Hello, I have just recently aqquired a laptop for christmas, now, when I first got it out, it worked great for about an hour, no strange noises etc. etc.
However, it then suddenly froze on the shutdown, after this it just kept making a clicking noise, and saying "operating system not found", no other options, nothing to press etc., no boot.
Now, I read somewhere that taking the hdd out, and putting it back in again sometimes helps, I did this once, and no change, however, on doing it a second time it booted fine, no clicking, and it passed scandisk twice with no clicking. It ran for about two hours, with shutdowns working fine etc.
However now, it has stopped again - no boot. I am pretty sure that the hdd needs replacing (at a cost of around £40), however, before plunging in would just like to ask if it could be anthing else, if there is anything I can do to fix it at home, and whether there is anything in particular I need to be looking for when I buy (buying new) (except 2.5in, and around 15gb+)
...with a laptop, taking the 'main' battery out for a couple of minutes can cure all manner of evils (but please don't ask why!). That happens with mine once in a while, and that's the best cure that I've found.
As woodchip says, sometimes - especially if the CMOS battery for the BIOS is a little low, it can lose those settings. And my BIOS is a devil to sort out - but not needed to go that far yet. I've found that mine gives the worst boot up problems if it's cold in my 'study' and it's been off for a while - a sure sign of the CMOS battery getting low (I'm dreading the time when I have to bite the bullet and change it - and then set up the BIOS from scratch again!).