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From: Jeff Strickland on 24 Dec 2009 11:44

"Baron" <baron.nospam(a)linuxmaniac.nospam.net> wrote in message
news:hgt0mf$4h2$1(a)news.eternal-september.org...
> JD Inscribed thus:
>
>> JACK wrote:
>>>
>>> My Compaq 6735s laptop suddenly just switches off. doesn't shut down
>>> or anything, just goes off. I'm assuming it's overheating although I
>>> can hear the fan come on so other suggestions welcome. How easy is it
>>> to change the fan?
>>> It's used for about 14 hours a day, connected tot he mains with the
>>> battery removed.
>>
>> Hi jack
>>
>> it could be overheating as you say, as for changing the fan thats
>> quite a big job you will need to dismantle the whole laptop and thats
>> no easy task, you can try using an "air duster" to blow the crud out,
>
> I agree your machine probably is overheating ! The fan is unlikely to
> be the problem insomuch as its the fluff that gets dragged into the fan
> and blown into the heat exchanger.
>
> Blowing air back into the outlet may remove most of the fluff by
> ejecting it back through the fan inlet. But take care not to cause any
> damage to the fan by using too much pressure.
>
> On some of these machines, I don't know the particular model you have,
> there is a removable panel that exposes the fan & heat exchanger. If
> there is, removing the panel will give limited access.
> Underneath there will be a self adhesive plastic cover between the fan
> outlet and the heat exchanger inlet. You can carefully lift one edge
> of this cover and pick the fluff out with tweezers.
>
> Do take anti static precautions if you decide to go this route.
>
>> you can also get laptop coolers, these are metal plates the laptop
>> sits on which have inbuilt fan's.
>>
>> I'd also check that the power supply it may be going faulty, or there
>> could be a break in the wire as you have no battery in the laptop if
>> the power cuts out for even a second the laptop will go off, removing
>> the battery while you use it from the mains is a good idea for the
>> battery's lifespan but not so good if the power goes out.
>>
>> JD
>
> This is also very common ! The break if there is one, is most likely to
> be near the power plug, often between the choke and plug itself.
>
> It would also be wise to run the battery down and recharge it every few
> months, just to keep it in good condition. I've found that if the
> battery is allowed to discharge on its own, the battery gets so low
> that it will no longer charge up.
>

Not to put too fine of a point on this, but the plug INSIDE of the computer
also is a very common failure point, and the consensus is that this repair
is costly and not relilable if done at home using the common tools that
home-repair people would likely have.

I have had 3 laptops in three months that came in with a broken power plug
on the main board. I took one machine apart -- an old machine that came with
Win98 on it -- to see if I could fix it for my nieces to use. I looked at
one for a paying customer, and did not take it apart when I found the plug
was toast, and looked at the third for a friend and attempted the repair. I
do not have a suitable soldering iron to get the old plug out and the new
plug in with any degree of certainty that the several layers on the board
will be properly soldered. AND you have to find a plug that fits the plug on
the power supply wire.

My daugher has a laptop that had the wire break right where the wire goes
into the plug. You have to buy a whole new power supply unless you have an
electronics store in your town that sells obscure parts. Radio Shack does
not have the correct size plug, but you could (theoretically) get a new male
and female plug set and solder a new socket to the mother board, but see
above for the problems you can encounter by going that route.

I searched on Google for the part number printed ont he power supply, and
found they are available for 20-ish dollars.








From: Baron on 25 Dec 2009 10:34
Hi Jeff,
Jeff Strickland Inscribed thus:

