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Can a faulty Cmos battery cause a laptop to not start up

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MJEarl Posts 6 Registration date Sunday 26 January 2014 Status Member Last seen 4 August 2014 - 2 Aug 2014 à 04:32
MJEarl Posts 6 Registration date Sunday 26 January 2014 Status Member Last seen 4 August 2014 - 4 Aug 2014 à 09:56
My Acer Aspire 5542G takes 3 or 4 'switch on' attempts to start each day. I know the Cmos battery is not working properly because I lose time if the laptop is off for more than 2 days. The problem is: Acer Cmos batteries are extremely difficult to replace and I don't want to go to that expense if it won't help with the start-up. I can live with an 'incorrect' clock - it's easy to fix.
Thanks
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Ambucias Posts 47312 Registration date Monday 1 February 2010 Status Moderator Last seen 28 March 2026 11,166
2 Aug 2014 à 07:22
Having to start your laptop repeatedly may corrupt your OS and cause wear to your HD.

A Cmos battery will cost you a maximum of $10 USD or 100 ZAR.
MJEarl Posts 6 Registration date Sunday 26 January 2014 Status Member Last seen 4 August 2014
3 Aug 2014 à 03:43
Hi Ambucias, thanks for the reply. The 'expense' of replacing the Cmos battery lies in getting to it. For Acer laptops, the whole machine has to be stripped down to the mother board. I watched a video off the internet by an expert who took an hour to do it.
But if you think it's my HD that's causing the problem, then I'll replace it. But, won't I lose all my OS and Windows programmes? I have saved my User folders, should I also save my Windows and OS progs?
Ambucias Posts 47312 Registration date Monday 1 February 2010 Status Moderator Last seen 28 March 2026 11,166
3 Aug 2014 à 06:25
Yes, you should save all you can.

Good luck
MJEarl Posts 6 Registration date Sunday 26 January 2014 Status Member Last seen 4 August 2014
4 Aug 2014 à 09:56
Thanks, The laptop goes in tomorrow

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