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Windows 7: Laptop no longer recognizes Touchpad or Trackpoint (not in Device Mgr)

1 Week Ago   #1
catalogue

7 Pro 64
 
 
Touchpad/Trackpoint disappear/reappear from Device

My Touchpad and Trackpoint suddenly stopped working and disappeared from Device Manager, then started again, then disappeared again. I suspect the brand-new driver at the Lenovo site is the problem.

They don't show up in Device Manager or Control Panel > Mouse. I got the latest driver (for my exact model) and completely reinstalled Windows, didn't make any difference.

Sequence of events:

- Removed keyboard and bezel (touchpad is part of bezel, trackpoint is part of keyboard) in order to clean out dust
- Reattached connectors with extreme delicacy and carefulness
- After restarting, the computer stopped being able to find the touchpad and trackpoint
- Removed keyboard again, reconnected, restarted - did this several times; didn't help
- Got latest driver from Lenovo site; it went through installation process (sequence of typical program install screens) and looked like it was installing but in the end didn't show up in Device Manager or Control Panel > Mouse > Hardware
- did System Restore
- reinstalled Windows entirely, ran Windows Update, got latest driver

Next I did two things at the same time and then the Touchpad/Trackpoint started working again but only for half an hour, then they stopped again:

- Ran Device Doctor (program for finding drivers) which found and installed driver 19.3.4.214 from 7/25/2018. (May be wrong driver, see below)

- Disconnected/reconnected connector but this time put it in about 1/2 to 3/4 millimeter LESS deep i.e. less "seated" instead of as far down as it would go.

Now the Trackpoint and Touchpad worked for half an hour, then suddenly while I was sitting there using it and not making any changes, they stopped. The driver still shows up in Programs and Features, but not Device Manager or Control Panel > Mouse > Hardware

Note that when you search for that driver number you find this page which says its only for Lenovo Yoga, which mine isn't and no other Lenovo models Synaptics UltraNav Driver for Windows 7 (32-bit, 64-bit) - ThinkPad Yoga 12 - US

Wouldn't the first thing to do be to find an older driver? Because there is zero evidence of physical damage. The latest driver (for my exact model and serial number) at the Lenovo site is dated December 2018 and is for Win 7 through 10, which sounds very likely to malfunction on a 7 year old computer running Win 7.


My System SpecsSystem Spec
.
1 Week Ago   #2
Paul Black

7 HP SP1 64-bit Vista HB SP2 32-bit Linux Mint 18.3
 
 

Hi catalogue, did you try an external USB keyboard and mouse to see if they work?
Re-check the connections thoroughly!
My System SpecsSystem Spec
1 Week Ago   #3
Megahertz07

Windows 7 HP 64
 
 

Quote   Quote: Originally Posted by catalogue View Post
My Touchpad and Trackpoint suddenly stopped working. They don't show up in Device Manager or under Control Panel > Mouse.
- Removed keyboard and bezel (touchpad is part of bezel, trackpoint is part of keyboard) in order to clean out dust.
If it doesn't show on device manager the hardware isn't connected to the computer.
It's probably the ribbon cable that isn't well inserted. Remember: the ribbon cable has two ends. Check both.
My System SpecsSystem Spec
.

1 Week Ago   #4
catalogue

7 Pro 64
 
 

Quote   Quote: Originally Posted by Paul Black View Post
Hi catalogue, did you try an external USB keyboard and mouse to see if they work?
I tried an external mouse and it works. Didn't try keyboard; everything on the internal keyboard works apart from the Trackpoint. Also see above where everything worked again for half an hour and then broke again.
My System SpecsSystem Spec
1 Week Ago   #5
Paul Black

7 HP SP1 64-bit Vista HB SP2 32-bit Linux Mint 18.3
 
 

Hi catalogue,

Quote   Quote: Originally Posted by catalogue View Post
I tried an external mouse and it works. Didn't try keyboard; everything on the internal keyboard works apart from the Trackpoint.
Have you tried what Megahertz07 has suggested below?

Quote   Quote: Originally Posted by Megahertz07 View Post
If it doesn't show on device manager the hardware isn't connected to the computer.
It's probably the ribbon cable that isn't well inserted. Remember: the ribbon cable has two ends. Check both.
I hope this helps!
My System SpecsSystem Spec
1 Week Ago   #6
catalogue

7 Pro 64
 
 

Quote   Quote: Originally Posted by Megahertz07 View Post
If it doesn't show on device manager the hardware isn't connected to the computer.
It's probably the ribbon cable that isn't well inserted. Remember: the ribbon cable has two ends. Check both.
Not sure if you saw in the post, it said I disconnected-reconnected-restarted several times being extremely careful to make sure it was connected right. I inspected the ribbon and connectors with a powerful magnifier and they look to me in spotless shiny new condition but I don't know if things can get damaged that would require hundreds of times magnification to see. I do know that Youtube is full of how-to videos where they yank the connector out much more forcefully than I did.
My System SpecsSystem Spec
1 Week Ago   #7
Paul Black

7 HP SP1 64-bit Vista HB SP2 32-bit Linux Mint 18.3
 
 

Hi catalogue,

Quote   Quote: Originally Posted by catalogue View Post
I suspect the brand-new driver at the Lenovo site is the problem.
Have you tried installing the driver prior to the brand-new driver at the Lenovo site?
My System SpecsSystem Spec
1 Week Ago   #8
catalogue

7 Pro 64
 
 

Quote   Quote: Originally Posted by Paul Black View Post
Have you tried installing the driver prior to the brand-new driver at the Lenovo site?
Do you know some way to find old versions of drivers? I don't. I scoured the Lenovo site and find no trace of any possible way to get old drivers. I searched online and can't find sites with old drivers (for any kind of device) or even anyone discussing anywhere how to get them. Oldversion.com has maybe dozen old drivers *total* out of the many millions that are out there.
My System SpecsSystem Spec
1 Week Ago   #9
Megahertz07

Windows 7 HP 64
 
 

If it doesn't show on device manager the hardware isn't connected to the computer. It is NOT the driver. If it was the case, it would show on device manger.
My System SpecsSystem Spec
1 Week Ago   #10
Paul Black

7 HP SP1 64-bit Vista HB SP2 32-bit Linux Mint 18.3
 
 

Hi catalogue,

Quote   Quote: Originally Posted by catalogue View Post
Do you know some way to find old versions of drivers?
Find the version number of the Touchpad and Trackpoint driver that you currently have installed. Then you will be able to Google for a previous driver!
My System SpecsSystem Spec
Reply

 Laptop no longer recognizes Touchpad or Trackpoint (not in Device Mgr)




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