Question about Computer System Cooling
I have an older laptop, a Toshiba A45-S151 and it has recently developed a bad fan problem. Either the fan does not work at all or when it does it runs extremely loud. I believe the bearings to be worn out from the 3 years of constant usage.
Unfortunately I cannot seem to find any documentation anywhere showing me how to access the main fan. I've pulled the thing as far apart as I could figure out to do without detailed specs (Toshiba's idea of 'detailed specs' is laughable) or diagrams and still have not been able to get into that small compartment.
I've upgraded the RAM and the HDD in the past, I've also cleaned the heat sink and 'cleaned' the inside with compressed air from time to time. Oh, and I've applied new thermal grease to the heat sink twice in the past. This knowledge however does not extend to getting to the fan.
Do you know of any documentation that could help me see exactly what I am doing wrong so I am no longer prohibited from replacing that part?
Don't think you will find any documentation online to help you disassemble. Unless someone around here has some Toshiba field service manuals in pdf form.
Sounds like you just need to replace the fan. They do go bad over time. Also, don't used high pressure compressed air to clean out a fan. Unless you hold the fan still using a small screwdriver. The compressed air, if too much, will ruin a fan's bearing if you let it spin freely while blowing out. The canned compressed air showed be ok though.
You can search on ebay for a replacement fan, might be used though. Could do a google search for a new one. Somewhere like Notebookparts.com.
And I think the A45 may have two fans in it. If you can get inside of it, which sounds like you have allready, then you should be able to easily identify the fan(s).
Posted on Oct 29, 2007
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Welcome to FixYa! Based on the error you have received, this means that the cooling fan of your laptop needs to be cleaned and checked at. This is a common problem with any toshiba laptop. I suggest checking the heatsink of your laptop. If the CPU heatsink is not clogged with dust and lint completely, you can use canned air and just blow it inside the laptop through the openings on the bottom and on the sides. It's nice as a precaution measure, but it might not work if your laptop already has a problem and the heatsink is completely clogged.
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