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USB-Serial Controller Driver for Dell - Latitude E5550 working on Microsoft Windows 7 Ultimate

The Dell Latitude E5550 is a professional-grade laptop designed for business users who need reliable performance and durability. Featuring Intel Core processors and a 15.6-inch display, the E5550 is well-suited for multitasking, productivity, and everyday office applications. Its robust design includes a spill-resistant keyboard and reinforced chassis, making it ideal for frequent travel or use in demanding environments. With long battery life, a range of connectivity options, and security features, the Latitude E5550 offers a practical, cost-effective solution for businesses seeking a dependable and secure laptop.

Device Name:
USB-Serial Controller
Hardware ID:
USB\VID_067B&PID_2303&REV_0300
USB\VID_067B&PID_2303 <---- Device ID matches with our database


Compatible ID:
USB\CLASS_FF&SUBCLASS_00&PROT_00
USB\CLASS_FF&SUBCLASS_00
USB\CLASS_FF
Version:
,1970-01-01




List of driver files that match with the above device in our database.

You are viewing the drivers of an anonymous computer which may be not the same with your current computer. These driver(s) may not work with your computer. Please click on the link below to download, scan and get the correct drivers.

Why do i see many drivers ?
Below is a list of drivers that may be suitable for your device. With the different devices, they can have the same driver , it's because they all use the same chip manufacturer.

