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Please do not post questions about data recovery cases here (use this forum instead). This forum is for topics on finding new ways to recover data. Accessing firmware, writing programs, reading bits off the platter, recovering data from dust...WD600BB-75CAA0 ticking!
January 12th, 2010, 11:04
Afternoon all,
I am having a bad day with a problematic Western Digital!
The HDD in question has been to another DR company who say that they have only swapped the PCB for a similar model and done nothing else.
The drive appears to have an electronics problem as the drive is not spinning up, nothing gets warm and PC3000 cannot see it in safe mode although I cannot see any damage to PCB.
I tried an identical PCB and the drive spun up with constant head ticking that doesn't stop (four ticks > short pause > four ticks > short pause etc.)
I swapped FW to new board and it does exactly the same thing.
Looking at the heads, they are in perfect condition, (Head0 - 41ohm; Head1 - 39ohm, Head3 - 39ohm) and the pre amp is fine.
The platter surfaces have no physical damage although I have not tried looking for magnetic corruption.
I don't have a great deal of experience with these older WD's so any assistance is appreciated - all I ever get to work on are classic bad heads, seized bearings (Seagate 1.5TB last week!
) and head crashes!!
Let me know if you want more details.
Thanks,
Tim
I am having a bad day with a problematic Western Digital!
The HDD in question has been to another DR company who say that they have only swapped the PCB for a similar model and done nothing else.
The drive appears to have an electronics problem as the drive is not spinning up, nothing gets warm and PC3000 cannot see it in safe mode although I cannot see any damage to PCB.
I tried an identical PCB and the drive spun up with constant head ticking that doesn't stop (four ticks > short pause > four ticks > short pause etc.)
I swapped FW to new board and it does exactly the same thing.
Looking at the heads, they are in perfect condition, (Head0 - 41ohm; Head1 - 39ohm, Head3 - 39ohm) and the pre amp is fine.
The platter surfaces have no physical damage although I have not tried looking for magnetic corruption.
I don't have a great deal of experience with these older WD's so any assistance is appreciated - all I ever get to work on are classic bad heads, seized bearings (Seagate 1.5TB last week!
) and head crashes!!Let me know if you want more details.
Thanks,
Tim
Re: WD600BB-75CAA0 ticking!
January 12th, 2010, 12:04
what happens after hotswap?
Re: WD600BB-75CAA0 ticking!
January 12th, 2010, 12:23
PalmerData wrote: I am having a bad day with a problematic Western Digital! Tim
I think I am having a Dejavu, I know exactly how you feel
You've got PM
Re: WD600BB-75CAA0 ticking!
January 12th, 2010, 14:11
HDD Spaz wrote:what happens after hotswap?
Annoyingly the new drive won't accept standby command, using either PC3000 or our in house tool.
I have now tried a new set of heads and it still does the same thing, the heads just bang continually! The new heads are back into the new drive and are still working ok.
I could tell the customer that it's a classic case of WD head alignment - they are getting used to hearing that!
Re: WD600BB-75CAA0 ticking!
January 12th, 2010, 15:22
I think its an alignment problem. Considered outsourcing to a company that can deal with that issue?
Re: WD600BB-75CAA0 ticking!
January 12th, 2010, 15:33
im think had missalignment , can u check if reach Servo ? i had similar case if u want
Contact me on MSN
Contact me on MSN
Re: WD600BB-75CAA0 ticking!
January 12th, 2010, 19:30
He has not replaced heads till now, at least did not mention. So alignment problem can be sorted out.
I would vote for preamp damage, though it might seem fine.
An MHA replacement would help with preamp..., but obvously it would raise some other problems
pepe
I would vote for preamp damage, though it might seem fine.
An MHA replacement would help with preamp..., but obvously it would raise some other problems
pepe
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