Virus corrupted MBR - how to reset


J

John L

Compag Satellite Pro
WinXP SP2

Issue: when booting, windows XP welcome screen, then a quick flash of BSD
the infinite reboot. Will not come up in safe or last know good
configuration. I was told that the machine waws virus infected. (How can I
freeze the screen during boot - keys?)

Norton Ghost can CHKDSK and found no problems. I have tried to "restore"
WinXP from install disk but it says it cannot find any disks during startup.

From Norton Ghost I copied MBR and a text message buried in the binary
says - "Invalid partition table error loading operating system Missing
operating system"

How can I restore/repair/replace MBR or partition so I can either fix or
re-format & rebuild.

THX in advance--

*****************
John Lenz
(e-mail address removed)
 
Ad

Advertisements

F

Falco

Top Posting corrected to maintain flow.


Rich said:
John, you can use the Recovery Console which is part of the WinXP
CD. Check here for more Info
http://support.microsoft.com/kb/307654


John,

And *ignore* the 'dire' warning that will appear and just press enter to fix
the MBR at the relevent stage of the repair - your system will be ok after.

This is a known 'bug' in the "fixmbr" repair procedure - if you are unsure,
copy the warning message, paste it into google and you will find the answer.

Falco
 
J

John L

Issue:

When I get to the "Welcome to setup" screen, I choose "R" but get the same
message ... no disks found; F3 Exit.

How do I get around this to fix the MBR?

THX
 
D

David H. Lipman

From: "John L" <[email protected]>

| Issue:

| When I get to the "Welcome to setup" screen, I choose "R" but get the same
| message ... no disks found; F3 Exit.

| How do I get around this to fix the MBR?

| THX

You said a "virus" corrupted the MBR.

Please be specific -- What virus ?
 
S

Singapore Computer Service

Hello,

Switch on your computer and keep hitting F8 until you get a menu titled
"Windows Advanced Options Menu". If you see the XP loading progress bar, you
missed it and will have to try rebooting again.

If there is only one option in that menu, hit F8 again.

In this menu select 'Disable automatic restart on system failure', Enter,
Enter and you should be able to view the full blue screen error when it
occurs again. Post back the message here and we will be able to help you
better

__
http://www.bootstrike.com/ComputerService/
Singapore Computer Home Remote On-Site Repair Service
http://www.bootstrike.com/VHSVideoConvert/
Video Conversion VHS Video8 Hi8 Digital8 MiniDv NTSC PAL
 
Ad

Advertisements

G

Gerry

John

Please post a copy of the Stop Error report?

Disable automatic restart on system failure. This should help by
allowing time to write down the STOP code properly. Keep pressing the F8
key during Start-Up and select option - Disable automatic restart on
system failure. Do not re-enable automatic restart on system failure.

Do you have important data you need to recover. If yes you should do
this before attempting a repair. Do you have access to a second
computer?

--


Hope this helps.

Gerry
~~~~
FCA
Stourport, England
Enquire, plan and execute
~~~~~~~~~~~~~~~~~~~
 
J

John L

Thanks for this option.

Error message says

Problem has been detected and windows has been shut down

Check for virues. Remove any newly installed hard drives and controllers.
Checnk your hard drive to make sure it is properly configured and terminated

Error code 0x0000007B (0xF889C528,0xC0000034,0x00000000,0x00000000)

I did run CHKDSK from Norton Ghost, 60 GB HDD and it took 36 hours to
complete but found no errors.

From Norton Ghost I was able to move to my server the data folders.

The laptop is partitioned into 4 logical drives (Don't know why)

This is my firiends laptop.
 
S

Singapore Computer Service

Hello,

This could be caused by a hardware change. Check the BIOS settings to ensure
the hard disk mode is set as it should be (e.g. IDE, Enhanced IDE, Sata,
AHCI).

Microsoft has a length KB article at http://support.microsoft.com/kb/324103
which points to device driver and hardware conflicts.

Another solution provided here -
http://benosullivan.co.uk/windows/are-you-getting-stop-0x0000007b-error-in-windows-xp/ -
__
http://www.bootstrike.com/ComputerService/
Singapore Computer Home Remote On-Site Repair Service
http://www.bootstrike.com/VHSVideoConvert/
Video Conversion VHS Video8 Hi8 Digital8 MiniDv NTSC PAL
 
P

Patrick Keenan

John L said:
Issue:

When I get to the "Welcome to setup" screen, I choose "R" but get the same
message ... no disks found; F3 Exit.

This might happen if your system has SATA drives and a controller that is
set to AHCI mode and requires drivers.

Boot to the BIOS, look for the drive controller settings, and set it to
Legacy. Save, reboot, and the drives should be seen.

After you're done, reverse the setting.

HTH
-pk
 
J

John L

That was it. The BIO had a SATA setting to native enable . When I set to
disable - legacy, it booted right up.

THX again
 
Ad

Advertisements


Ask a Question

Want to reply to this thread or ask your own question?

You'll need to choose a username for the site, which only take a couple of moments. After that, you can post your question and our members will help you out.

Ask a Question

Top