boot up problem

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Guest

After one shut down I could not boot up the machone with XP pro. I went into
bios and found that all settings have changed. I reset the bios to default
setting. Now when I
try to boot, it goes almost upto the point of displaying my work space and
just befor that
the computer restarts. I tried to boot from the XP CD in the safe mode. The
screen takes me to the selection screen and then stops responding. Is is a
virus problem? MBR problem?
How can it be solved or where should I start from? PLEASE HELP

suman
 
suman said:
After one shut down I could not boot up the machone with XP pro. I
went into bios and found that all settings have changed. I reset the
bios to default setting. Now when I
try to boot, it goes almost upto the point of displaying my work space
and just befor that
the computer restarts. I tried to boot from the XP CD in the safe
mode. The screen takes me to the selection screen and then stops
responding. Is is a virus problem? MBR problem?
How can it be solved or where should I start from? PLEASE HELP

suman
Click to expand...

It sounds like you are having a hardware problem. Here are general
hardware troubleshooting steps:

1) Open the computer and run it open, cleaning out all dust bunnies and
observing all fans (overheating will cause system freezing). Obviously
you can't do this with a laptop, but you can hear if the fan is running
and feel if the laptop is getting too hot.

2) Test the RAM - I like Memtest86+ from www.memtest.org. Obviously, you
have to get the program from a working machine. You will either
download the precompiled Windows binary to make a bootable floppy or
the .iso to make a bootable cd. If you want to use the latter, you'll
need to have third-party burning software on the machine where you
download the file - XP's built-in burning capability won't do the job.
In either case, boot with the media you made. The test will run
immediately. Let the test run for an hour or two - unless errors are
seen immediately. If you get any errors, replace the RAM.

3) Test the hard drive with a diagnostic utility from the mftr. Download
the file and make a bootable floppy or cd with it. Boot with the media
and do a thorough test. If the drive has physical errors, replace it.

4) The power supply may be going bad or be inadequate for the devices
you have in the system. The adequacy issue doesn't really apply to a
laptop, although of course the power supply can be faulty.

5) Test the motherboard with something like TuffTest from
www.tufftest.com or PC Doctor. Sometimes this is useful, and sometimes
it isn't.

Testing hardware failures often involves swapping out suspected parts
with known-good parts. If you can't do the testing yourself and/or are
uncomfortable opening your computer, take the machine to a professional
computer repair shop (not your local equivalent of BigStoreUSA).

Malke
 
Thanks a lot Malke. I have been able to make it work by doing something
different. I do not know the logic but it works. I removed the CPU battery
and put it back after a few minutes.
I also checked all of the hardwere connections by just pushing them with my
fingure.. After that, it just booted fine.

My logic was that the bios has been disturbed some how. May be I should
reset the bios completely by removing the battery.

Strange things happen!
 
suman said:
Thanks a lot Malke. I have been able to make it work by doing
something different. I do not know the logic but it works. I removed
the CPU battery and put it back after a few minutes.
I also checked all of the hardwere connections by just pushing them
with my fingure.. After that, it just booted fine.

My logic was that the bios has been disturbed some how. May be I
should reset the bios completely by removing the battery.
Click to expand...

Maybe the battery wasn't making a good connection. It couldn't hurt for
you to buy a new one. They are less than $4usd.

Malke
 
I had the same problem. Found that the power connector to the HD was
intermittent. Pushed hard on it and now all OK. I had noticed when my BIOS
got changed it was no longer reconizing the boot up HD.
 
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