Question about AOpen 1555G Centrino Notebook, 15" LCD (AN555CE) PC Notebook

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Major problem when Doing System Restore on Aopen 1555

Ahad a bad dll file in Windows and had to run System Restore Disk for Aopen 1555.

Result is the computer won't start. Can't even get into Bios file as screen won't light. Hard drive light is on and the hard drive is making a small amount of repetative clicking noise noise. I suspect one of 2 things:

1) the hard drive has failed
2) the Restore Disk was re-installing something in the the bios and failed to do it properly which left a damaged bios.

Can anyone tell me whether one should be able to get into the bios without the hard drive being plugged in ? Any other suggestion would be welcome.

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  • JoeJog Jan 16, 2008

    Thanks for your comments. Problem is the screen doesn't light, just no response after turning on except for harddrive light (and weak hard drive sounds) so can't even get into the bios (despite holding delete button for bios access). Attached an external monitor, still no screen response. Bios was set to boot from CD drive but won't even get so far as to try to read the CD drive so can't try the linux trick. Seems like something bigger is wrong.

  • JoeJog Jan 17, 2008

    Tried resetting the bios as you suggested by disconnecting system battery and main battery. Didn't solve the problem though. Will check connection of all devices again. May try out suggestion for resetting bios described in this link

    Assumes 1557 has similar motherboard to 1555, not hopeful though. Your suggestions are much appreciated.

  • JoeJog Jan 17, 2008

    I forgot to mention that I have found the driver for the 1555 bios



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U have to be able to enter BIOS, without the drive (does not matter if it's missing or damaged !!! ). Try pressing the button to enter bios, from the moment u turn the computer on (even if the display aint led yet)
From my knoledge System Restore Disk's don't interfere with the BIOS !

If u're drive is making that noise for a few seconds - minutes, most probably it has faild !

U can try to boot up u're laptop with a "live cd" linux version and see if u can acces the drive .... if u can than reinstal u're OS.

Posted on Jan 16, 2008

  • Cisf Jan 16, 2008

    U can try to reset the BIOS maybe it's an error that occurs there! (or perhaps a device is not well mounted , a memory ..etc ...) If it does not work ... than go with it to a service ... sorry ...



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I strongly advise against fixing arccon.dll errors manually. Doing so could take several hours, do more harm than good, and end up not even resolving the underlying problem.
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\windows\system32\kdcom.dll Missing or corrupt Kernel debugger

Try tapping F8 at bootup to enter safe mode, read your manual to see if you have a recovery partition on your HDD. You didn't post the model so I have no clue.

If you can enter safe mode you need to try system restore, not last good know configuration.

If you see last know config on your screen, then you should also see safe mode.

So you need to run in safe mode, and run system restore, or run the recovery mode if you have a recovery partition on the HDD.

If none of these work, then you only have three options, go to, download the rescue disk, burn it to a CD and run it in DOS, this is before windows boots. Now if malware corrupted the DLL, Avira will kill it, but there is a chance it can't clean it and will destroy the files,DLL, and windows won't boot. So now you have to do below.

The other option is you need to download windows, what ever version you have, if you have win 7 home 32bit, then you have to download it, and burn it to a DVD. Then try a repair, if a repair does not work then you need to reinstall windows, and then install all the drivers like, (chipset, video, sound, lan, wifi)

This option, you can contact Acer and see if they have a recovery disk for you.

Good luck.

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Says windows root>\system32\hal.dll. is missing or corrupt, can't use laptop Please advise, regards Jason

some system on your windows has corrupted, it caused by a virus or bad disk
you need to restore your system to fix this issue
if your laptop build in windows xp and you have a restore disk just follow these steps
1. turn on your notebook
2.quickly press ctr and f11 simultaneously
3. click restore when "Dell PC restore" message appears confirm (it means you will lost all data in drive which contains your old operation system)
5.wait and click finish when the process of restore finish
if your laptop build in windows vista you can follow these steps
1. turn on your laptop
2. quickly press f8
3. when "Advance Boot Menu" message appears just click repair
4. select language and click next
5. log in and click ok
6. click dell factory restore and click next
7. click yes on the box "format hard drive and restore the system"
8. when the process finish click finish
if you don't have a restore disk build in your laptop you need a windows cd installer to reinstall your os

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Did system restore,then it wouldnt load uo firt said wininet.dll missing,i fixed that but now urmol.dllmissing,the usb not working or cd,says something loke rundal dave something not found,can you please...


