HP Laptop booting issues

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sittingduckz

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#116086 17-Apr-2013 21:59

I have an HP 6710b Laptop (getting on a bit now) running Win 7 64bit. It is having some strange booting issues as I'll detail below.

If it has been on and is still warm, it will not boot or reboot. as soon as it's past bios the fan goes full snot and part way through OS loading it powers down.

I have removed each stick of ram individually & swapped them, same issue

chkdsk shows 52kb of bad sectors, which isn't ideal but not critical

This may sound strange but, what does seem to work is opening the freezer door, putting the laptop on the floor in front and booting. With the cool air it starts fine.
Also putting an icepack under (where the cpu is) it boots fine.

Once started, you can remove cold air & icepacks and it keeps going as normal, in fact I can thrash it with no issue

I have checked and cleared the cpu fan and heatsink.

It's like it's getting a false temp reading as it's starting to boot and powers down.

Maybe reflash the bios?? I dunno :)

I'm not a complete idiot, I still have some parts missing.

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#801221 17-Apr-2013 22:01

When did this start happening?

sittingduckz

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#801224 17-Apr-2013 22:05

blakamin: When did this start happening?

Monday afternoon

I'm not a complete idiot, I still have some parts missing.

blakamin

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#801225 17-Apr-2013 22:11

There's been an issue with an update causing some PCs not to boot since the last fortnightly update.

http://www.staysmartonline.gov.au/alert_service/advisories/microsoft_windows_7_security_update_revision

Edit: of course, this might not be the problem, but worth a crack anyway.

tardtasticx

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#801226 17-Apr-2013 22:19

Can you hear the fans starting up?
How warm is the air coming out?
Does it give any error messages during boot? Mine sometimes says something along the lines of system overheating, try again shortly. Then it works after its had a chance to cool off.

I've had an HP computer fail on me before due to the cooling system failing. Whole unit had to be replaced because the motherboard had serious heat damage as a result.

The way you've described it, I'd definitely say its something to do with the cooling system. Either the actual cooling part (taking the heat off the chips) or the temperature monitors inside have failed (Could be reading the temp wrong and shutting down to prevent damage?).

Take it in to get someone to look at it ASAP to prevent costly repairs, better to be safe than sorry.

sittingduckz

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#801229 17-Apr-2013 22:29

blakamin: There's been an issue with an update causing some PCs not to boot since the last fortnightly update.

http://www.staysmartonline.gov.au/alert_service/advisories/microsoft_windows_7_security_update_revision

Edit: of course, this might not be the problem, but worth a crack anyway.

Worth a crack, it seems to be a hardware issue, even trying to boot from the W7 install DVD it dies while loading

I'm not a complete idiot, I still have some parts missing.

sittingduckz

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#801230 17-Apr-2013 22:32

tardtasticx: Can you hear the fans starting up?
How warm is the air coming out?
Does it give any error messages during boot? Mine sometimes says something along the lines of system overheating, try again shortly. Then it works after its had a chance to cool off.

I've had an HP computer fail on me before due to the cooling system failing. Whole unit had to be replaced because the motherboard had serious heat damage as a result.

The way you've described it, I'd definitely say its something to do with the cooling system. Either the actual cooling part (taking the heat off the chips) or the temperature monitors inside have failed (Could be reading the temp wrong and shutting down to prevent damage?).

Take it in to get someone to look at it ASAP to prevent costly repairs, better to be safe than sorry.

Yes is does seem to be heading this way.

The heat coming off the fan is warm not hot
The MB has no discolouring or nothing to suggest it's seriously over heating
No error messages while booting.

I'm not a complete idiot, I still have some parts missing.

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tardtasticx

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#801231 17-Apr-2013 22:35

sittingduckz:
tardtasticx: Can you hear the fans starting up?
How warm is the air coming out?
Does it give any error messages during boot? Mine sometimes says something along the lines of system overheating, try again shortly. Then it works after its had a chance to cool off.

I've had an HP computer fail on me before due to the cooling system failing. Whole unit had to be replaced because the motherboard had serious heat damage as a result.

The way you've described it, I'd definitely say its something to do with the cooling system. Either the actual cooling part (taking the heat off the chips) or the temperature monitors inside have failed (Could be reading the temp wrong and shutting down to prevent damage?).

