Solved Old AcerBen. Q scanner drivers x. Sorry for replying that late to an old topic, I think I found a solution to the paper size problem and I hope others will be able to reuse they old hardware using this solution. Disclaimer I take no responsibility of this fix being applicable to your hardware, neither for accidental hardware damage caused by trying or applying this fix. Please carefully check the specification of all your hardware that might use this driver. Rkhp7TBuLTQ/0.jpg' alt='Driver Fn Key Acer' title='Driver Fn Key Acer' />If youre in the market for a thin and light multimedia laptop with a fullsize 15. Acer Aspire V 15 Nitro models should be on your list. I too have same problem in my Acer Aspire Netbook. FN key is pressed. So I can use only keys which does not have any special fucntions. First download the bios according to your model Bios download for Acer Notebook, Netbook Desktop PC http 1 Extract the. ZIP 2. The given scan area must support both A4 and Letter paper. The fix in the acerscad. Letter paper according to the WIA specifications WIA 2. Page Size Constants Windows each dimension of the paper is given in milli inches, i. Explanation Currently WIAPAGELETTER is used in the driver, that is, 8. In hexadecimal terms that is 0x. AF8. Note that the prefix 0x is common to denote hexadecimal numbers but you should omit that on the user interface of most hexadecimal editor applications. I will use bold for hex and italic for decimal numbers. Using a hex editor I located these values at positions 6. Form 49B Excel Format. A and 6. 56. 0 to 6. F4. 2F to F4. 30 and F4. F4. 2A in the acerscad. Notice that numbers referring to the paper dimensions are in very close positions, which makes us guess they are not a piece of instruction in the code, but really the paper dimensions. Contabilizzazione Spese Software S. How To Install Usb Drivers In Dos World. Actually the values are stored in reversed byte order, so they read 3. F8. 2A. If your scanner is capable of both scanning A4 and Letter paper, then it should be safe to choose the maximum of the widths and the heights of the two page sizes. Considering that WIAPAGEA4 is 8. B by 2. DAC in hex terms, we will go with 8. DAC. Quick how to Now take a hex editor search for one of your choice and go to location 6. Find the value F8. A and replace it by AC2. D, doing so you conform the reversed byte order needed by your machine. Then go to location F4. F4. 30 and repeat the replacement and save the file. You are done editing now you can install your brand new driver supporting both A4 and Letter paper. If you are on a recent platform you should proceed with the driver signing process described by others to be able to install the driver. Remark Though my hardware scans perfectly at 5. Also it interrupts the scan of A4 paper in some applications with the latter resolution. There is some conversion problem of non integer milli inch page sizes and Microsoft Paint seems to be the most tolerant with those errors. How can I fix the keyboard on my Acer Aspire laptop not work My laptop in an Acer Aspire 4. Some of its keyboard doesnt work. When I connect an external USB keyboard, its shift key changes to backspace. At first, I thought it was a corruption in my Windows 7, so I reinstalled it using Linux, but it still didnt work. Because of frustration, I changed it again into Windows 7. I am so stressed.