Should I upgrade my kernel?

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http://askubuntu.com – I've recently run into an hd0 out of disk error and was not able to boot Ubuntu. I have tried all the recommended fixes I've found on-line but none were successful. So I had no choice but to reinstall Ubuntu Precise Pangolin LTS 12.04 on my machine. Based on previous experience, every time I do an update or upgrade my kernel, I ended up reinstalling Ubuntu because I'd either get a hd0 out of disk error or grub rescue error or my partitions would be messed up. So my question is, should I update or upgrade kernels? The default kernel on a fresh Precise install is 3.2.0-23-generic-pae. Upon ins (HowTos)