I have read through your comments and it looks like your Operating System (OS) is corrupted.

You can use that XP installation CD Service Pack 1 to install a new copy of Windows XP, then later upgrade to service pack 2 or 3 depending on your choice.

How ever, the errors that have been developed in your OS could simply be fixed by upgrading your service pack, to service pack 3.
Follow this link to download service pack 3.

If it fails to install or if it fails ti fix the errors, you will have to make a new installation of Windows XP using the CD you have, then upgrade to Service pack 2 after the installation.

Follow this link to download service pack 2, which you will download and install after you have installed a new OS.

Now, to install Windows XP, follow the steps below that i have provided.
How ever, i would advise you to back up all your data, on the desktop and in the My Documents folder to an external location like an empty CD,or flash drive or to a different partition, to prevent data loss.
After data backup, follow these steps to install Windows XP.

Below is the detailed procedure of installing Microsoft Windows XP:
  • Before installing Windows XP or any other operating system, you should backup all your data. Data can be backed up on a separate partition, if the hard disk is partitioned or you can back it up on external storage devices like CDs or on a network.
  • Restart the computer and go to the Setup menu by pressing F2 and change the first boot device to CD, press Esc and save settings.
  • Insert the CD labeled Microsoft Windows XP into the computer and restart the computer.
  • When the pc restarts, a message will appear telling you to press any key to boot from CD, press a key immediately the message appears and the setup process will begin.
  • After the files have been loaded, Windows will start and it will give you an option of repairing using Recovery Console by pressing “R” or continue with setup by pressing “ENTER”; press enter to continue with setup.
  • Setup will list all your disk partitions, highlight the partition where you want to install Windows, this is mainly partition “C”, press “D” to delete the partition, then press “L” to confirm.
  • Highlight the partition you deleted, and then press “C” to create a new partition, press “ENTER” to create the partition.
  • Press “ENTER” again to install Windows on the New (Raw) Partition you have created.
  • Format the partition using NTFS file system.
  • After format has completed, Windows will restart and setup will prompt you to boot from CD again. Ignore the message and let setup continue automatically.
  • Follow the next steps which will ask you to setup the system Time and Date, Network and enter a serial key, until setup finishes.
  • After setup has finished, Windows will restart and will welcome you for the first time; Microsoft Windows XP will have successfully been installed on your computer.
Thank you for using Fixya,

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1 Answer

When I start up Windows XP I get three error boxes each of them say: Rundll Error Loading C:windowssystem3whnoherd.dll Rundll Error Loading C:windowssystem32cryakfuvzxugjh.dll Rundll Error Loading...


Rundll.exe files are systems process directly related to your computer's Windows Registry All Dll files are a part of vast library that contains code and data that is shared by many programs. This helps to produce speed and memory efficiency in your operating system by reusing the same code or file to run many functions by various programs. An error occurs when program aren't allowed to access this code.

Now, if you able to access the XP in safe mode, You could go to :-

Start > Programs > Accessories > System Tools > Restore.

Select a restore point and it's all done.

Unless, the only User Fixable option is to Repair the Windows. Put the XP disk in tray and run Repair. Once repaired, it would fix the problem.

Let me know, if needed assistance.

Hope i helped you.

Thanks for using ' Fixya ' and have a nice day!!

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If so you could run the "System Restore Wizard" and restore your system to a point before this problem happened. You can find the system restore wizard in the windows help.

This should fix the problem if has been caused by a virus or an accidental file deletion but if your disk had bad blocks or something then it might need replacing.

If this does not solve the problem tell us more about the exact error message and when it occurs.

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1 Answer

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Try doing a system restore from a previous retore point. However, you will not be able to recover any files that were saved after that point.
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