Question about HP Compaq 6735s Notebook

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How to replace HP 6735s

I want to replace the CPU on my HP 6735s, and want to know the best way to get in. Through the keyboard, or the back?

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It's right under/next to the processor fan, locating it should help you determine your best course. I would completely disassemble the laptop to remove the motherboard for the processor upgrade.

Posted on Feb 12, 2009

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Hp 6735 tipoff in a seconds


OverheatingWhen the CPU overheats then it will shut down (i.e. thermaloverload) and won't boot up again until it has cooled down. If this is theproblem is not fixed then the CPU will eventually fail.
A faulty fan causes the problem or the fan and heat sink assembly are cloggedwith dust.
Check the CPU fan to see if it spins freely, if not replace the fan.
If the fan and heat sink is clogged with dust the remove the dust and make surethe vents are clear and dust free. Use a small brush and can of compressed airto do this.

Aug 01, 2012 | HP Compaq 6735s Notebook

1 Answer

I have a HP 6735s and was using it today. After about half a hour the screen went black and the laptop powered down. I tried another power cable that I have and also a battery but the laptop constantly...


The laptop maybe overheating.
When the CPU overheats then it will shut down (i.e. thermaloverload) and won't boot up again until it has cooled down. If this is theproblem is not fixed then the CPU will eventually fail.
A faulty fan causes the problem or the fan and heat sink assembly are cloggedwith dust.
Check the CPU fan to see if it spins freely, if not replace the fan.
If the fan and heat sink is clogged with dust the remove the dust and make surethe vents are clear and dust free. Use a can of compressed air to do this.

Feb 22, 2012 | HP Compaq 6735s Notebook

3 Answers

I am an owner of an HP Compaq 6735s Notebook PC. I have experienced the notebook failure. I am unable to start the computer at all. It just happened when I tried to restart it. I have noticed the...


my daughters hp 6735s had the fan running all the time issue, having got fed up with this I decided to try to fix it. I downloaded the service manual from the hp website and dismanteld the laptop to remove the motherboard. The fan defuser had some dust but not much, so I removed the heatsink that covers the cpu and gpu. I noticed the cpu did have thermal compound that was in contact with the heatsink, however the gpu had compound on the chip but nothing touching the heatsink. I cleaned the heatsink, cpu and gpu with degreaser, then applied new silver themal compound from maplin. I made sure i also applied a thin coating to the heatsink. I refitted the heatsink and reassembled the laptop. I powered on the laptop and instantly noticed the laptop fan running at half speed which it should do, I installed a program from a dvd and left the laptop running and so far so good. If we had left this any longer I suspect the solder under the gpu would have become molten and then we could have had another issue which maybe we could not have fixed. I hope this helps you if you have similar issues.

Jan 19, 2011 | HP Compaq 6735s Notebook

1 Answer

Hp Compaq 6735s I clean it with multi purposes foam cleanser & the key board stop working since yesterday & I tried cleaning lt with a spirit


use of spirits in a keyboard is not recommended, it will eatup and destroy the rubber compounds that make the keys work. It can also damage the electronics inside. Find some canned air, try to dry it out as best you can with the air between the keys. Then try not to use it until it comes back to life. Until then try a usb keyboard in its place. Worst case scenario you will need to replace the keypad of the notebook. Its pretty easy fix though. Best thing to clean keyboards is canned air and windex on a paper towel for the key surfaces only. hope that helps. cheers

Aug 30, 2010 | Compaq PC Laptops

1 Answer

My 6735s keeps not responding,wont recognise discs and also i cant do a full system recovery as f7 and f11 are missing?Is there anything i can do?I cannot use my recovery disc with these problems...


Can you see the boot up CMOS display with HP Logo? If so plug a USB external keyboard and press F11 while boot up process. Then it will prompt for Recovery loading.

Jan 18, 2010 | HP Compaq 6735s Notebook

1 Answer

HP 6735s laptop with AMD Turion X2, screen remain dark...


Try locating your memory sticks under unit, try taking them out and resitting them, try also resitting your hard drive.

if this does not work let us know

Jan 04, 2010 | HP Compaq 6735s Notebook

4 Answers

HP Compaq 6735s battery light orange blinking


Have you tried another power cord? If you try another power cord, and it still does the same thing, then I think your laptop is having a power problem. You need to take is to a technician to fix the problem for you.

Best wishes.

Nov 28, 2009 | HP Compaq 6735s Notebook

2 Answers

Hp 6735s screen blank problem


If you use it from the power cable does it work better? There is a known issue with the 6735s and power management settings from battery.

Oct 02, 2009 | HP Compaq 6735s Notebook

3 Answers

The hp 6735s laptop wont start up?


Have you tried to start in fail safe mode? try push f8 before vista screen and after bios screen. choose safemode. does it start ?

Aug 17, 2009 | HP Compaq 6735s Notebook

1 Answer

How to replace CPU on HP 6735s


Most likely from the back (the underside) where the fan/s are located. You will need to remove the fan/heatsink to get to the CPU. The CPU is locked in place with a zero insertion socket, you need the turn the locking screw 90 degrees to release the CPU.
Be careful when you insert the new CPU, there is a notch that indicates the orientation of the CPU to the socket.
After installing the CPU don't forget to put some heatsink compound on the CPU before installing the fan/heatsink.

Feb 12, 2009 | HP Compaq 6735s Notebook

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