The Partition Table Does Not Have A Valid System Partition
Jul 24, 2011
I wanted to resize a partition, so I backuped all important files and booted from a vista PE CD. The program used is called "Easeus". After the resizing a message appeared, which told me that the system information couldnt be updated. After a restart, it - well, it didnt restarted. I tryed to format my C:Windows partition, but Easus decided to randomly format my linux partitin, too. Yey. After that i just formated everything, so i can create one big partition so this never happens again :P. To put it in a nutshel, there is no way to boot besides from booting from a cd. The diagnostic tool of the fabricator is giving me the "error code: BIOHD-3 No bootable drives detected" message.I tried to fix it with a win7 repair disk (just realized, that the disk is for 64bit, i have a 32 bit os - i think it doesnt matter, because there isnt any os installed at all). I used pretty much every "bootrec" command, sucessful, but no change. The startup repair gave this message: "the partition table does not have a valid system partition" diskpart - act isnt helping either: "The specified partition type is not valid for this operation."I dont know if i could install any os from a disk - i dont have a bootable installation cd/dvd. Because of that i would be happy if someone can tell me where i can find a free os and how i install it. From a os i can install my win 7.
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Oct 19, 2011
Suddenly my Win 7 Home Premium x64 will not boot. The system starts, POSTs then loads the DVD driver, then the screen goes black (not blank but "lit up" black if that makes sense). Then nothing. If I use Hiren's boot cd I can boot up using the "boot from HDD" option fine and Windows operates normally. System restore to a previous configuration made no difference to the original problem. I cannot boot into Safe Mode. F8 just offers me boot order options.
- Running the Windows 7 DVD I find: "No operating system is listed on the Repair Windows option."
- Running Startup Repair finds the following error: "the partition table does not have a valid system partition" which it claims to have repaired, but the error remains and Windows will still not boot.
I followed this advice:
Boot 7 dvd to system recovery options command prompt. Type: Diskpart
list vol (find the vol letter e.g C or partition number e.g. 1 for the system partition )
Sel vol C ( or sel vol 1, obviously use the correct letter or number)
act exi
My system partition was easily identified and listed as healthy so I selected it and made it active. The problem still remains exactly the same. My system is self built just over a year ago, to my knowledge has been running fine, without any hardware issues. I'm prepared to do a clean install if that's what it takes but if there is a way to fix the partition problem without that I'd like to explore it first.
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Dec 28, 2011
I have my HP Laptop which came with Windows Vista as the OS. I want to upgrade to Windows 7 so I bought Windows 7 from my local store.I entered the disc and did boot from CD. It reached to the page where it shows the disk partition. I deleted the partitions and created new one. However, whenever I create the partition, it creates a primary one and gives me error saying Setup was unable to create a new system partition or locate an existing system partition.
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Jul 18, 2012
I just recently fixed my laptop a while back ago, and now I am having problems again.I was drawing on my laptop and I received an update for Flash Player. Well, I started to update and as soon as I clicked start, I went back to drawing.30 seconds later, with no warning whatsoever, My computer was closing all my programs, and restarted itself with out a prompt. However, when it did reboot, I got a message saying Invalid Partition Table.So, i was like wtf, like any person. I tried rebooting and going into safe mode. It wouldn't let me. AT ALL. The f8 function does not work. actually the only functions that do work is f2 for setup and f12 for boot options
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Feb 7, 2013
I am running a small network at my house, and I have a Win2003 server that seems to have problems. It doesn't boot anymore. One suggestion was to take the hard disk, connect it to another computer and work on it. Ok, so I did that. Took the HD from the 2003 machine, got a connection kit for USB and connected it to my Win7/64 notbook. Of course, that blew up my notebook-When I connected the HD, the laptop froze. Obviously, I had not choice but to remove the external hard drive and reboot. The reboot now ends up in a single line: Invalid Partition Table.I have tried the system Recovery Options on the DVD, but the automatic options don't work. So I need to find another way to restore the partition table.
