HP/Compaq :: DV2745se BIOS Recovery
Aug 1, 2009
I had to upgrade my BIOS to the latest one but I found out that I was viewing a different model. Now when I bootup my laptop, all I see is a black screen with a flashing white line.
How can I recover from this error? I've been trying out several "Crisis Recovery Methods" but they don't work. I've used all key combos for boot-block but only Winkey+B makes three beeps. Maybe I'm doing something wrong? I put the right BIOS.wph in there too. I also did a CMOS reset and nothing happened. I bought a $41.99 external usb floppy drive because of this!
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Aug 14, 2009
I've been following the thread below, but so far have not found the key to recovering from a failed BIOS update on my dv6500t laptop:
CQ45- Insyde BIOS RECOVERY using a USB THUMBDRIVE
I can press Windows-B upon bootup and I hear a single beep followed by the USB floppy spinning up briefly. Note that if I turn on the computer without pressing those keys there is no activity or sound, so I think I'm on the right path towards a BIOS recovery.
The problem is (I believe), I don't know what filename the recovery process is looking for.
I've tried: BIOS.BIN, BIOS.ROM, BIOS.WPF
Also: 30CC.WPH, 30CC.BIN, 30CC.ROM, as well as 30CCF58.WPH.
I've tried this process with a USB flash drive and an SD card, but only the USB floppy drive gives me the feedback that file activity is actually happening (this means that I don't have enough disk space to try 50 copies of the same file with different name combinations).
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Jan 19, 2015
My netbook is asking for Current Password which i don't have...
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Feb 16, 2011
Customer's laptop has a long-ago-forgotten BIOS password, and I'd like to update it.  It spits out "System Disable" key:  68322309.
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Sep 26, 2013
I have a presario cq62 and access to my bios is disabled my code is 56773307
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Dec 20, 2014
i have one compaq mini 110 CNU9243ZWY
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Sep 3, 2014
rest the password bios the cod erreur is cnu0140966
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Oct 2, 2014
I have an COMPAQ PRESARIO CQ61 and suddenly is asking me for the admin bios passwordAfter 3 failure trials, it shows a code "76317137".
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Sep 16, 2014
i´M triyng acessing HP Compaq mini 110c and BIOS Password after tree attempts answers with error
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CNU9236P6P !
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How to surpass this ?
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Oct 13, 2014
get bios password Compaq mini 110c-1020sl, CNU9271R2V.
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Jan 3, 2015
System disabled after 3 tries, it keeps showing 68235122
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Jun 26, 2014
I have a Compaq Presario CQ57-339WM and it won't boot.I tried to restore it, but I can't get into the bios to let it boot from CD.It says system disabled 59088611  after 3 failed attempts.
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Sep 10, 2014
Bios password not working- system disabled code 70724054
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Oct 3, 2014
reset BIOS admin password on my HP Pavilion tx2500 - I didn't use it for more than one year so the password is obviously forgotten. After 3 invalid attempts it displays "System disable Key: 72015992".
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Aug 21, 2014
The uefi bios recovery does not work on my computer nether has the .exe files that are bios... I would like to try flashing the BIOS but don't know where to go...
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Oct 21, 2014
I forgot my passwords. I need the BIOS password or reset. My computer es HP Probook 4530s ...
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Jan 28, 2015
I changed my HP to boot with legacy CSM, but I couldn't boot from the Windows 7 boot disc. The laptop was shipped with Windows 8 configured for UEFI boot before my change.  The screen after boot is blank and now I can't even get to the bios menu.Â
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I have tried a Windows 8 USB recovery drive, but the computer doesn't seem to try to boot from flash, even with the hard drive disconnected and the CD tray open.Â
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I watched a video of a man disassembling an HP Pavilion completely down to the base plate, but I did not see a back-up or RTC battery anywhere in the computer. If I could find the bios back-up battery for removal or reset the bios somehow with the hardware, i would do that. I waited for 4 hours without the main battery attached without any change. At this point I don't know if this model Pavilion even has backup battery. How to reset the bios to default UEFI setting without a bios menu? Note that pushing F2/F8/F9/F10/F11 and a whole bunch of other keys does not bring up the bios menu at boot time (like it did when it was in UEFI mode).
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My next steps are to use the HP Recovery Media application on a 2nd computer to create 6 Window 8 DVDs and see if these will boot from the CD. If that doesn't work, I'll contact HP support and see if they can send me a custom recovery disc.Â
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It seems strange to me that I can't even get to a bios menu in legacy mode. Is this normal? I suspect that my configuration change corrupted something and no booting will work any more. If booting from disc doesn't work, I think I'm stuck with trying to drain whatever back-up power source keeps the bios in-state, however long that is.