>
> "Baron" <baron.nospam(a)linuxmaniac.nospam.net> wrote in message
> news:hgt0mf$4h2$1(a)news.eternal-september.org...
>> JD Inscribed thus:
>>
>>> JACK wrote:
>>>>
>>>> My Compaq 6735s laptop suddenly just switches off. doesn't shut
>>>> down or anything, just goes off. I'm assuming it's overheating
>>>> although I can hear the fan come on so other suggestions welcome.
>>>> How easy is it to change the fan?
>>>> It's used for about 14 hours a day, connected tot he mains with the
>>>> battery removed.
>>>
>>> Hi jack
>>>
>>> it could be overheating as you say, as for changing the fan thats
>>> quite a big job you will need to dismantle the whole laptop and
>>> thats no easy task, you can try using an "air duster" to blow the
>>> crud out,
>>
>> I agree your machine probably is overheating ! The fan is unlikely
>> to be the problem insomuch as its the fluff that gets dragged into
>> the fan and blown into the heat exchanger.
>>
>> Blowing air back into the outlet may remove most of the fluff by
>> ejecting it back through the fan inlet. But take care not to cause
>> any damage to the fan by using too much pressure.
>>
>> On some of these machines, I don't know the particular model you
>> have, there is a removable panel that exposes the fan & heat
>> exchanger. If there is, removing the panel will give limited access.
>> Underneath there will be a self adhesive plastic cover between the
>> fan
>> outlet and the heat exchanger inlet. You can carefully lift one edge
>> of this cover and pick the fluff out with tweezers.
>>
>> Do take anti static precautions if you decide to go this route.
>>
>>> you can also get laptop coolers, these are metal plates the laptop
>>> sits on which have inbuilt fan's.
>>>
>>> I'd also check that the power supply it may be going faulty, or
>>> there could be a break in the wire as you have no battery in the
>>> laptop if the power cuts out for even a second the laptop will go
>>> off, removing the battery while you use it from the mains is a good
>>> idea for the battery's lifespan but not so good if the power goes
>>> out.
>>>
>>> JD
>>
>> This is also very common ! The break if there is one, is most likely
>> to be near the power plug, often between the choke and plug itself.
>>
>> It would also be wise to run the battery down and recharge it every
>> few months, just to keep it in good condition. I've found that if
>> the battery is allowed to discharge on its own, the battery gets so
>> low that it will no longer charge up.
>>
>
> Not to put too fine of a point on this, but the plug INSIDE of the
> computer also is a very common failure point, and the consensus is
> that this repair is costly and not relilable if done at home using the
> common tools that home-repair people would likely have.

I completely agree ! It can be done as a home repair, but its not easy.

> I have had 3 laptops in three months that came in with a broken power
> plug on the main board. I took one machine apart -- an old machine
> that came with Win98 on it -- to see if I could fix it for my nieces
> to use. I looked at one for a paying customer, and did not take it
> apart when I found the plug was toast, and looked at the third for a
> friend and attempted the repair. I do not have a suitable soldering
> iron to get the old plug out and the new plug in with any degree of
> certainty that the several layers on the board will be properly
> soldered. AND you have to find a plug that fits the plug on the power
> supply wire.

If you are going to do this kind of repair on a commercial basis then
you need a source of the right components. This isn't an easy task to
arrange either. I've seen manufacturers use different plugs & sockets
on similar models. Having said that some standards are slowly
emerging, particularly in this economic climate.

> My daugher has a laptop that had the wire break right where the wire
> goes into the plug. You have to buy a whole new power supply unless
> you have an electronics store in your town that sells obscure parts.
> Radio Shack does not have the correct size plug, but you could
> (theoretically) get a new male and female plug set and solder a new
> socket to the mother board, but see above for the problems you can
> encounter by going that route.

Actually I have used just that technique in order to complete a repair.

> I searched on Google for the part number printed ont he power supply,
> and found they are available for 20-ish dollars.

Yes these parts can be very pricey ! But its down to how much work you
are prepared to put in for the price you charge. You don't earn much
sat on your butt doing nothing !

