it but nothing happened; the HP is still stuck at BIOS.
Someone told me there's a circuit on the motherboard that retains the password. How can I find this circuit? Or how can I remove this password?
Thanks in advance.

oldbrazil · Answer

santana77, read my message again, especially the part

As suggested on another forum, I plug the power into the machine and turn it on (in fact, it turns on by itself). NOTE: I still haven't replaced the CMOS battery.

niko764 · Answer

Hello! I had the same issue with my HP dv5-1123ef. When I turned on my computer, a power-on password appeared on the screen.
So, I removed the battery as well as the coin cell, waited for 10 minutes, and then reassembled everything.
When I restarted my computer, everything started working normally again!!!!

Mot de passe de mise sous tension

14 answers

Issue with accents

Https://www.youtube.com/@topblazo

How to delete quarantine files in defender?

Unable to type the at-sign

Reinstallation of w11 impossible after pc crash...

Download impossible for visual petanque

Connect external dvd player to samsung tablet

Phone not receiving certain sms

Images from videos - retrieval

Chkdsk /f and sfc /scannow okay, but startup impossible.