Operating System missing NetCrawler

I ran McAfee Tech Check showed Operation System is missing NetCrawler. HP Pavilion a465c desktop w/ win XP It also showed: Hardware and Divices missing Deivice Auto Dectect (computer not recognize external drive)

NetCrawler is part of Windows XP. You may be missing some updates. It is unfortunate, but Windows XP is no longer supported by Microsoft. It is a legacy OS.
If your Windows XP OS does not recognize an external drive, then you may need to run the sfc command to ensure all system files are up to date and not corrupt. You will need a Windows XP CD that has SP2 or SP3 which will be the source of the clean files that the SFC command will use to replace corrupted or missing files that it finds. You can also try reinstalling the USB driver for your desktop PC from the HP web support driver and application download section.
How to run the system file checker command in Windows XP
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Operating System Missing upon Winclone 4.1

Here's what I have.
MacBook Pro 13 Late 2011
Intel Core i5
16GB DDR3 RAM
Crucial 960GB SSD SATA .1 (Winclone 4.1 for Bootcamp Windows 7)
OWC 1 TB 7200 RPM HDD SATA .2 (Mac OS X Lion 10.7.5)
Matshitsu Optical Drive Removed
Factory HD Enclosed in NetStar CX SS USB 3.0
Also have Parallels Desktop 8.
Here's what worked.
I started Parallels 8 and Bootcamp worked booted and ran fine with no issues. I shutdown and restarted for Bootcamp, got an error message "operating system missing". I'm thinking its a destination issue. But I don't know where to look.
Any ideas?

I found my answer as to why it doesn't work. SSD and HDD write and read memory differently. Even booting the OS was different for Windows 7 hence the OS errors.

Operating system missing

Hello,
I have a macbook pro 15" mid 2009 which is missing it's operating system. What are my option as to installing a operating system on the unit?
I don't have any discs or backups.

That originally shipped with 10.5.5 or 10.5.6, it is usually a good idea to have the original install disks for the particular build for disk repairs and such, you can check with Apple they will usually provide these for a small fee.
Try Customer Service
800-767-2275

HELP! How can i restore/recover files from Bootcamp with Boot Failure - Missing operating system error?

Hi,
I am having a few problems with bootcamp on my imac. When i tried to move the bootcamp partition on windows 7 into free space, it crashed and turned off. Ever since i have had the error 'Missing operating system' and it fails to boot. I have some very important files on the bootcamp partition. Is it possible to recover these files or even to restore the bootcamp partition to it's original state? I do not have a backup of my bootcamp partition. Another problem i have is that ever since i tried to expand my macintosh HD partition into free space, when i hold alt while booting up (to choose which partition to boot like i normally do), the bootcamp partition has stopped appearing. This means that i cannot even boot the windows 7 bootcamp partition anymore!
So basically here are my 2 questions:
How can i restore/recover files from Bootcamp with Boot Failure - Missing operating system error?
How can i make the Bootcamp partition appear in Startup Disk and when i hold the option key while starting up my computer to allow me to boot windows 7?
Any solutions are very much apreciated!
Thanks!
I know that bootcamp (disk0s4) hasn't been fully deleted since it appears in disk utility (i cant do anything to it though)
And here is the error i see when i try to launch bootcamp (back when i was actually able to boot up bootcamp to the error screen)

WinClone 3 is OS X and saves Windows image it makes for restore - that should work but you will have to try and you would need to make a new image unless it also works with a native Windows system restore image. It is now supported and has come a long way.
http://www.twocanoes.com/
Paragon Clone OS works and does disk-to-disk clone just like CCC you end up with two bootable drives. But does not work with your setup. It would let you clone and move your Windows install to an SSD or another disk drive though and be bootable.
During its clone process it checks for errors which is very helpful and lets you know - something CCC and others should adopt more of.
http://www.paragon-software.com/downloads/demo.html
I wish for our/my sake you had re-read and rewritten the long 'story' and broken it into a brief list of facts we needed.
OS X
Windows
Backup (though external is much safer) and you want bootable OS X clones as well as TimeMachine
https://support.apple.com/kb/HT1427
https://support.apple.com/kb/HT1553
There are a number of things to do like chkdsk and others as well as Windows DVD to do automatic system repairs and find out why.
AppleHFS - the abilty to mount and read HFS volumes can be notorious.
I would rearrange and redo your storage setup and how you use the 4-5 internal hard drive bays.

