HP Pavillion dv9000 summat, Feature

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[Ray]

For the last couple of days I've had snags booting. i would get the screen with the F options at the bottom, change boot sequence etc, but then just a flashing cursor top left, constantly. If i shut down and rebooted, it worked.

Today it would not boot at all, just the flashing cursor.

After a bit of faffing with external drives and stuff i got the message, "the boot selector failed because a required device is inaccessible"

I changed the boot sequence to make the hdd first, and now all seems ok.

I did note that the time was 3 hours fast after all that, and KIS2012 is not working.

Off to look at KIS and Event Viewer.

System Restore fails no matter which restore point I choose.

 

 

 

[Derek]

sounds like flat mobo battery, so losing bios info
that, in theory, shouldn't happen with a laptop but it does and some laptops have changable bios batteries & some don't 

But that can also be caused by a faulty or damaged charging or thermal/overheat sensor or the main laptop battery being close to end of life

The other problem can be the hard disc startig to fail. whichever way , unfortunately it doesn't look good & is very likely to mean spending £££

[Richard]

If it's a changeable bios battery, you can buy them very cheaply from 7dayshop - the most common type is £5.39 for a dozen, delivered.

http://www.7dayshop.com/catalog/product_info.php?cPath=777_3&products_id=108538

[Ray]

Thanks peeps, I have shedloads of the bios batteries, the hard drive is a couple of months old, but the main battery is pretty buggered, so that may well be the culprit.

  for the feedback.

 

If it happens again, should I shutdown, remove the battery, plug in the mains adaptor and see what occurs. 

[Ray]

KIS now fine.

 

[Derek]

If it happens again, should I shutdown, remove the battery, plug in the mains adaptor and see what occurs. 

It is worth a try to see what happens

[Casper the Ghost]

If it's a changeable bios battery, you can buy them very cheaply from 7dayshop - the most common type is £5.39 for a dozen, delivered.

http://www.7dayshop.com/catalog/product_info.php?cPath=777_3&products_id=108538

But most laptops do not use that type of battery - they use the MR version which is the rechargeable one. Stick a CR battery into a socket that uses a MR one and it could very well go bang!

Besides that the 2032 size is not very common in laptops - they tend to use the smaller sizes. If you are lucky you can change it, if you are not it may be soldered onto the board and is a real pain to change.

Sounds like a dodgy battery to me too.

[Richard]

Sounds like a dodgy battery to me too.

Not what he'll have wanted to hear - if it is the soldered-in type it'll be a right balls-ache 

[Derek]

Bios Battery is a special part only from HP
see  service guide  http://h10032.www1.hp.com/ctg/Manual/c01311536.pdf
look for section 5.7

[Ray]

Thanks everyone, problem has yet to reoccur.

 

 

[Richard]

Bios Battery is a special part only from HP

Now there's a surprise... 

[Casper the Ghost]

Bios Battery is a special part only from HP
see  service guide  http://h10032.www1.hp.com/ctg/Manual/c01311536.pdf
look for section 5.7

It's just going to be a coin battery with two wires soldered to it with a HP label stuck onto some shrink plastic wrapping. At least it plugs into the mobo.