Member Avatar for Rebel007

How do I solve the problem when typing and my text skips letters and/or types double letters. Is this a problem with my keyboard, my mouse or what?

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  • Latest Post Latest Post by goldeagle2005

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For : skipped or doubled characters can come from several different places. and rightly point toward software interactions, so the checklist below focuses on diagnostics and fixes that weren’t mentioned in the thread and that will quickly separate hardware, settings, and environmental causes.

Try quick isolation tests first: connect the keyboard to another computer, or plug a known-good keyboard into the problem machine. For wireless keyboards, replace batteries and move the USB receiver to a different (preferably front) USB port; wireless interference from USB 3.0 ports, hubs or cordless devices can cause dropped or repeated input. Use a plain text editor and press each key slowly to see whether particular keys fail or repeat.

Check Windows input settings next: make sure Ease of Access Filter Keys (and related features) is off — Filter Keys can ignore or repeat keystrokes if enabled accidentally. In Control Panel -> Keyboard, lengthen the Repeat delay and slow the Repeat rate; this often stops accidental double letters. Use the on-screen keyboard to confirm whether the problem is physical (on-screen behaves fine) or system-level (on-screen shows the same behavior).

If the issue only happens in one user account or app, boot into Safe Mode or from a Linux live USB to test whether a third-party process is involved. If the fault persists across OS boots and on another PC, the keyboard hardware or laptop ribbon/contacts is likely at fault; cleaning with compressed air can help, but avoid opening devices under warranty. When tests point to hardware, keyboard replacement or vendor service is the usual solution.

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Member Avatar for kaninelupus

9 times out of 10, it is the software and driver stack provided by the hardware vendor. Often just using the plug-and-play ability of Windows and letting it use the default/native driver sets is the best way to go (in the case of mouse/keyboard I mean). Some 3rd parties try to get to clever and it causes more headaches than it is worth.

Have had this issue twice over, both with my diNovo Media Desktop Laser, and my Cherry keyboard/mouse, and in both cases reverting to the Windows' drivers solved the prob.

Member Avatar for goldeagle2005

I've seen similar issues on systems with an ATI video card. Try to disable all ATI startup items and services using msconfig and see if that helps.

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