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Jun 14, 2010
Im having some problems putting windows 7 on my iMac. At first, it worked fine. But i lost the reinstall disk so i made an image backup on my external hard drive. Before, i was triple booting Ubuntu, OS X, and Windows 7. I had a huge problem in windows so i restored from a backup. But now, my bootloader rEFIt keeps trying to change my mbr. whenever i try to, it makes windows unbootable. I have the MBR contents, and i noticed that it says theres 2 NTFS partitions. and when i try to install ubuntu, it wants to format the NTFS Partition and delete windows. Is there a way to fix it so i can have all three booting?
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Jun 9, 2012
Win 7 hpSlimline...black screen with "Invalid Partition table_"
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Nov 21, 2009
Basically while I was running Windows 7 I wanted to clone my 149GB Hard Drive to a 500GB partition on my 1TB HardDrive, with Ubuntu taking up the other 500GB.
I coulnd'nt clone using Windows tools because I always had an error of some sort. I then tried cloning using various Ubuntu tools on the Live CD - these didnt work either. I then tried dd if= of= command and it copied about 50% before an I/O error.
After the dd failed I tried booting Windows 7. The boot manager gave me 2 options. Win 7 ultimate and win 7 ultimate (recovered) win 7 ultimate never booted, because it was the new-er, half-cloned HD. The other windows loaded but was bugged, had to manually run explorer etc.
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Sep 1, 2012
I have a Dell E6410 running 32-bit Windows 7. When I boot the machine with an USB thumb drive attached I get an Invalid Partition Table error. I hold the power button down, remove the thumb drive and then power the machine up. It then boots with no problem.
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May 21, 2011
l am having a problem with installing due to a disk partition problem.. Im getting an error that says "The selected disk has an MBR partition table. On EFI systems Windows can only be installed to GPT disks".I have no clue and reading other forums it sounded like specific computers were having this problem but I built mine.Had a Windows 7 Ultimate x64 I used from a friend with no Key, Microsoft doesn't like that so I purchased a Key from them for Premium, used a W7 x32 disk by accident and I have 12 GBs of Ram so pretty inefficient.. I downloaded a W7 x64 version and am now having this problem...; First I've down this now bc Microsoft said they would send me a disk in the mail when I bought the Key but that was about 3 weeks ago and I would like to use my computer to its capabilities.
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Sep 21, 2009
Is it possible to install Windows 7 on a GPT disk?
I created a RAID 0 array on my dual Xeon 5580 system and tried installing Windows 7 Ultimate 64-bit RTM. When I got to the "Where do you want to install Windows" part I used shift-F10 to open up a command window, then I used diskpart to create a GPT with the following partitions:
Disk 0 Part 1 - 102 MB EFI System
Disk 0 Part 2 - 128 MB MSR
Disk 0 Part 3 - 500 MB Primary
Disk 0 Part 4 - 7446 GB Primary
But there was a message "Windows cannot be installed to Disk 0 Partition 3 (show details)" - clicking on "show details" gave me "Windows cannot be installed to this disk. The selected disk is of the GPT partition style."
What gives? I thought Windows Vista and beyond supported GPT.
The problem with MBR is that you can't have a file system larger than 2 TB.
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Oct 5, 2009
I have a OCZ Vertex.
My vertx is aligned on rules 1&2 but missaligned under rule#3
Guide RAID / Non-RAID Partition Alignment for max performance - OCZ Forum
Can i use windows 7 backup tool and have them saved on DVDs, then use the windows 7 disk to format the drive (hopefully making it aligned)?
Or will the backup tool save the partition table (and the misalignet) aswell?
