Drive not detected by BIOS

E

eponch

New Member
Hello everyone,

I have a new WD 500gb drive which has stopped being detected by BIOS. It was working fine with Windows 7 until recently. Everything stopped responding so I restarted but the drive was missing.

Opened the case to check connections and swapped the position with another drive (have a dual boot with XP). Drive appeared but I don't know why, then ran start up repair from Windows 7 disc.

Worked again but everything would stop responding every now and then until a blue screen appeared with:
KERNEL_DATA_INPAGE_ERROR
*** STOP:0x0000007A.

Wouldn't restart in safe mode, gets stuck at CLASSPNP.SYS. Searched these error names but I can't find anything on getting the drive detected so I could try formatting or start up repair again.

Tried auto detect in BIOS but didn't work and drive isn't visible in XP's disk management.

Any help would be greatly appreciated. Big thanks in advance.
 
Hi John, thanks for quick reply

I tried booting from Data Lifeguard Diagnostic as well as Seagate's sea tools when it first happened also tried a program called Test disk. None of them see the drive. I can't copy the data because I can't access the drive.
Drive was made this year and has been running fine. Some sites have suggested a corrupt partition table or boot sector on the drive from a virus (I just run Avast free anti virus, maybe it's not enough?).
Do you know of any other ways to get it recognized?

Thanks
 
If you can't access the drive and none of the testing programs can see it then the drive is basically dead and the data would need to be professionally retrieved. Find a data retrieval company in your area.
 
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