Member Avatar for Helltech

I have a Razer Lachesis mouse and use Windows Vista, although I don't know if this is a Vista related problem. It has been working fine ever since I got it a few months ago. Its supposed to be a high end mouse which cost about 80 dollars. But for the past few days it just moves all on its own. I will be using it, and then it just jumps "up" on the screen. I have no idea what to do. I updated the drivers and everything. =[ I use Avast AntiVirus and Windows Defender and the computer seems clean of nasties. Any advice?

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  • Latest Post Latest Post by Doctor Inferno

Dani AI

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As and suggested, tracking problems are often environmental, and and pointed toward useful diagnostics. The following checklist is an ordered, practical way to isolate whether the Lachesis, the PC, or the software/setting is at fault, and what to try next.

  • Isolate the device first. Plug the mouse into a different computer and into different USB ports (use a rear motherboard port, not a hub). Try a known-good mouse on the Vista machine. If the same jumps follow the Lachesis on another system, hardware is likely faulty.
  • Check the cable and skates. Inspect the braided cable near the connector for breaks and gently wiggle it while moving the mouse — intermittent contact often shows as sudden jumps. Worn or uneven mouse feet can also make tracking inconsistent; replacing or smoothing the skates can help.
  • Swap the tracking surface but go beyond a generic “try another pad.” Test on plain matte paper or a uniform dark cloth in ordinary indoor lighting to rule out reflections and bright light sources that confuse optical sensors.
  • Software and settings: temporarily remove Razer software (back up profiles/macros first), reboot and let Windows use the generic HID driver. If stable, reinstall the latest official Razer package and, if available, reduce DPI or polling rate in the Razer utility. In Vista, set pointer speed to the middle and toggle “Enhance pointer precision” to see if that changes behavior.
  • Rule out background interference: do a clean boot (msconfig) to disable third-party utilities (KVM, macro tools, remote-access apps). Run a second opinion anti-malware scan if anything suspicious is found.

If the cursor still jumps after these steps across multiple systems and OS environments, the sensor or internal wiring is failing and an RMA through Razer is the most practical route. Back up any custom profiles before wiping drivers.

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Member Avatar for majestic0110

Hi there Helltech, have you checked the mouse to ensure that it is clean? Sometimes mice can get dusty where the sensor is and this can cause jumping pointers. Also are you using a reflective mousemat as these modern mice don't approve of them! Hope this helps!

Member Avatar for steven woodman

Yes, if what majestic said isnt the case (which it probably is) try just uninstalling the hardware and then installing it again.

Member Avatar for jbennet

Optical or Ball?

Try a new mousemat - one thats JET black and uniform in texture (not shiny!)

Member Avatar for jai.bisht1

What is the make of the laptop?

Member Avatar for Doctor Inferno

I had this problem before, it was caused by a transparent mouse pad i was using causing the cursor to move and jump all over the screen. Try changing the base on which your mouse runs on, like a new mouse pad, a different table top etc.

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