Partition Offset 65536
File Allocation Unit Size 4096
Disk Sector Size 512
NAND Erase Block Size 524288 (left sence i have vertex 30gb (Mac edition))
NAND Page Size 4096 (left sence i have vertex 30gb (Mac edition))
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Aug 13, 2012
I have a copy of windows 7 from a friend. (USB, possibly enterprise)It runs well, is official and can be re installed and is verified through the Microsoft site, so the media doesn't seem to be a problem.I was able to install Win7 Ult x64 on my WinVista HomePrem x86, but I went back through to clean the hard drive (it was full, I didn't format before) and after low level formatting I cannot reinstall the OS. The harddrives are completely empty, and I get stuck at "Setup was unable to create a new system partition or locate an existing system partition," after hitting next when you are selecting the HD partition to install on. I tried a couple of things already:
-Installing on another harddrive
-Formatting using Hiren's bootcd
-Using a hard drive with XP installed to see if it is an upgrade and not a full version (no luck, still wouldn't install)
-diskpart > list disk > select disk 0 > list partition > active \ in cmd..I have three hard drives attached to the computer right now, they can't all be broken. T.T
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Apr 29, 2012
A few weeks ago my computer turned off unexpectedly while I was using it. When I tried to start it up again, I got a black screen with a blinking cursor. I tried going into BIOS and changing the startup order to no avail. It's now back on default. I also ran the system diagnostic and it said nothing is wrong.I got a Windows 7 repair disk and attempted to use that. I ran the startup diagonosis and restarted-- again a black screen with a blinking cursor. I restored it to an earlier point and restarted-- black screen with blinking cursor. I then attempted to restore it to other points but got an error message (0x8000ffff) each time. Finally, I tried command prompt and did "bootsect /nt60 ALL" which did nothing. So I tried "bootsect /nt52 ALL" which did nothing. I did both of those again with "/force" (which I'm now guessing was a stupid move, but I was desperate to try anything) and now when I restart I get a black screen with "Invalid partition table". When I try to go to system restore now it tells me there are no restore points.
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Jan 2, 2013
then i tried to install windows 7 ultimate from inside the windows 8.after the end of installtion during completeing step installtion stops responding.and my winddowss not installed andd my previously installed windddow also stops working.and after i tried to install winodw from dvd but after all setting and drive setting when then actual installation strtts .the first step which is coping files completes in 1 sec. and go to second step and stop responding.
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Jan 7, 2012
I encountered an error that stated:windows can not be installed to this disk the selected disk has an MBR partition table on EFI systems, windows can only be installed to GPT disks."
Windows 7 Ultimate 64bit
INTEL 3930K
2 x GIGABYTE HD6970
CORSAIR Dmntr 4X8/32gb DDR3/1600
WD 2TB CAVIAR BLACK 64MB/7200PRM
CORSAIR FORCE 3 120GB SSD
ASUS P9X79 DELUXE MB
CORSAIR H100 COOLER
CORSAIR HX1050W
clean install to mechanical not SSD so you can use ASUS software once WIN 7 installed to merge them with the "Marvell 9128 6GB port"...Regarding BIOS funnily enough I have seen images of the UEFI BIOS in forums with all 8 ports on the deluxe in SATA configuration in advanced settings however mine only shows six (and no duplicate for UEFI like other images of UEFI i've seen"?and I have updated the UEFI BIOS to the latest version..
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Sep 4, 2011
I have an external 3TB hard drive, USB. I used a mac to partition it, 2.25TB is HFS+ (Mac OS extended - journaled) and the other is 490gb NTFS (to use on windows). It would not give me the option to use MBR (master boot record) so i used the GUID table. It works fine on macs, but windows tells me i need to reformat it. It is my understanding that most all 64bit versions of windows can read/write a GUID disk. I do not need to boot off of the drive. this is another addition to the list of "why i hate windows"
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Dec 18, 2012
I have Windows 7 ultimate 64-bit installed on DELL desktop (Optiplex 990) i7 Core. I have two HDD: Disk 0 contains the operating system 500GB. and Disk 1 empty 1TB.
