Solved How do I check power and data cables from/to internal HD

May 12, 2017 at 17:42:07
Specs: Windows 7
I can't access Windows 7 home premium OS, and guess it is something to do with the hard drive. I cannot get BIOS or any bootable rescue software to recognise the hard drive.
Before I replace it, is there an easy way to check the data and power cables to ensure the problem doesn't lie there?

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#1
May 12, 2017 at 18:11:25
Not sure what kind of computing environment you're in if the cables are moving enough for this to be an issue, but you can use a multimeter. For power, orange wires are 3.3V; red is 5V, yellow is 12V, and black is ground. Obviously you'll need to test it while the PSU is on. For the data, you can check the pins for continuity. Anything more in-depth would require specialized equipment that'd cost more than the replacement drive.

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#2
May 12, 2017 at 18:31:33
Thanks for that, but I am just looking for a way to check the cables for any obvious defects and check the connections.
Easy being the operative word. Before I replace the hard drive I would like to make sure it isn't a simple loose connection, but I am not sure how to go about this.
The laptop is a Toshiba Satellite C660 (sorry I assumed this would appear with the question).

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#3
May 12, 2017 at 18:51:32
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Oh, it's a laptop? In that case there's no cable to check. The connector is mounted directly on the main board.

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#4
May 12, 2017 at 19:02:12
Ok, that's something I didn't know, so thanks very much.

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