HP Omen overheating or shutting down in games? Causes and fixes
Loud fans, falling frame rates or sudden shutdowns usually mean heat is not leaving the laptop. Here is what to check, and when it needs opening up.
HP Omen laptops pack a powerful processor and graphics card into a fairly slim case, and that makes them hot machines by design. A bit of fan noise during games is normal. Fans that roar at the desktop, frame rates that collapse after ten minutes of play, or a laptop that switches itself off mid-game are not. This guide explains what is usually going on, what you can safely check yourself, and when the cooling system needs opening up.
What the symptoms mean
- Games start smoothly, then slow down: the processor or graphics chip has hit its temperature limit and is cutting its own speed to protect itself. This is called thermal throttling.
- Fans at full speed even when idle: often dust blocking the heatsink, or a background program keeping the processor busy.
- Sudden shutdown or restart under load: the laptop's last line of defence against overheating. It can also be a power problem, such as the wrong or a failing charger.
- Rattling, grinding or clicking from the vents: a fan bearing wearing out, or a fan blade catching on something.
- The keyboard or underside too hot to touch comfortably: heat isn't leaving the case as it should.
Checks worth doing first
Look at where it sits
Omen laptops pull cool air in through vents on the underside. On a bed, sofa or lap, those vents are blocked, and temperatures rise fast. Use it on a hard, flat surface, and a stand that lifts the back gives the fans more air to work with.
Check the power mode in OMEN Gaming Hub
HP's OMEN Gaming Hub app controls performance modes and fan behaviour. Performance mode lets the chips run faster and hotter, with louder fans. If temperatures are a problem, try Balanced mode and compare. Make sure the app and HP's BIOS and drivers are up to date, as HP regularly releases fixes for fan control and power management.
Use the right charger
Omen laptops come with high-wattage chargers. A smaller USB-C charger may keep the battery topped up at the desktop, but under a gaming load the laptop has to cut performance, and some models will throttle heavily or behave oddly. Use the original HP charger, or a replacement of the same wattage.
See what is using the processor
Open Task Manager and sort by CPU. A browser with many tabs, a stuck update or unwanted software can keep the processor busy and the fans running even when you're not playing.
What to avoid
- Blasting compressed air into the vents with the fans free to spin. Spinning a fan far beyond its normal speed can damage the bearing. If you use air, hold the fan still through the vent with something non-metallic.
- Opening the case to replace thermal paste yourself unless you're confident. Some gaming laptops use liquid metal on the processor from the factory, which is electrically conductive and needs specific materials and care.
- Running it hot for months. Constant high temperatures age the battery faster and put stress on the components around the processor and graphics chip.
When it needs a proper clean and service
If your Omen is more than a year or two old, plays games regularly and has been getting louder or slower over time, the likely cause is dust packed into the heatsink fins and thermal compound that has dried out. Cleaning the vents from outside rarely reaches the fins, where the dust builds up in a felt-like layer.
A thermal service involves opening the laptop, cleaning the fans and heatsinks, renewing the thermal compound and thermal pads, replacing a worn fan if needed, and then testing temperatures under load. We cover what is involved on our overheating and fan repair page.
When it's more than heat
If the laptop shuts down even when cool, won't charge properly, or shows graphical glitches such as coloured lines or artefacts, the fault may be on the motherboard or graphics chip rather than in the cooling system. Prolonged overheating can contribute to these faults. That needs diagnosis on the bench; see laptop motherboard repair.
Getting your HP Omen looked at
We repair HP Omen laptops and desktops at our workshop at Unit 1 The Willows, 80 Willow Walk, London SE1 5SY. See HP Omen repair for the models we work on, or get a free quote. You can also call us on 020 7237 6805, Monday to Saturday, 9am to 6pm.