I want to make a partition on disk 1 to mirror the operating system partition and keep the remaining for data storage. I tried to do but I had the following error message: "All disks holding extents for a given volume must have the same sector size, and the sector size must be valid."
I tried to attach a screen shot but couldn't.
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Jun 7, 2012
Recently my SSD failed so I tried installing windows 7 from DVD on my HDD but I always get an error message: "Setup was unable to create a new system partition or locate an existing system partition."I've tried everything I could find here: I gave boot priority to the HDD, I unplugged every other device but nothing seems to work.
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Apr 10, 2012
I currently have a dual boot on my computer with Windows 7 and XP. Unfortunately as my computer is quite old my hard drive is not very big and with it being partitioned I am fast running out of disk space. So I tried to shrink the XP partition to allow me more disk space for Windows 7. Unfortunatley this would only let me shrink it by 83mb for some reason. I decided that since I barely use XP anymore that I would simply reformat the XP drive then try and merge them together. When I tried to format the partition it just gave the error "Windows was unable to complete the format". I then discovered in Disk Management that the Windows XP partition was the system partition which was causing the problem.
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Oct 22, 2009
I have started the installation process of windows 7 on a clean 1 TB hard drive. In order to ensure expediency of the read time of my primary drive, I choose the custom installation. When I did I partioned the drive as 250GB & 700GB. Hoever it also created a 100MB system partition on its own. It never did this in Vista. Is it suppose to do that?
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Jun 28, 2012
Through a series of shenanigans involving experiments with mirroring on Windows 7 64 bit using Disk Management, and then subsequently removing the mirror after having recurring errors/problems with the synching, My 100MB System Reserve partition has ended up on a separate partition than my system image. For instance: Disk 1 System C: Healthy (Boot, page...) Disk 0 Healthy (System Reserved...).
In addition, the System Reserved partition has been assigned a drive letter "G:" or "E:" and is now visible in explorer and it won't allow me to remove it and supress from explorer view.
I'd like to
1) move/create the System Reserve partition to Disk 1 (with System C: drive)
2) remove the System Reserve partition from Disk 0 to free it all up as a data drive
Do I use command below to create a System Reserve on Disk 1? bcdboot C:Windows How do I then delete the System Reserve partition on Disk 0. Also a byproduct of all of this, when I reboot now, I have a "Windows 7" option and a "Windows 7 Secondary Plex" option. The "Windows 7" option no longer boots (it's stops while the logo panes are flying in circles to form the logo and goes into a fix loop that never fixes it). I have a feeling it's looking for the old mirrored hardware configuration or something. However, "Window 7 Secondary Plex" option does boot just fine. Do I use MSCONFIG to remove the "Windows 7" boot entry so I don't get this annoying option at boot?
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Jul 2, 2010
I recently acquired a 60GB SSD and want to migrate my current system hard drive to the new drive. However, when I go to the Windows Backup manager to create a system image, it wants me to copy ALL of C partition and ALL of D, when it should only be C.D drive is full of a bunch of crap that I do not want included in the system image.If there even are system files on D, by no means is copying the entire partition necessary!Therefore, is there any way to make partition D NOT a system partition?
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Jun 8, 2011
A friend has asked me to install Widows 7 on a friends laptop which has XP. The laptop doesn't have a DVD drive (no drive at all) so I've had to stick the installer on a USB stick from disc using a program.The USB boots up fine on the laptop, just like a disc. I formatted 2 partitions (same drive) and tried to install windows 7 but I get this error:"setup was unable to create a new system partition or locate an existing partition"So now, I have someone else's laptop with no OS. The owner is a 70 year old computer illiterate man.i'm planning on trying to install Vista instead and if successful, upgrade to 7. I would have upgraded in the 1st place, but P can't be directly upgraded to 7.
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Jan 23, 2013
I install Windows 7 64 bit in a 60 gb partition of my HDD (C drive). I have about 200 GB free space in D drive. Now I want to make a 60 GB partition from the free space of D drive.