Missing Operating System

I have a Lenovo T500 Thinkpad. I turned off my laptop and now when I turn on the laptop I receive a message that states "Missing operating system". I do not have any recovery disk or install disk. How do I fix this error? The only thing that I have been able to access is via the blue ThinkVantage key. I receive a screen that has a Startup Interrupt Menu with three options. ESC to resume normal startup, F1 to enter the BIOS Setup Utility or F12 to choose a temporary startup device. I see the messages where the drives are partitioned and I should be able to set back to factory standards somehow, but I sure don't know how to even begin. Can anyone help me, as I am clueless.
Thank you

Hi kew659 and welcome to the forum!
Per support page, your T500 came with Win XP pro. Even if you contact lenovo to buy recovery discs, I think they would only sell you Win XP media.
Try following, it will work if you had a good recovery partition of Vista or XP:- http://support.lenovo.com/en_US/downloads/detail.page?DocID=DS013955
Maliha (I don't work for lenovo)
ThinkPads:- T400[Win 7], T60[Win 7], IBM 240[Win XP]
IdeaPad: U350
Apple:- Macbook Air [Snow Leopard]
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Z77A-GD65, "Missing Operating System" after running Live Update

So here's the brand new computer I assembled:
$309.99 HIS IceQ Boost Clock H795QC3G2M Radeon HD 7950 3GB 384-bit GDDR5 PCI Express 3.0 x16
$219.99 Intel Core i5-3570K Ivy Bridge 3.4GHz (3.8GHz Turbo) LGA 1155 77W Quad-Core Processor Intel HD Graphics 4000
$199.99 Acer G276HLDbd Black 27" 6ms (GTG) Widescreen LED Monitor
$179.99 Western Digital WD Black WD2002FAEX 2TB 7200 RPM SATA 6.0Gb/s 3.5" Internal Hard Drive
$159.99 AZZA Hurricane 2000 CSAZ-2000 Black SECC Japanese Steel ATX Full Tower Case
$154.99 Intel 335 Series 2.5" 240GB SATA III MLC Internal Solid State Drive (SSD)
$154.99 Intel 335 Series 2.5" 240GB SATA III MLC Internal Solid State Drive (SSD)
$144.99 MSI Z77A-GD65 LGA 1155 Intel Z77 Motherboard with UEFI BIOS
$119.99 OCZ ZT Series 750W Fully-Modular 80PLUS Bronze Power Supply
$99.99 Kingston HyperX Beast 16GB (4 x 4GB) 240-Pin DDR3 2400 (PC3 19200) RAM
$99.99 Logitech G930 USB Connector Circumaural Wireless Gaming Headset
$99.99 Microsoft Windows 7 Home Premium SP1 64-bit - OEM
$74.99 ASUS Black Blu-ray Burner SATA BW-12B1ST/BLK/G/AS
$59.40 CNPS9900MAXR Red CPU Cooler
$49.95 3YR DATA RECOVERY SERVICE I INT. HD For (WD Black 2TB)
$34.99 2 yr Replacement W/ ADH plan For (Acer 27" LCD)
$10.99 LITE-ON SK-2030/B Black PS/2 Wired Slim Keyboard
$9.99 LITE-ON SK-2035/B Black USB Wired Slim Keyboard
I wanted to have the SSDs in RAID0 with Win7 and the games on it, then a volume on the 2TB that the RAID backs up to, with the remaining 1.5TB just free storage space in another volume. I couldn't get raid past Win7's Where Do You Want To Install screen during installation, so I ended up installing the OS on just one SSD. I figured I'd backup the functioning OS to the 2TB then rebuild the RAID array and copy the OS back onto it.
The system had been up an running for a full day, being updated left and right nonstop, several big games put in, etc etc, everything was running fine until I decided to run MSI Live Update and started pumping in updates. Constant errors as I went along, but generally it'd just skip to the next installation attempt. When it got down to updating the BIOS and did it's DOS injection thing, it for forcefully shut down the PC, restarted, did Post, flashed the BIOS wallpaper, restarted again, Posted, no BIOS wallpaper, just endless "Missing Operating System". Walked away, went to bed, back up and at it for a few minutes (Will be back tonight for however long it takes to get it fixed). I switched the BIOS switch over, no dice. Feels like it's a BIOS "OS" that's gone, and that a BIOS reset/flash is in order or something, but I've never done these things.
Thanks in advance for any rendered assistance that leads to resolution.

