Question about Seagate Barracuda 7200.7 ST380011A 80 GB Hard Drive
When my hard drive is in the computer my computer wont turn on at all it only turns on with out it but i have no memory in the computer so i cant use it
Segate drives are prone to blow the diode between 12V and ground. When this shorts they draw masses of power (I have one which was smoking & drawing about 250W) and then the PSU won't start because of the short.
Put a meter over the small square diode marked something like BUX C??? (? are three numbers but they differ between drives) it should be about 10KO if it's more like 1 ohm then you have a short.
Clip it out & the drive will run, but it's a "penny in the fusebox" method - use it to recover your data only.
Clip it out & replace it with something like an SMD 1N4004 & you'll be back in business.
Posted on Sep 08, 2008
Tips for a great answer:
WARNING: Before you start troubleshooting remember that you are dealing with electricity that can KILL.
Only work inside the computer case when the power has been switched off and disconnected. Never open the power source.
Some of the below steps recommend removing physical parts within the computer. While in the computer it is highly recommend that you be aware of ESD and its potential hazards
Remove the memory modules from their slots.
Take the opportunity to clean the slots on the motherboards and the memory module connectors.
Use compressed air to blow dust away and clean contacts with a soft cloth.
Do not use a metallic vacuum cleaner if it touches any component it may create a short and cause damage to the motherboard or other components.
Do not use solvent that may attract dust and never poke things like cotton buds in to slots. lightly rub an alcohol on a cloth not to hard let the alcohol do the work on the copper gold or silver tabs and r
Allow the pins to dry. They will air dry in a matter of minutes
If reseating the memory did not resolve the issue try swapping the location of the memory.
If you have only one stick of memory in the computer try moving it to another slot and then boot the computer.
Check the memory module and memory slot contacts.
They are either copper tin or gold.
The colour will tell you which they are.
Mixing tin and gold can result in corrosion that prevents proper contact.
Look for any sign of physical damage to the memory module, memory slots or the motherboard.
Reseat the memory modules.
You should hear an audible click when they are in place.
Do not use too much force to reseat the memory module in to the slot this can cause damage to the module, slot or motherboard.
Hope this helps
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