TouchPad freezes on Satellite L40 - 18Z

Hi all, first Post.

I am a former technician of I.T. & worked on computers since 1984, & on laptops since 2001.

This topic is mainly about the L40 - 18Z, but 2 other models are mentioned.

I met a problem with the TouchPad on a Toshiba L40 - 18Z, (& also an A100-338) running costs two installs 32-bit Vista Home Premium but not a recovery Partition or a Dvd.
Same problem as well on a L300 - 25K running Windows 7 Edition Home Premium.

The touchpad freezes sometimes. Sometimes, you can move the arrow cursor, but very slowly.

All 3 work fine, now with a Usb mouse.

ALL the latest drivers on the Toshiba site are installed on laptops all 3.
All updates are installed with Microsoft.
ALL have the latest Bios updates.

The L300 - 25K & the A100-338, I think I solved the problem by installing the package of value added, but the VAP software is not listed in the section for the L40 drivers.
I tried both the L300 & A100 VAP on the L40, but they did not work.

Strangely, on the L40, I reduced the 1280 x 800 screen resolution to 1280 x 768 & the problem seems to have, at least for the last day or so!

Also, I found that unplugging the power cord "cured" the problem on all 3 laptops right now.

I tried to feed all 3 laptops without batteries at the same time that the fault occurred, but cela made no difference, while the batteries must be in agreement.

The L300 is my own personal laptop & the other 2 are members of the family.

I don't think that laptops specifications is relevant to this problem, but let's go anyway:

Toshiba Equium L40 - 18Z (PSL48E-033008EN)
32-bit Vista Home Premium
Intel Cpu T2330 @ 1.60 ghz
1.5 GB Ram Pc2-5300
80 GB SATA hard drive
TruBrite Lcd 15.4 "

Toshiba A100-338 (PSAAQE-006008AV)
32-bit Vista Home Premium
Intel Cpu T5200 @ 1.60 ghz
2 GB Pc2-5300 Ram
100 GB SATA Hdd
TruBrite Lcd 15.4 "

Toshiba L300 - 25K (PSLB9E-03M02UEN)
32-bit Windows 7 Home Premium (original Vista HP)
Intel Celeron 900 Cpu @ 2.20 ghz
2 GB Pc2-5300 Ram
120 GB SATA hard drive
TruBrite Lcd 15.4 "

I would go to the bottom of this for all future repairs, so if anyone has any suggestions...?

> I found that C:\Program Files\Synaptics\SynTPEnh.exe has been "blocked" so I moved the file to the desktop, unlocked, then he came back

SynTPEnh.exe belongs to the Synaptics touchpad driver and I think that you have software installed on the laptop that doesn't work with this touchpad driver
It's only a guess, but maybe some firewall or anti-virus tool could block this exe. Maybe you should check it using a clean operating system.

Also try reinstalling the driver for the touchpad maybe it helps.

Tags: Toshiba

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