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Dec 27, 2014
How to clear Administrator password after 3 times wrong password I got system disable message 85460227
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Aug 30, 2009
I’ve just done a clean install of my Dell Vostro -- reinstalling vista and removing the recovery partition in the process. Outcome = a ‘cleaner’ machine with none of the preinstalled bloatware/c**p from Dell. (first time I’ve done anything like this, but followed a brill guide in the Dell section of this forum ).
I’m about to tackle my Mums Compaq Presario C310EA. The aim is to remove all the rubbish she has accumulated over the years, incl any spyware/ adware she may have, and generally have a bit of a clean sweep…. hopefully resulting in a faster laptop. I’m backing up her data, and moving some of my Dad’s stuff somewhere else.
Basically I want to clean up as much as poss, but unfortunately she has no xp disk, just the recovery disks (cds) she burned when she first got the laptop.
As she has no xp disk I guess the best I can hope for is to reset the laptop to the factory settings (?) .. not ideal, but I don’t think the (factory set) bloatware is too much of an issue for her – she’s not a heavy user.
Should I use the recovery partition for this, or do I need to use the cds she burned? .
I’d like to know the best approach – and can’t seem to find a set of instructions to follow.
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Jun 25, 2009
i had got a hdx 16 with home premium 64bit...due to sme reasons my OS got corrupted b4 i could take my recovery disks....so now i hav installed windows vista that i had bought for my desktop on my hdx 16.but the recovery partition is as it is.is there any way by which i can take my recovery disks from that partition..
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May 12, 2009
Acer 9300
I was trying to play a video and the computer froze. I waited several minutes and nothing responded. I finally had to hold the power button to shut it down. Now it will not go to the bios screen and the screen shows a bit of brightening but does not go anywhere.
I've googled for a solution and there are several pieces of possible solutions I have found but as is too often the case, there were no follow up answers to make the posts helpful or, the answers came tantalizingly close like the following for a similar problem with an acer aspire 5315:
"1. first download the attached zip file and unzip it.
2. burn the extracted disc image to disc using nero.
3. place the newly burned cd into your laptop cd drive tray
4. remove the battery and power cord.
5. press and hold FN and ESC keep pressed and insert power cord and then press the power on button
6. your notebook should power up but without any display.
7. you should see the cd/dvd drive activity light blinking as it reads from the recovery disc.
8. if all is well your laptop should power itself down after about 2 minutes
9. once it has powered down remove the power cord and wait about five minutes.
10. finally insert your battery and power cord and power up your laptop in the normal way............
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Sep 19, 2009
I bricked my Aspire 4810 TG while downgrading the bios. Does anyone know how to get the notebook booting again?
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Sep 24, 2014
How to get into the Bios of a Pavillion G6 laptop that has got a password protecting it. After 3 attempts I get the system disabled, it gave me a code 71690505 ....
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Oct 6, 2014
I have an HP G42 laptop that I forgot the power on password to. Is it possible to recover or remove the password?
After 3 tries with the wrong password, it says System Disabled - Key: 56164841
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Jan 31, 2015
My Windows 8 install got corrupted and will not boot. So I just want to get the laptop to boot onto the recovery DVD or any DVD so I can rebuild it.
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No matter how hard I press F2 nothing happens and I keep getting "No Bootable Device, Hit any key." This just takes me into an empty boot menu! I have tried with what I know to be bootable CD/DVD in the internal and have used external DVD drives.
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I just want to get into the setup to boot onto the DVD drive.
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Dec 18, 2011
I have an HP 520 laptop. My kid sister set the Bios Password and she has forgotten the password. Now, I am unable to access Bios.
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Sep 6, 2009
i turned my new travelmate 8471 into a brick by flashing it with the wrong bios (shame on me ) - now i am looking for a way to bring it to life again - any suggestions? Its really bad that it happened 3 days after i got it and i have no idea because these models are quite new to the market - acer support also didnt give feedback yet -
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Dec 8, 2008
I flashed the BIOS using the windows software beyond my better judgement and the install crashed. I waited 30 minutes and the system never started to flash again. I have tried a few ideas to get the BIOS to restore. I tried the FN-ESC method and the usb-Floppy tries to install the system but i am still not able to get the OLD BIOS restore.
I have the BIOS backed up on the systems hard drive but I am gonna have to remove the drive and get the backup BIOS and try to install it on the recovery disc. What are some ways to restore the BIOS the system is also out of warrenty and I payed acer support to tell me that are not able to help me.
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Sep 21, 2007
Due to some mulfunctioning of my TravelMate it cannot recognize the BIOS administrator passord anymore.
how to reset it?
just working on the CMOS battery doesnt work for that password (only resets the BIOS user password).
is there any jumper or contact on the motherboard to reset?
Can I flash a BIOS and get rid of it?
Where can I find a copy of the BIOS? it seems that ACER Bios utility works under windows and requires to input the BIOS password for resetting.
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Sep 4, 2014
I have a HP envy Dv4.
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Out of no where it start asking to "Enter Administrator Password or Power on Password"
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The system disabled code I get is 51149194...
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