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Customer reviews for Kalon KL-HP 21 HP Deskjet 3910 3930 3940 HP PSC1410 Printer Inkjet Cartridge. 202 of 221 people found the following review helpful: 4.0 out of 5 stars Beware before installing with Vista, January 6, 2009 By BikeStrong (Saratoga Springs, NY) - See all my reviews Amazon Verified Purchase(What's this?) This review is from: IOGEAR USB 2.1 Bluetooth Micro Adapter (GBU421) (Personal Computers) *** My comments (below) are from January 2009. One of the more recent comments (April 2010) states that my issues are no longer valid. Just a heads up that things change/improve over time. *** The product works (eventually) and is low priced and is tiny. But, before you install it, please consider the following. Customer care by Iogear is horrendous. The first hurdle is bad instructions. Step 1 for Vista says you MUST insert the device. Then step 8 says DO NOT insert the device. 8 is correct, by the way. Still, the included ver. 5 drivers do not work with Vista. When you contact the vendor for help, they'll tell you where the ver. 6 drivers reside. They're marked 221 thru 321 so you think they don't work with the 421, but they do. Oh, you need the revised instructions, too. By the way, the included disc says nothing about the software version. You have to watch for it after launching setup. So, get ver. 6 drivers or later, get the latest instructions, and don't plug in until the drivers are fully installed in Vista. I asked if the drivers were necessary since Vista wants to provide its own, and tech support said yes, you need to install them. I tried tech support's live chat. They pointed me to newer instructions that said to wait before connecting, but they said nothing about the ver. 5 drivers and Vista incompatibility. After wasting 2 hours installing and uninstalling, I emailed to tech support. I wrote at midnight and when I got up bright and early, I had a URL for the proper drivers and instructions. The final installation was flawless and the device works fine. Help other customers find the most helpful reviews Was this review helpful to you? Yes No Report abuse | Permalink Comment Comments (18) 64 of 69 people found the following review helpful: 1.0 out of 5 stars Not working with Windows 7, no support, December 11, 2009 By Joe Pambianco (San Jose, CA United States) - See all my reviews (REAL NAME) Amazon Verified Purchase(What's this?) This review is from: IOGEAR USB 2.1 Bluetooth Micro Adapter (GBU421) (Personal Computers) I am very frustrated with this product and the poor customer support I am recieving. I was able with difficulty to get this product working on my PC with Vista. We were using it to synch the PC to a Palm device. When we upgraded to Windows 7, it no longer worked. Ok, so I went to their website, downloaded and installed the driver that says it supports Win 7. It installs, but doesn't work. I have called tech support on two separate occasions and held for 20 minutes at the end of that time, it sends me to voicemail. That's frustrating. What's more frustrating is that they haven't bothered to call me back. I've only had the product for a few months. If they want to be in this business, they have to support Windows 7 and they have to support their customers. They have certainly lost my business and I recommend you steer clear as well. Help other customers find the most helpful reviews Was this review helpful to you? Yes No Report abuse | Permalink Comment Comments (12) Source: http://www.amazon.com/IOGEAR-Bluetooth-Micro-Adapter-GBU421/product-reviews/B0018O9JIG/ref=dp_top_cm_cr_acr_txt?ie=UTF8&showViewpoints=1