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May 9, 2011
I created a 20gb partition on my external hard drive and no longer require the partition. It is currently unallocated space so I want to format it into NFTS. Using computer management the partition was selected and and I went through the steps to format but i keep on getting an error message saying there is not enough space on the disk to complete this operation.
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Aug 29, 2012
I'm a long-time reader but new poster. I am currently running Windows 7. I want to install Windows XP onto another disc and have a dual-boot setup. I keep Windows 7 up to date and secure, but for the XP partition, I would rather not have antivirus running or even installed, in order to limit background processes. I will not be logging into any place or making any credit card purchases when booted into Windows XP. It will just be used for surfing, games, etc. Further, if and when XP becomes compromised or buggy, I will simply overwrite the partition with a backup image.
If I use Bitlocker to lock down the Windows 7 partition (with the encryption key on a thumb drive) and boot into Windows XP, am I correct in thinking the XP installation see or can't access the Windows 7 partition? If XP gets compromised, can a virus access or write to the Windows 7 partition?
Is there any other reason why this would not be secure? Can a virus write to the BIOS?
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Jul 10, 2011
I wanted to create a new partition to try out linux. So I decided to shrink E: by 20 GB. I then formatted the free space into a new drive by right clicking and creating new simple volume. I was warned that the drive would be made "simple", but not knowing the implications, I went ahead with the procedure. Now on rebooting, windows won't load. I had made a repair disc, so was able to use it to check for any start up errors. It reported none. Moreover I used "diskpart" through cmd to find volume c: is dynamic.
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Oct 19, 2012
I had my friend Dell Laptop. He want me to create a two extra partitions in existing primary partition which is C:The HDD is 1TB in size.One hour ago I had used Dell data backup program and created recovery discs and then formatted the Laptop to factory default. I thought before formatting it will give me options to create a partitions but it did not had any option.
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Jul 1, 2012
When I installed Windows 7 on to my new laptop I think I did it on to the wrong partition as there is still a 30GB freedos one.Can I merge it with the partition Windows 7 is installed onto as it is getting full?I don't want to have to reinstall Windows again.
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Jul 1, 2010
I'm using Compaq Presario CQ40-627TUMy Laptop SpecIntel Dual Core Processor T4400 (2.2GHz, 80Mhz FSB,1 MB L2 Cache)- 2048MB 800MHz DDR2 Memory- 320GB 7200rpm Hard Disk Drive- 14.1' TFT WXGA High-Definition widescreen LCD panel with brightviewtechnologynd i'm using windows 7 Ultimate on boot system partition C, dual boot with linux mint. which mean i got four partition. one for linux mint. one for its swap space. one for windows 7. one for my data storage(movies,drivers,mp3,picture and etc).last few days i try to resize my C partition (120gb) to make it smaller to gain some unallocated spaces and resize the D partition because my D (almost 100gb) (ntfs/primary/data storage) almost full. i use easeus partition master v5.01.
After done resizing and restart i can't see any D partition. so i was worried that my data will disappeared. i try to look for it but there is no Drive D even on the easeus or diskpart. the only drive appears was C Drive.i remove my Linux Mint and its swap (60gb) and thinking that i could get some more free space and do some cmd prompt windows 7 repair fixmbr thing to remove the grub. then i use partition recovery to transfer those missing data from partition D to C Drive. (appears as unformatted)i try to use partition wizard home to resize it back to 300gb. and it works. but i cant make a partition. it will disappear just like that.i also try to use diskpart,command prompt diskpard, and paragon. but also not working. the C drive was shrink but theres no unallocated space and no D drive (the new create partition). i try logical partition,primary,ntfs and fat but also not working. even the unallocated space also gone. i use almost 4 3rd party partitioning software but still got no luck with it.example:i divide 300gb into 2 partition which exist the C partition 150Gb but the other one gone. i wish theres other way than format. i also done many time. doing check disk, partition table doctor, searching for bad sector. but no errors with my hdd.
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