Question about Acer Aspire One D255-2670

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"I cant open my pc normally... i reinstall windows 7. in the partition where i choose to install i have to create first a new partion but its error 0x8007045d...Please help!"

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  • 59 Answers

Many offer-depends on the situation.

Posted on Nov 15, 2014


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SOURCE: how can i make duall boot already i have vista in my laptop

Start> type Bcdedit.exe> Enter

Posted on Apr 04, 2009

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SOURCE: recovery

its often a hidden partition which you can reload the software from
If you goto start> control panel > administrator tools> computer management> disk management > you should see the partition there

Posted on Apr 01, 2010

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SOURCE: Aspire One PC Notebook: i cant not open certain program, it says error , o...

You probably have a virus so everytime you double click even on Local Disk C:\ it will ask you to choose a program.
Download something called mata_virus it's a very nice script to kill the amvo virus and its variants.
Run it and after it's done it will show you the hidden files and folders. Then go to My computer and right -click on C:\ and then click explore.. then look for a file called autorun.inf. Right click and click on properties. Uncheck the "Read only" attribute. and then open it. and you will find the virus name and location. Write it down. Restart the pc safe mode and see if use the search (start - search) and look for that file. Delete it. Then restart normal mode and download an AV, I really like Avira Antivirus - ( and yes it's free - you can see its reviews on Install - update the virus definitions and run a complete scan. I hope this helps. If not, you will need to connect an external CD rom and use something like ERD Commander to restore Windows system Files and use the registry to remove any trace of the virus, but that's is not easy for the regular user, you really have to know what you are doing because If you delete the wrong file, you will damage the Windows installation completely.
Have a good day.

Posted on May 20, 2010

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SOURCE: Hey, I recently formatted my acer


Welcome to Fixya. Windows cannot install required files. Make sure all files required for installation are available and restart in the installation. Error code: 0x8007045D

You are receiving this error because Setup is unable to validate the Windows image file; it believes it to be corrupt. There are a number of things that can cause this but most often it's due to bad media. Assuming that this ISO you downloaded has a valid CRC check, you should try to :

  • reburn media at a very slow rate
  • use the best media that you can find
  • avoid ISO mounting utilities that mount the image as a removable drive
If you download the Windows 7 Operating System I suggest re-downloading it from microsoft and try again.

If you have questions please let me know. Thanks for using Fixya

Posted on Apr 06, 2011

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Rv510 disc controller

You may have a manufacturer recovery partion that windows installer see but it's uwriteable as it's protected. The usual partion is C:
Try again with C: as the partion, if it's not C: then look for the biggest partion, usually in Mb's.

Jul 08, 2017 | Computers & Internet


Dual Boot Xp & windows 7

First you have to create partition.You need at least two partition. One in which you intall Xp and other for win 7. WARNIG BACK UP YOUR DATA BEFORE THIS.*(You can create partion by any hard drive manager you can make a hard drive partition in control panel>administrative tool>create & manage hard drive partition)
Now install xp first in one partition. If you have pre installed then avoid this step.
Now install Win 7 in another partition.
After you restart the machine will ask to chose your os. & just select the required OS.

If any problem appears then just put win XP disk & repair it.

You cant install win Xp after windows 7.
You have to format win 7 before installing Xp.
Commiting any of trick or Tweak you need to backup your data in another HD partition

on Mar 10, 2010 | Computers & Internet

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Hi all, I'm having a problem with my Lenovo G550 with one recovery key system. I tried to install Linux but i did it wrong and now I can't start Windows. When I put the recovery disc in to my laptop and...

hi if you are using windows vista/7 recovery disk to reinstall OS, then while choosing drive there must be advance option below it..choose it and then delete all the drives and then create new partitions from all the unallocated space..and then choose the drive from newly created partition to reinstall OS..

to backup all imp. data before doing so use UBUNTU LIVE CD..then do the clean install of vista/7

if the above trick doesnt work then download the GPARTED LIVE CD to repartition your HD..
use GPARTED live to boot.
choose the HDD
delete all the parition
create new partition (NTFS)
shutdown GPARTED LIVE.
install windows vista/7 thorgh reinstall DVD.

Feb 28, 2011 | Computers & Internet

1 Answer

Can not install win 7 on a new clean formatted partion.


You can install in new formated partition only when you are in Window set up mode. By deleting all partition and create new partition. It you make like this.

The operating system installer CD is damaged or corrupted. Just new installer CD.


Feb 17, 2011 | Acer Computers & Internet

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I reformat my gateway netbook from xp to windows 7 starter... but when I restart it shows an option of windows xp and windows 7. I need to choose windows 7 before the windows start....pls help i dont know...

that happens because you didn't delete your original install of xp. basically you are dual booting operating systems. the best way to recitify this is to reinstall wndows seven and do whats called a destructive install. You should be prompted as to whether or not you want to do an upgrade or a custom install. choose custom and install. this should completely remove xp from the system. if you need any existing data from xp be sure to save it prior.

Dec 09, 2009 | Acer Aspire One Netbook 8.9" Notebook

1 Answer

I have 40gb hdd.need a partition scheme for windows xp such that i have 17GB gb for my games THANK YOU

Using the Windows XP installation disk, procede to install windows normally. In the windows setup you will get a list of options. Choose "C" to create partition. Create a 20GB partition. When that is done create another 20GB partition unless you plan on installing another Operating System such as Windows 7 later. If you want to keep XP and install Windows 7 at a later date on the same PC, then Set up 2 - 10GB partitions for Operating Systems and 1 - 20GB partitions for games. Make sure to install the games on the 20GB drive letter only so that Windows has enough space to run.

Nov 08, 2009 | Microsoft Windows XP Professional

2 Answers

I had reinstall windows,now i only have 1%of disc space

You allocation of partion is too low while the time of os boot , so the only way is you have to change partion space , use this number during partition 60555 MB this 60GB so you cant get full easily , you have to run the DOS mode booting then only you can get the partition location , you may be runned the os from normal opening cd setup mode from already booted os , for further clarifications reply me , i will help you , thank you , dont forget to vote for me .

Nov 02, 2009 | Computers & Internet

2 Answers

No internal hard disk found

Hi there.
Use the Vista CD to create the new partition, but first you have to delete the old partition first, (the 220GB partition not the 10GB one because that will be the recovery partition).
Get a calculator and work out your new partition, for example 50GB is 50x1024MB so that will be 51200MB.
When you have deleted the 220GB partition select NEW and input your newly worked out partition and carry on from there, to activate the other partition just format it.

Please post back with the results and for anymore help if needed.

Good luck and thanks for using FixYa!!

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Windows wont open

need to re-install windows

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