The SSDs are definitely hooked up where they're supposed to go; the motherboard had a little sticker n' everything for where the two SSD dedicated SATA 6.0gbps ports were :P AND my case has 2 specific slots for SSDs which don't use the hotswap electronics PCB passthrough like the other 4 bays, which is where the 2T is installed. I was going to take the 2TB out and hook it up normally and see if that changed the speeds, but I'm leaning towards wishful thinking. Did I mention I went and made several volumes with different file cluster sizes to test and see if that was the issue? Alas, all were borked. It still confuses me though because every once n' awhile it'd do massive burst speeds the way it's supposed to.
As far as I can recall I'm using up to date BIOS, the last one or two. One BIOS switch is set for the last BIOS, the other switch is a step back devoid of the Windows 8 stuff. I believe I have all the drivers up to date as well. Intel 335's are literally brand new, mine hadn't been more than 3 weeks old off the production line when I received them; IE, they should pretty much have the latest firmware on them which spares me the risk of destroying something precious
I MIGHT have a SATA external enclosure around here somewhere, if so, the 2TB could go in that for additional testing until I figure out where it's sustaining speeds of 2-10MB vs 100-150MB/second.
Meanwhile, the good news is that the system has been fully operational and hella stable. I hadn't slept in almost 3 days, playing and installing stuff nonstop. The system continues to run cooler (32c@stock CPU speed) as the thermal paste sets in, the knocking sound of the fan in the PSU has gone away upon me reawakening a bit ago, and amazingly, this massive system (with EIGHT fans) draws only 60-65 watts while desktopping. That's just astounding

HT4818 after installing boot camp 4 on mountain lion " Missing operating system"

Hello
I hade a small Windows 7 partition , so after updating to mountain lion , I wanted resize win partition .
I made an image of it , then deleted win partition from utility disk , ( wrong idea )
I didn’t notice that boot camp could erase win partition , anyway I have tried several times , and always after reboot boot camp
I get the same
Missing operating system .
If I boot from dvd install win or if i boot from the boot win partition.
hd and partitions looks OK to utility disk
Any idea to fix the problem ?

I presume that you've followed the instructions for sideloading the iMac Windows drivers into your install via USB stick? (wasn't aware the EFI recognized the SD slot as storage on boot. Now i know)
I always found more success in just slipstreaming the drivers and install.xml file onto a custom Win7 DVD rather than the USB approach when trying with my Late 2009 27" iMac. The Win7 installer needs that enclosed .xml file in the driver package to tell it where to find the drivers so that they be loaded when the Win7 image extracts itself.
If you're using mountain lion, then you should be receiving the proper Win7 driver set. If you wanted to create a custom image, then you can use an ISO file, the driver package and disk utility to make something you can use. Either that or you learn what edits your install.xml file needs to point the installer properly and check it manually.
I don't know what links you have so i'll just include everything:
Installing boot camp on a Late 2009 iMac:
http://support.apple.com/kb/TS3173
Direct link to Late 2009 iMac-specific Windows drivers.
http://support.apple.com/kb/DL995
I'd try a USB stick and the iMac-specific driver set. It should steer your insolent windows installer correctly.
Hope this helps.

