Sata controller bios issue

February 29, 2012 at 17:38:43
Specs: vista, amd 64x2
sata/controller hp Pvailion laptop dv6700 more specifac dv6919ca. This is rare...stumped. Known lemons. A client brought this to me and I suggested she buy a new one as these are notoriously flawed. It seemed to run ok when I examined it...no issues...she had complained "it was saying...no operating system found", but it never happened when I looked at it and the hard drive passed all tests...never missed a beat. Two days later she is back same issue....turn it on....yepper no OS found. Then she gets a new one. So I have been playing with this pain. Had a WD(sata) H/D with the funky adapter to lay flat on the board. I swap this out with a known good wd250sata..put the adapter on....not picked up either...neither the original nor this sees it in the bios or any version of windows xp-vista-vista64-win7-winx64...zippo. Originally came with vista, think 64bit. This gem has the bios that allows very limited changes of which sata control is not available. BUT I put a Toshiba h/d in this thing and bang...way it goes...trouble is the toshiba is not a good drive(bad sectors). None the less it did struggle through a vista install which while terribly slow and painful, did function. So I (since I didnt care anyway) I downloaded and flashed the bios with the latest for this model hoping for more options, flash luckily went ok....but no more options and still no sata/hd options. I have loaded various sata drivers (its amd), but I even tried the intel ones listed when all else failed. I have loaded many a sata driver...no issues, but I am absolutely stumped why the bios picks up a toshiba hard drive but neither western digital...the original make in this?

From what I see, this should not require these the sata driver save for xp....but while the drivers loaded...no hard drives were visible. The bottom line I think is until the bios picks the h/d up....the O/S won't either.


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#1
February 29, 2012 at 20:00:17
I do not know what 'funky adapter" it is (IDE to SATA adapter or SATA card) but THAT shouts to be to be the main issue here (unless the wire sets involved are bad) and you should try another one to verify that that is the issue (or roll it back to an IDE drive).
Note: I just looked back and it is a laptop so I am not sure what type of adapter it could be, but it, or one of the wires involved are probably the problem here.

You have to be a little bit crazy to keep you from going insane.


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#2
February 29, 2012 at 20:18:27
notta fingers......it just takes the sata and makes them wired to fit in a wired sata slot...and it works on the toshiba h/d. There is no ide, nor can those settings be adjusted in the bios. Taking all the help I can on this.....I could get a toshiba h/d, but the mystery here is killing me. I even thought maybe the bios was old enough to maybe not recognize a 250g drive....but that's not it either. The adapter is made to fit on any sata drive to make it fit into this wonderful laptop. The adapter was on the origianl h/d and it is the only way to connect by design and all the wires look good.

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#3
March 1, 2012 at 09:03:13
See replacing the hard drive from the linked manual on drives.
I suggest you run a hard drive fitness test on the drive/s you are having problems with.

http://bizsupport1.austin.hp.com/bc...

You can also look at Using advanced Setup Utility features in the link below.

http://bizsupport1.austin.hp.com/bc...


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#4
March 1, 2012 at 10:29:46
lol......I already did the diagnostic on the hard drive no issues....and it was seen then not seen on the laptop. As I say initially it never erred at all in my first run the diags for this lady, but then she brought it back. So it seems something was flakey to say the least. The other wd250 has also been tested, and I bought myself a new 500g hd for my laptop and it was my 250g that worked fine and still works fine. The instructions posted are of no help.....I am an engineer.......have installed 1000's and done sata drivers, pick a bios...unamit, but this has me puzzled. I have access to most anything so for gigglesI will go get a hd not WD, and known good as the toshiba drive that is recognized is pretty much done. Thanks for trying.....penny for anyone's thought? If I solve this I will let us all know. The crappy bios options are part of this....hp first solution....change this setting (not available on vista models) big help. lol

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#5
March 1, 2012 at 15:49:52
If you looked at the links there are some Advanced options available.

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#6
March 1, 2012 at 16:12:28
@OtheHill I did look at your links.......other than navigating the bios basics etc I did not see anything......am I missing something? One is replacing a laptop hard drive....the other shows the features of the bios....the advanced options on this unit are very limited and not helpful to my problem.....unless you think there is something I missed?

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#7
March 1, 2012 at 16:45:22
The following is from page 8 of the second link.

Using advanced Setup Utility features

This guide describes the Setup Utility features recommended for all users.

For more information about the Setup Utility features recommended for advanced users only, refer to Help and Support, which is accessible only when the computer is in Windows.

I am not sure if that will be of any help because, of course, I can't view it.


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#8
March 1, 2012 at 16:55:46
read that.......of no help, the bios has very few features that can actually be changed and none relate to the hard drive suffice to say.....it will show if one is installed or not, but nothing you can change. Those are tips for beginners. So the hard drives are good, I cannot change the bios setting to make it recognize the hard drives, is there any other advice???

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#9
March 1, 2012 at 16:59:44
In short why does anyone suppose a toshiba sata hard drive is recognized but 2 known good sata's are not picked up at all????? Frankly, I think something in the actual controller is whacked.

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#10
March 1, 2012 at 17:00:46
Some OEM laptops have secret keystrokes to get to advanced settings. I thought that might be what the help might tell you.

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#11
March 1, 2012 at 17:07:49
@OtheHill, ya I hear ya there........but in this case it has a really crappy basic bios. You can change the boot order and not much else, by design, that is why I hoped flashing the bios may have given me some more options, but not so. I'm going to use yet another hd and see what this does for it. Thanks OtheHill appreciate it.

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#12
March 4, 2012 at 07:55:15
Well after some more testing.......sometimes it pays to go with instinct and experience. Generally speaking 99.99999% of the time, if I can't fix it, it's truly broke. While I don't wish to waste anymore time on this unit, I did give the right advice to the lady....go get a better one! These AMD 64x2 models were notoriously bad for being flakely from overheating due to poor design. But moreover this is either a flakey controller or motherboard either one isn't worth spending a nickel on. Spare parts!
Thanks all for your thoughts. Keep your hair short enough so you can't rip it out!!!

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