That's real interesting since the A20 line has got to do with the keyboard. Are you using an external keyboard when the error occurs? HTH, Jose Donald Rex Gaither wrote: > Hi, > I have a weird problem on a Compaq Presario 1610 laptop. I recently > installed Windows 98 (upgrade CD, clean install). It is now giving a > "Himem.sys cannot control the A20 line" error whenever I restart. Powering > off and turning it back on works fine, though. It started after I installed > several programs (unfortunately, the company I work at uses a program to > install the programs over the network, so I don't know which specific > program caused it to start acting up). The programs are MS Office 97 Pro, > NAV 4.0, Reflection 1 and 8 (terminal emulators), and Lotus Notes 4.5b. Any > ideas? > > TIA, > Donald Gaither PCBUILD's List Owner's: Bob Wright<[log in to unmask]> Drew Dunn<[log in to unmask]>