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Laptop Keyboard Issues: Double Letters Typing, Cursor Jumping - io, cv, KL, 3r, e, t

Lopez2300 142845 16
Best answers

Why does my laptop keyboard type double letters and make the cursor jump, and how can I fix it?

Your laptop keyboard is most likely faulty and needs to be replaced, not treated as a driver problem. First check it in a LiveCD system such as Ubuntu to rule out the operating system; if the same symptoms appear there, the keyboard hardware is at fault [#12030728] Reseating the keyboard ribbon cable is worth trying, but if it does not help, the keyboard is effectively broken [#12032263][#12032451] In this thread, disassembling and adjusting the tape connection did not fix the issue, and the problem disappeared only after the keyboard was replaced in service [#12035634][#12071688] Repair is possible in theory, but it was described as not profitable compared with replacement [#12032451]
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  • #1 12030078
    Lopez2300
    Level 9  
    Posts: 55
    Rate: 25
    Board Language: polish
    Hello. I have a problem with the keyboard on my laptop. Well, today, after turning on the computer, the keyboard started to "go crazy". Pressing o pops up "io", writing v shows "cv" pressing L shows "KL" pressing r shows "3r" etc. and additionally when I press "e" or "t" the cursor jumps to other places on the page it is a bit like a tab stop when you want to jump to another column without using the mouse. What could it be caused by? Oh, nothing has ever spilled on the keyboard.
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  • #2 12030389
    RADU23
    VIP Meritorious for electroda.pl  
    Posts: 20712
    Help: 2425
    Rate: 1726
    Board Language: polish
    The easiest way is to restore the system to the last correct configuration (e.g. from before yesterday - when it worked properly).
    Scan the Malwarebyte hdd proactively and clean up any invalid registry entries with CCleaner.
  • #3 12030714
    Lopez2300
    Level 9  
    Posts: 55
    Rate: 25
    Board Language: polish
    Unfortunately, the problem has not gone away. Could it have something to do with the drivers?
  • #4 12030728
    Kasek21
    Level 43  
    Posts: 45497
    Help: 4960
    Rate: 3501
    Board Language: polish
    Lopez2300 wrote:
    Could it have something to do with the drivers?

    Check keyboard behavior on some LiveCd system, e.g. Ubuntu http://www.ubuntu.com/download/desktop
  • #5 12031932
    Lopez2300
    Level 9  
    Posts: 55
    Rate: 25
    Board Language: polish
    The same is happening. However, some anomalies have disappeared. Only c -cv, v -cv and vice versa and r -3r, 3 -3r remain.
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  • #6 12032145
    lukiuki2010
    Level 12  
    Posts: 89
    Help: 2
    Rate: 22
    Board Language: polish
    Has the keyboard been flooded by accident? Symptoms that a colleague gives may prove it. Maybe the keyboard tape is not sticking to the socket on the motherboard, unlikely but possible.
  • #7 12032263
    Kasek21
    Level 43  
    Posts: 45497
    Help: 4960
    Rate: 3501
    Board Language: polish
    lukiuki2010 wrote:
    Has the keyboard been flooded by accident?
    Lopez2300 wrote:
    Oh, nothing has ever spilled on the keyboard.


    Everything looks like a broken keyboard.
  • #8 12032404
    Lopez2300
    Level 9  
    Posts: 55
    Rate: 25
    Board Language: polish
    Can the laptop keyboard be replaced or repaired?
  • #9 12032437
    RADU23
    VIP Meritorious for electroda.pl  
    Posts: 20712
    Help: 2425
    Rate: 1726
    Board Language: polish
    You can.
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  • #10 12032451
    lukiuki2010
    Level 12  
    Posts: 89
    Help: 2
    Rate: 22
    Board Language: polish
    Can be replaced. You can also repair it, but it is not profitable. A colleague must see if the laptop's keyboard is screwed on the bottom (usually 2 screws), or is it on the so-called clamps from above. First, I would disassemble and fix the tape.
  • #11 12032844
    Lopez2300
    Level 9  
    Posts: 55
    Rate: 25
    Board Language: polish
    I unscrewed all the screws from the bottom and the entire top cover of the laptop comes off on the sides but something in the middle holds it and prevents me from removing it.
  • #12 12033009
    lukiuki2010
    Level 12  
    Posts: 89
    Help: 2
    Rate: 22
    Board Language: polish
    Write, buddy, what brand and model of Laptop is.
  • #13 12033292
    Lopez2300
    Level 9  
    Posts: 55
    Rate: 25
    Board Language: polish
    Toshiba Satellite A500-132
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  • #14 12033380
    lukiuki2010
    Level 12  
    Posts: 89
    Help: 2
    Rate: 22
    Board Language: polish
    From what I can see, the keyboard also has a key backlight. A colleague must remove the top cover above the keyboard. Since all the screws are unscrewed from the bottom, it is enough to gently lift this strip above the keyboard, it also sits on the terminals. There are probably 4 screws under the strip that hold the keyboard. After unscrewing them, there will be no problem with removing the keyboard. Generally, at this stage, the colleague does not have to remove the entire top cover of the laptop.
  • #15 12035634
    Lopez2300
    Level 9  
    Posts: 55
    Rate: 25
    Board Language: polish
    I disassembled the keyboard and adjusted the tape fastening, but it didn't help.
  • #16 12035681
    lukiuki2010
    Level 12  
    Posts: 89
    Help: 2
    Rate: 22
    Board Language: polish
    This is a different question, the rest. My colleague works fine? I mean USB ports, Touchpad, etc.
  • #17 12071688
    Lopez2300
    Level 9  
    Posts: 55
    Rate: 25
    Board Language: polish
    So everything else works fine. And yesterday I picked up my laptop from the service and it turned out that the keyboard was damaged, so they replaced it and the problem disappeared :) . Also thanks for your help :) .
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Topic summary

✨ The user reported keyboard issues on their Toshiba Satellite A500-132 laptop, where pressing certain keys resulted in unexpected outputs (e.g., pressing 'o' produced 'io', and 'v' produced 'cv'). Additionally, the cursor would jump to different locations when typing 'e' or 't'. Initial suggestions included restoring the system, scanning for malware, and checking keyboard functionality using a LiveCD system like Ubuntu. After further investigation, it was suggested that the keyboard might be damaged or improperly connected. The user attempted to disassemble the laptop to check the keyboard connection but faced difficulties. Ultimately, the keyboard was confirmed to be damaged and was replaced, resolving the issue.
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