The HP Pavilion DV7 is a fantastic laptop when it’s running properly, but a common fault with this particular model is that it is prone to overheating.
The DV7 is a very fast and powerful laptop, with a Core i7 CPU. The Core i7 needs to be constantly kept cool, otherwise it will overheat. After a few months of purchasing your new DV7, you’ve more than likely noticed that the laptop is running slower and it’s heating up a lot underneath and around the fan vent on the left hand side of the laptop. You’ll also notice the fan is running very fast and it’s noisy.
When it overheats the screen usually goes black but the laptop appears to still be running.
Note: This happens because the laptop safety settings have kicked in and has hopefully stopped any damage from being done to the CPU & GPU.
All you can do when this happens is hold down the power button for 10 seconds.
When you switch the laptop back on you’ll get a message saying that due to overheating your laptop was turned off.
Note: The normal CPU temperature for the HP DV7 is around 50 degrees, when it overheats it shuts down at 90 degrees.
If you do this too many times, the laptop will eventually fail.
This is a major design flaw in an otherwise excellent laptop. Because the venting system is badly designed, it gets clogged up with dust very easily.
In fact this job should really be undertaken at least every 6 months.
Note: All laptops should have this service done once every year for optimum performance and efficiency.
- Close the lid and turn the laptop upside down
- Remove the battery
- Remove all screws from the base
- Turn the laptop over, open the lid and prise off the keyboard
- Remove screws from under the keyboard
- Unplug all wires and cables
- Remove the top cover, be careful not to damage the casing
- Unscrew the motherbard
- Remove the motherboard
- Unscrew the fan and heatsink unit from the motherboard
- Unscrew the fan cover
- Use the compressed air to clean out the fan
- On the heatsink you will notice a build up of dust around the cooling fins. This is a design flaw in the HP DV7
- Clean the old thermal paste from the CPU, GPU and the heatsink
- Use the cleaning agent to remove leftover debris
- Apply half a pea size of thermal paste on the CPU & GPU surface
- Press the heatsink unit down firmly on top the motherboard
- In order, screw in the heatsink. The screw are numbered
- Install the motherboard back in the case
- Plug in all cables
- Attach the top casing and reinsert the keyboard
- Flip the laptop over and put all the screw back in
- Insert the battery
Update the BIOS
There has been a bios update released that fixes a thermal problem on the HP DV7, it’s recommended that this is applied.
- Go to www.hp.co.uk and select the bios update for your specific model of DV7
- Download and install the Bios update
- Restart the laptop
What Not to Do
There are lots of people out there claiming all sorts of things, from not being able to fix the overheating isse, to some downright stupid ideas that can damage your laptop.
- Do not cut any part of the casing of your laptops. There is a web site out there that says the fix is to cut out the plastic of the casing underneath the fan and to apply a wide guage wire mesh covering over it. While this will allow more airflow, it will do nothing to fix the overheating problem.
- Don’t bother calling HP support, as there is nothing on their forums and literally hundreds of people are complaining about this same problem to them, with no fix supplied.
- Don’t use your laptop if it is overheating. Get the laptop repaired as soon as possible at a reputable local repair company.
Disclaimer: This work should only be carried out by a qualified professional. If you are a personal user and you would like this work performed on your HP DV7, contact us. You can send us your laptop from anywhere in the UK. Note: Your HP warranty may be void if you attempt this yourself.