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When I boot my Windows 7 computer it asks for the boot disk. I put that in and it boots fine.

When I boot without it, I go into BIOS and it can see the HDD. So I boot from the disk and restart and there it is. I can restart it and it's fine.

So I thinking it might be the CMOS battery. Is there a way to test this without opening the computer? Its running win 7.

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Your question does not really make sense. It asks for a boot disk, then you put that in and then boot without it? Then you boot from it again? Could please edit it and clarify what you mean? – slhck Sep 14 '11 at 19:13
it boots with the disk fine then if i take the boot disk out it will boot off hdd fine for a bit then stop working. i have fixed it now it was a bad CMOS battery. – 1ftw1 Sep 15 '11 at 4:25
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closed as not a real question by slhck, ChrisF, techie007, Stephen Jennings, Tom Wijsman Sep 15 '11 at 8:54

It's difficult to tell what is being asked here. This question is ambiguous, vague, incomplete, overly broad, or rhetorical and cannot be reasonably answered in its current form. See the FAQ for guidance on how to improve it.

1 Answer

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You should be able to see the CMOS battery voltage in the BIOS PC Health section - if it's not at least 2.8V, the battery may need replaced.

Reference: is there any way to test my cmos battery?

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my BIOS dose not have a PC Health section i had already looked for that. i have fixed it now it was a bad CMOS battery. thaks for the help. – 1ftw1 Sep 15 '11 at 4:26
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