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A friend gave me his Dell Latitude C840 model PP01x to see if I could speed the old thing up. I tried to add more memory that didn't work so I put back the one little memory chip in the A slot and now the computer says it can't see a hard drive or optical drive. I pressed F1 and went into set up and it says "no hard drive" I tried pressing F12 and it says no hard drive there. It was working before I pulled the memory chip out and put it back in. It is in snug and the correct way.


 


I need help as I hate to tell my friend his old computer and all the pictures on the drive are gone.


 


thanks


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Trying removing the hard drive and putting it back in.


 


I would also check the CMOS battery as that could effect it seeing the hard drive though unlikely.


 


Also if you have a way of hooking the drive up to your system try that as it give you a better idea if its working or not that way plus you should be able save the pictures


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Trying removing the hard drive and putting it back in.

 

I would also check the CMOS battery as that could effect it seeing the hard drive though unlikely.

 

Also if you have a way of hooking the drive up to your system try that as it give you a better idea if its working or not that way plus you should be able save the pictures

I tried the removing of the hard drive, didn't help. I looked at the hard drive but it's not IDE or Sata that I can tell and it won't fit in my external cases I have which are Sata cases.

I left it charging all night and the same is happening today. I did the dianostics and it says it still can't see hard drive. I looked in CMOS and it doesn't show a hard drive listed and it won't let me make any changes to the hard drive setting.

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Well according to a sell sheet its EIDE/ATA, though it may have an adapter of some sort on it that makes it work with whatever interface Dell used.


 


Can you tell if it spins up or not?


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It is possible that you somehow disabled the hard drive in BIOS with your misuse of the F12 Function. Enter BIOS Setup with F2 and go to page 2 with Alt+P. See if the internal hard drive shows a line entry and has an arrowhead at the left end. If no arrowhead, the drive is disabled; highlight the line with the U-D arrow keys and press the space bar to enable the drive.


 


On the Latitude C800 series, the Fixed Optical device is slave to the hard drive, and if the hard drive is not present or recognized, neither will the optical drive be recognized.


 


Just to clarify something. The hard drive and the side CD drive share the same IDE channel and they both must be good for the unit to boot without the message and or boot at all. I suggest you remove the side CD drive and see if the message goes away. If it does then the side CD drive needs to be replaced and NOT the hard drive. If after you remove the side CD drive, you still get the message then it maybe the hard drive that is broken.


 


If it is not that, both drives and the memory ram are completely engaged in the laptop; you may have had a failure of the motherboard.


 


... Let us know how it works out.


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