HP Laptop invariably freezes after startup

January 8, 2011 at 06:52:22
Specs: Windows 7 x64
I have been having trouble with my HP Pavilion tx2690 for a while now. These problems have been a nuisance, but not debilitating. These errors have been thing like performance dips, the occational freeze and a strange "ka-click" sound which I can only assume comes from the hard drive. Recently however, it has effectively died on me. The symptoms of are the following.

Shortly after windows startup, the laptop will freeze up completly. This is accompanied by an indication that the hard drive is at constant activity (the indicator is solidly lit). Rebooting in safe mode suffers the same problem, with the freeze sometimes occuring before the login-screen is presented.

I have attempted to use the onboard HP Hard Drive Diagnostics Tool in the BIOS to check for errors in the harddrive, but this test also freezes after a couple of seconds.

The one time that safe mode managed to start, I attempted to perform a system restore, which subsequently froze. The startup repair ulility also freezes at some point.

I have performed tests on the system RAM (using onboard HP Memory Diagnostics & Memtest86) and found no errors.

My current thought is that the hard drive is to blaim.

Back when the laptop was usable, I performed some basic test on it, but found nothing conclusive. No damaged sectors or the like. Perfomance-wise I have noticed that the hard drive activity often rapidly went from maximum activity to zero and back up to max when the drive was busy.

Assistance would be greatly appreciated.

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January 8, 2011 at 15:12:22
Sounds like a hard drive failure. Clicking noises and freezing are a sure sign.

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