Question about HP Pavilion zt1170 Notebook

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HP zt1170 freezing, blue-screen, IRQL errors, etc

My HP zt1170 has some problems. I bought it at a refurb computer place and it seemed to be fine there. A couple days later it started to blue-screen when it got bogged down, so I checked into the ram- they claimed it had 256 in it - I found a 128 under the keyboard and n the rear slot a Viking pc100 C01062 - which i believe is 64Mb. After reading the hp repair manual for my laptop, I purchased 512 ram which I put in the slot under the keyboard (I left the viking ram in place). It seemed to start up faster and I managed to install XP from CD - but when I was installing updates from the windows website, it froze. After restarting it a couple times (sometimes I didn't get the boot screen with the HP logo and press F2,F10 etc) I decided to try to reinstall XP by wiping the drive. It got thru the product code and began installation but froze 1/2 way thru 'installing network'. Most of the blue screen errors I have seen are 'IRQL not less or equal' - and the reference numbers are almost always different. The HD is Hitachi 20gig, CDRW/DVD Rom is a Matsushita. I have been trying with no success to get this computer working for a week now. Help would be appreciated.

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First of all, I recommend you to try using the Notebook with the RAM you had purchased...and remove the preinstalled ones.

Try using the 512 MB of RAM you had purchased by inserting it into the other slot if you receive Bluescreens with the RAM installed in one slot.

If you receive the same Bluescreen errors again and again, the issue can be with a damaged Hard Drive which might be having some bad sectors.

Additionally, IRQL not less or equal error message you receive indicates that few of the Device Drivers you had installed are incompatible.

Check them if you are downloading and installing the required drivers from any third party website other than from HP.

Hope this helps...

Posted on Aug 20, 2008

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