Missing Operating System Error

Hello, my aunt asked me to fix her computer but I fix game systems. She had it for a few years, Toshiba Satellite L305D-S5892(model # PSLC0U-02501F).When I turned it on, it said press F2 for Setup Utility and F12 for Boot Manager.After everything, it says " Missing Operating System".I tried everything on setup and boot manager, took hard drive out and put back in, took memory put and put back in , took big battery and put it back.Please Help!!!!!!!

Can you get it into the bios setup screen. If so is the hard drive listed. It sounds to me like a hard drive failure. If you replace the hard drive you will also probably have to buy a set of recovery disks unless your aunt made a set.
L875D-S7232 (Win 8.1)

"Missing operating system" help!

Hey all,
My Mini's hard drive died the other day, so I installed a new one. I have the OSX dvd in my drive, and when I go to boot up, I get an error message "Missing operating system."
If I try to boot from CD by holding down the C button on my keyboard, nothing happens -- same error message. It appears my USB keyboard isn't powered.
Any ideas?

The Apple Aluminum keyboard doesn't work with the startup keys on the mini.
You can use your Apple remote instead: as soon as you hear the startup chime or beep, hold down the menu button on the remote. It will put disc icon up on the screen that you can select with your mouse.
Keep in mind that you need to use the install disc that shipped with your model of Mini -- or else a full retail version.

[solved: PEBKAC] syslinux woes: "Missing operating system"

In light of http://mailman.archlinux.org/pipermail/ … 23211.html I decided to try syslinux, but couldn't get it to work. I think I followed the wiki (i.e. the /boot partition is marked active etc.) but still got "Missing operating system" error and had to use a liveCD.
If anyone is using syslinux for their bootloader, can you pleas post the configs or give me a hint what could have gone wrong?
Last edited by karol (2012-07-13 22:25:03)

I use syslinux (or more precisely the extlinux that boot from an ext{2,3,4} partition) successfully. Hereafter I briefly post what have to be done. If it still does not work. Repost posting exactly what you have tried.
1) create a directoty /boot/syslinux, containing syslinux.cfg and possibly modules that you will refer in this file (notably menu.c32 and chain.c32). You can put symlinks on the condition that the symlinks point to file in the same partition.
small edit: pay attention of 2) if you use symlinks. the / of the pointed file is the root of the partition where syslinux it. It does not correspond to the way you see it in the system if this partition is not mounted in /. See 2).
2) Place syslinux.cfg in this directoty. The root of the file mentionned are relative to the root of the partition containing the /boot/syslinux directory. You can also use relative paths that are relative to the directory /boot/syslinux (so if you have a /boot partition, the linux kernel will be referenced as /vmlinuz-linux, if /boot is on the same partition as / then /boot/vmlinuz-linux). I put here my config as an example: http://pastebin.com/zNunwupx
3) Make the partition containing /boot/syslinux bootable.
4) Put an mbr on the hard disk to be booted:
dd if=/usr/lib/syslinux/mbr.bin of=/dev/sda bs=440 count=1
Replace /dev/sda by your hard disk. If you use gpt partition, you may have to use /usr/lib/syslinux/gptmbr.bin
5) run
extlinux /boot/syslinux
Last edited by olive (2012-07-11 19:18:42)

[SOLVED] Mac OS X/Arch dual boot Missing Operating System GRUB problem

I am attempting to dual boot Mac OS X.5 and Arch on my "unibody" macbook pro.
I am getting the "Missing Operating System" error over and over. I have followed the Macbook install guide in the wiki and the Beginners install guide. I've also read all the threads I could find on the subject. The common fix seems to be changing the root path on the grub menu.lst... I've tried that. twice. with no luck.
I have EFI on sda1, Mac OS X on sda2 and Arch root on sda3.
My menu.lst is pretty much standard with
root (hd0,2)
kernel /boot/vmlinuz26 root=/dev/sda3 ro
for both Arch and the Arcch fallback.
I'm not sure what else to try. I can give more information, but I'm not sure what else to give.
Thanks in advance .
Last edited by Weird Fishes (2009-06-14 15:34:31)

I know exactly what the problem is.
If you're using rEFIt, sync your partition tables (should be the menu item called 'Partitioning Tool'). The problem is that GRUB has been installed, but doesn't know where to find the Arch partition.
After syncing, you may find that the boot process hangs at the Linux logo on a gray background. No worries — just reboot and the problem should fix itself.
N.B. You will need to do a partition table sync every time you change your hard drive's layout.