How to select driver?
If you are looking for an update , pickup the latest one. If your driver isn't working, use the driver having the same OEM with the your laptop/desktop brand name.
Watch this video to see how it works - click here
*: 2K=Windows 2000, 2K3= Windows 2003 , XP= Windows XP , VISTA = Windows Vista , WIN7 = Windows 7,WIN10/11= Windows 10/11
Driver name
OEM
Filename
Version
Date
Size
Operating System
Download
Prolific USB-to-Serial Comm Port
hp
3.9.7.2
2024-06-12
900.43 KB
XP, VISTA, WIN7, WIN8, WIN81, WIN10, WIN11/64bits
Prolific USB-to-Serial Comm Port
hp
3.9.7.2
2024-06-12
899.53 KB
XP, VISTA, WIN7, WIN8, WIN81, WIN10, WIN11/64bits
Prolific USB-to-Serial Comm Port
hp
3.9.4.2
2022-07-12
1.01 MB
XP, VISTA, WIN7, WIN8, WIN81, WIN10, WIN11/64bits
Prolific USB-to-Serial Comm Port
hp
3.9.4.2
2022-07-12
1 MB
XP, VISTA, WIN7, WIN8, WIN81, WIN10, WIN11/64bits
Prolific USB-to-Serial Comm Port
hp
3.9.4.2
2022-07-12
886.47 KB
XP, VISTA, WIN7, WIN8, WIN81, WIN10, WIN11/64bits
Prolific USB-to-Serial Comm Port
hp
3.9.4.2
2022-07-12
750.98 KB
XP, VISTA, WIN7, WIN8, WIN81, WIN10, WIN11/64bits
Prolific USB-to-Serial Comm Port
hp
3.9.4.2
2022-07-12
883.55 KB
XP, VISTA, WIN7, WIN8, WIN81, WIN10, WIN11/64bits
Prolific USB-to-Serial Comm Port
Others
3.9.2.0
2022-03-01
18.39 MB
XP, VISTA, WIN7, WIN8, WIN81, WIN10, WIN11/64bits
Prolific USB-to-Serial Comm Port
Others
3.8.41.0
2021-11-11
18.36 MB
2K, XP, 2K3, VISTA, WIN7, WIN8, WIN81, WIN10/32bits
XP, VISTA, WIN7, WIN8, WIN81, WIN10, WIN11/64bits
Prolific USB-to-Serial Comm Port
hp
3.9.0.2
2021-07-27
995.05 KB
XP, VISTA, WIN7, WIN8, WIN81, WIN10, WIN11/64bits
Prolific USB-to-Serial Comm Port
hp
3.9.0.2
2021-07-27
995.84 KB
XP, VISTA, WIN7, WIN8, WIN81, WIN10, WIN11/64bits
Prolific USB-to-Serial Comm Port
hp
3.9.0.2
2021-07-27
989.93 KB
XP, VISTA, WIN7, WIN8, WIN81, WIN10, WIN11/64bits
Prolific USB-to-Serial Comm Port
hp
3.9.0.2
2021-07-27
1.02 MB
XP, VISTA, WIN7, WIN8, WIN81, WIN10, WIN11/64bits
Prolific USB-to-Serial Comm Port
Others
3.8.39.0
2021-01-08
10.74 MB
2K, XP, 2K3, VISTA, WIN7, WIN8, WIN81, WIN10/32bits
XP, VISTA, WIN7, WIN8, WIN81, WIN10, WIN11/64bits
Prolific USB-to-Serial Comm Port
Others
3.8.39.0
2021-01-08
10.76 MB
2K, XP, 2K3, VISTA, WIN7, WIN8, WIN81, WIN10/32bits
XP, VISTA, WIN7, WIN8, WIN81, WIN10, WIN11/64bits
Prolific USB-to-Serial Comm Port
Others
3.8.38.0
2020-12-01
32.36 MB
2K, XP, 2K3, VISTA, WIN7, WIN8, WIN81, WIN10/32bits
XP, VISTA, WIN7, WIN8, WIN81, WIN10, WIN11/64bits
Prolific USB-to-Serial Comm Port
Others
3.8.38.0
2020-12-01
10.53 MB
2K, XP, 2K3, VISTA, WIN7, WIN8, WIN81, WIN10/32bits
XP, VISTA, WIN7, WIN8, WIN81, WIN10, WIN11/64bits
Prolific USB-to-Serial Comm Port
hp
3.8.36.2
2020-05-12
785.55 KB
2K, XP, 2K3, VISTA, WIN7, WIN8, WIN81, WIN10/32bits
XP, VISTA, WIN7, WIN8, WIN81, WIN10, WIN11/64bits
Prolific USB-to-Serial Comm Port
hp
3.8.36.2
2020-05-12
775.74 KB
2K, XP, 2K3, VISTA, WIN7, WIN8, WIN81, WIN10/32bits
XP, VISTA, WIN7, WIN8, WIN81, WIN10, WIN11/64bits
Prolific USB-to-Serial Comm Port
hp
3.8.36.2
2020-05-12
1.22 MB
2K, XP, 2K3, VISTA, WIN7, WIN8, WIN81, WIN10/32bits
XP, VISTA, WIN7, WIN8, WIN81, WIN10, WIN11/64bits
Prolific USB-to-Serial Comm Port
hp
3.8.36.2
2020-05-12
1.23 MB
2K, XP, 2K3, VISTA, WIN7, WIN8, WIN81, WIN10/32bits
XP, VISTA, WIN7, WIN8, WIN81, WIN10, WIN11/64bits
Prolific USB-to-Serial Comm Port
hp
3.8.36.2
2020-05-12
862.69 KB
2K, XP, 2K3, VISTA, WIN7, WIN8, WIN81, WIN10/32bits
XP, VISTA, WIN7, WIN8, WIN81, WIN10, WIN11/64bits
Prolific USB-to-Serial Comm Port
hp
3.8.36.2
2020-05-12
890.23 KB
2K, XP, 2K3, VISTA, WIN7, WIN8, WIN81, WIN10/32bits
XP, VISTA, WIN7, WIN8, WIN81, WIN10, WIN11/64bits
Prolific USB-to-Serial Comm Port
hp
3.8.36.2
2020-05-12
1.22 MB
2K, XP, 2K3, VISTA, WIN7, WIN8, WIN81, WIN10/32bits
XP, VISTA, WIN7, WIN8, WIN81, WIN10, WIN11/64bits
Prolific USB-to-Serial Comm Port
hp
3.8.36.2
2020-05-12
792.69 KB
2K, XP, 2K3, VISTA, WIN7, WIN8, WIN81, WIN10/32bits
XP, VISTA, WIN7, WIN8, WIN81, WIN10, WIN11/64bits
Prolific USB-to-Serial Comm Port
asus
3.8.31.1
2019-07-30
8.08 MB
2K, XP, 2K3, VISTA, WIN7, WIN8, WIN81, WIN10/32bits
XP, VISTA, WIN7, WIN8, WIN81, WIN10, WIN11/64bits
Prolific USB-to-Serial Comm Port
asus
3.8.31.1
2019-07-30
11.05 MB
2K, XP, 2K3, VISTA, WIN7, WIN8, WIN81, WIN10/32bits
XP, VISTA, WIN7, WIN8, WIN81, WIN10, WIN11/64bits
Prolific USB-to-Serial Comm Port
Others
3.8.31.0
2019-07-30
10.72 MB
2K, XP, 2K3, VISTA, WIN7, WIN8, WIN81, WIN10/32bits
XP, VISTA, WIN7, WIN8, WIN81, WIN10, WIN11/64bits

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