--
Best Regards:
Baron.
From: JD on 25 Dec 2009 15:51
Baron wrote:
> Hi Jeff,
> Jeff Strickland Inscribed thus:
>
>> "Baron" <baron.nospam(a)linuxmaniac.nospam.net> wrote in message
>> news:hgt0mf$4h2$1(a)news.eternal-september.org...
>>> JD Inscribed thus:
>>>
>>>> JACK wrote:
>>>>> My Compaq 6735s laptop suddenly just switches off. doesn't shut
>>>>> down or anything, just goes off. I'm assuming it's overheating
>>>>> although I can hear the fan come on so other suggestions welcome.
>>>>> How easy is it to change the fan?
>>>>> It's used for about 14 hours a day, connected tot he mains with the
>>>>> battery removed.
>>>> Hi jack
>>>>
>>>> it could be overheating as you say, as for changing the fan thats
>>>> quite a big job you will need to dismantle the whole laptop and
>>>> thats no easy task, you can try using an "air duster" to blow the
>>>> crud out,
>>> I agree your machine probably is overheating ! The fan is unlikely
>>> to be the problem insomuch as its the fluff that gets dragged into
>>> the fan and blown into the heat exchanger.
>>>
>>> Blowing air back into the outlet may remove most of the fluff by
>>> ejecting it back through the fan inlet. But take care not to cause
>>> any damage to the fan by using too much pressure.
>>>
>>> On some of these machines, I don't know the particular model you
>>> have, there is a removable panel that exposes the fan & heat
>>> exchanger. If there is, removing the panel will give limited access.
>>> Underneath there will be a self adhesive plastic cover between the
>>> fan
>>> outlet and the heat exchanger inlet. You can carefully lift one edge
>>> of this cover and pick the fluff out with tweezers.
>>>
>>> Do take anti static precautions if you decide to go this route.
>>>
>>>> you can also get laptop coolers, these are metal plates the laptop
>>>> sits on which have inbuilt fan's.
>>>>
>>>> I'd also check that the power supply it may be going faulty, or
>>>> there could be a break in the wire as you have no battery in the
>>>> laptop if the power cuts out for even a second the laptop will go
>>>> off, removing the battery while you use it from the mains is a good
>>>> idea for the battery's lifespan but not so good if the power goes
>>>> out.
>>>>
>>>> JD
>>> This is also very common ! The break if there is one, is most likely
>>> to be near the power plug, often between the choke and plug itself.
>>>
>>> It would also be wise to run the battery down and recharge it every
>>> few months, just to keep it in good condition. I've found that if
>>> the battery is allowed to discharge on its own, the battery gets so
>>> low that it will no longer charge up.
>>>
>> Not to put too fine of a point on this, but the plug INSIDE of the
>> computer also is a very common failure point, and the consensus is
>> that this repair is costly and not relilable if done at home using the
>> common tools that home-repair people would likely have.
>
> I completely agree ! It can be done as a home repair, but its not easy.
>
>> I have had 3 laptops in three months that came in with a broken power
>> plug on the main board. I took one machine apart -- an old machine
>> that came with Win98 on it -- to see if I could fix it for my nieces
>> to use. I looked at one for a paying customer, and did not take it
>> apart when I found the plug was toast, and looked at the third for a
>> friend and attempted the repair. I do not have a suitable soldering
>> iron to get the old plug out and the new plug in with any degree of
>> certainty that the several layers on the board will be properly
>> soldered. AND you have to find a plug that fits the plug on the power
>> supply wire.
>
> If you are going to do this kind of repair on a commercial basis then
> you need a source of the right components. This isn't an easy task to
> arrange either. I've seen manufacturers use different plugs & sockets
> on similar models. Having said that some standards are slowly
> emerging, particularly in this economic climate.
>
>> My daugher has a laptop that had the wire break right where the wire
>> goes into the plug. You have to buy a whole new power supply unless
>> you have an electronics store in your town that sells obscure parts.
>> Radio Shack does not have the correct size plug, but you could
>> (theoretically) get a new male and female plug set and solder a new
>> socket to the mother board, but see above for the problems you can
>> encounter by going that route.
>
> Actually I have used just that technique in order to complete a repair.
>
>> I searched on Google for the part number printed ont he power supply,
>> and found they are available for 20-ish dollars.
>
> Yes these parts can be very pricey ! But its down to how much work you
> are prepared to put in for the price you charge. You don't earn much
> sat on your butt doing nothing !
>

On laptops I personally will only do screens, keyboards, memory, HDD's
and software problems, anything that involves stripping the laptop's
down I point them in the direction of a laptop specialist, its usually
not worth the bother as laptops are so cheap nowadays.

Merry Christmas!
JD
From: - Bobb - on 26 Dec 2009 23:27

"JD" <No.Reply(a)Sorry.com> wrote in message news:4b3525bd$0$2491
> On laptops I personally will only do screens, keyboards, memory, HDD's and
> software problems, anything that involves stripping the laptop's down I
> point them in the direction of a laptop specialist, its usually not worth
> the bother as laptops are so cheap nowadays.
>
> Merry Christmas!
> JD

If I might ask: any input on good vs. bad drives ?
Family has a laptop where the hdd died. I was looking at BestBuy today and
they had WD 2.5 IDE drives there, but I'm not keen on WD. All the Seagates
were SATA, so I left empty-handed. My experience with WD was years ago - are
they any better now ? Preference of drive ?
It was an Hitachi Travelstar that died in there - 3 yrs old.


From: Jeff Strickland on 27 Dec 2009 10:46

"- Bobb -" <bobb(a)noemail.123> wrote in message
news:hh6nnk$5mc$1(a)news.eternal-september.org...
>
> "JD" <No.Reply(a)Sorry.com> wrote in message news:4b3525bd$0$2491
>> On laptops I personally will only do screens, keyboards, memory, HDD's
>> and software problems, anything that involves stripping the laptop's down
>> I point them in the direction of a laptop specialist, its usually not
>> worth the bother as laptops are so cheap nowadays.
>>
>> Merry Christmas!
>> JD
>
> If I might ask: any input on good vs. bad drives ?
> Family has a laptop where the hdd died. I was looking at BestBuy today and
> they had WD 2.5 IDE drives there, but I'm not keen on WD. All the
> Seagates were SATA, so I left empty-handed. My experience with WD was
> years ago - are they any better now ? Preference of drive ?
> It was an Hitachi Travelstar that died in there - 3 yrs old.
>
>

My dahghter's HP laptop had a bad HDD, and I just did a Google search on the
part number of the drive. This told me that the drive was part of a family
of three different variants. I selected the largest in the family for the
replacement and ordered it online. the price to the house was about $50. It
works great. Of course, the other one worked great until it didn't ...






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