"Missing Operating System" on boot?

My Windows side was working perfectly until very recently, where it now displays a "Missing Operating System" error in the BIOS when I start it up.
I have tried to use EASEUS File Recovery to no avail and it detects the wrong files; OS X also displays the wrong files in my Windows Drive (it appears as if it was a fresh install of Windows). The Windows 7 install DVD does not recognize my OS as being there and I have no idea what to do.
Any help or suggestions? Or do I need to format my drive and lose all my years school work? (I didn't backup Windows only OS X with Time Machine)
Thanks

In fact I've already tried with Ext3 and exFAT, but it didn't work. Even only erasing without creating a new partition doesn't work.
I already have the driver for read/write on NTFS
The hatter wrote:
You moved Windows to higher number.
Okay , but I just want to remove the partition to a lower one, so He can see the OS, without having to reinstall the whole thing, is it possible ?

Satellite C660D-14E - error "Missing operating system"

Satellite C660D-14E, W 7.
System froze and I had to switch off. Then the following happens
1st error message "Missing operating system".
After switch off system wont boot.
I have no rescue disc. I have a separate PC.
Can I download a booting sequence to use on a USB?

Hi
It looks like something happened to your HDD. Maybe its faulty, or maybe just the system partition is corrupt.
Well, in best case you need to install the system again.
If you dont have the recover disk, you could order this here:
http://backupmedia.toshiba.eu/landing.aspx

Operating system is missing

server is not booting to OS mode and showing an error message while trying to boot with c:\ . error message is "operating system is missing"
server has windows 2012 with raid 5 (6hdds) and logical drive is OK. 1st boot controller and boot volumes are set correctly in server bios and raid controller bios. while trying to boot with OS media : does not show repair option. server has critical data
and softwares installed. hence looking for instant help to recover from operating system is missing" scenario

Hi Harsh,
To boot into repair mode, have you check the repair option in the scrrenshot below:
This issue could be caused by:
1.The basic input/output system (BIOS) does not detect the hard disk.
2.The hard disk is damaged.
3.Sector 0 of the physical hard disk drive has an incorrect or malformed master boot record (MBR).
Note Some third-party programs or disk corruption can damage an MBR.
4.An incompatible partition is marked as Active.
5.A partition that contains the MBR is no longer active.
And you can follow these steps to troubleshoot:
Boot into repair mode: repair your computer->troubleshoot->command prompt
1.Run a chkdsk for your main partition (e.g. C:), to do that enter:
chkdsk c: /f/r
2.Bootrec.exe: Repair MBR
/fixmbr
This will create a new Master Boot Record, but will not overwrite your exisiting partition table.
/fixboot
This will add a new boot sector. If you boot sector is damaged you might not be able to start your system.
/rebuildbcd
Scans your disk for Windows server 2012 compatible installations, needed to repair your Windows installation.
3.If you changed the "mark partition as active" option to other partition by mistake, then the error occurred, please try to use the cmd diskpart:
diskpart
list disk
select disk 1
list partition
select partition 1
active
If there is anything else regarding this issue, please feel free to post back.
Best Regards,
Anna Wang

I deleted a 200mb partition bt accident, now my laptop shows missing operating system, what should i do?!!

I deleted a 200mb partition bt accident, now my laptop shows missing operating system, what should i do?!!

How old is your Mac?
Have you tried using the Recovery Partition
And why are you deleting partitions?

Operating System missing NetCrawler

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