Take it in to get someone to look at it ASAP to prevent costly repairs, better to be safe than sorry.

Yes is does seem to be heading this way.

The heat coming off the fan is warm not hot
The MB has no discolouring or nothing to suggest it's seriously over heating
No error messages while booting.

Based on this and the previous response about it still doing it with install DVD, I'd say its either the temperature monitors inside the machine, or something to do with the BIOS. Have you checked to see if there are any BIOS updates available?

sittingduckz

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#801233 17-Apr-2013 22:40

tardtasticx:
sittingduckz:
tardtasticx: Can you hear the fans starting up?
How warm is the air coming out?
Does it give any error messages during boot? Mine sometimes says something along the lines of system overheating, try again shortly. Then it works after its had a chance to cool off.

I've had an HP computer fail on me before due to the cooling system failing. Whole unit had to be replaced because the motherboard had serious heat damage as a result.

The way you've described it, I'd definitely say its something to do with the cooling system. Either the actual cooling part (taking the heat off the chips) or the temperature monitors inside have failed (Could be reading the temp wrong and shutting down to prevent damage?).

Take it in to get someone to look at it ASAP to prevent costly repairs, better to be safe than sorry.

Yes is does seem to be heading this way.

The heat coming off the fan is warm not hot
The MB has no discolouring or nothing to suggest it's seriously over heating
No error messages while booting.

Based on this and the previous response about it still doing it with install DVD, I'd say its either the temperature monitors inside the machine, or something to do with the BIOS. Have you checked to see if there are any BIOS updates available?

Yep, I'll try the bios update in the morning, time for sleep now. I'll keep you posted

I'm not a complete idiot, I still have some parts missing.

sittingduckz

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#801398 18-Apr-2013 10:31

Ok, BIOS update didn't help.

The problem occurs more on mains power, I assume because it generates more heat?
When cold it boots every time

I ran the cpu Burnin test for an hour with no excessive heat or shutdowns

I ran the HDD test in the BIOS and it shows Read Falure @ 0% and stops, however the HDD is fine when it does boot? Could this be due to an aftermarket HDD?

Is the thermal sensor build into the cpu or is it somewhere else. The heatsink assembly doesn't appear to have any wires (from photos of the part)

I'm not a complete idiot, I still have some parts missing.

lxsw20

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#801404 18-Apr-2013 10:37

Pretty sure there is one built into the CPU. Did you replace the thermal grease when you cleared out the fan?

sittingduckz

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#801412 18-Apr-2013 10:43

lxsw20: Pretty sure there is one built into the CPU. Did you replace the thermal grease when you cleared out the fan?

No, I haven't removed the fan or heatsink. I just cleared it with compressed air (it was pretty clear anyway)

I'm not a complete idiot, I still have some parts missing.

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sittingduckz

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#801697 18-Apr-2013 14:51

I downloaded and ran Intel Processor Diagnostic Tool, it passed all tests including Temperature.

Changed RTC battery

I'm thinking maybe the mobo is being a mofo and having a spazzzzz as it starts to boot.
Might be time for a new laptop :(

Unless there are any more ideas floating around out there?

I'm not a complete idiot, I still have some parts missing.

MadEngineer

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#814045 8-May-2013 22:15

what's it like with the battery removed (running off mains only), and how long does the battery keep its charge?

You're not on Atlantis anymore, Duncan Idaho.

MadEngineer

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#814047 8-May-2013 22:17

what's it like with the battery removed (running off mains only), and how long does the battery keep its charge?

when it's warm and fails to boot, does it magically POST (with the no boot device error) when you remove that failing harddrive?

You should find that 6710b a reliable machine. If you can fix the fault, get yourself a new hdd, battery and a ram upgrade and you'll be away laughing.

You're not on Atlantis anymore, Duncan Idaho.

sittingduckz

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#814048 8-May-2013 22:18

MadEngineer: what's it like with the battery removed (running off mains only), and how long does the battery keep its charge?

Battery removed - same issue

The battery lasts a good 2-3 hours. I bought a genuine HP battery about 6 months ago

I'm not a complete idiot, I still have some parts missing.

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