onInit_issue.ts

// From my component definition
    ngOnInit() {
        this.validationService.getDrivers().subscribe(
            function(response: Response){
                this.installedDrivers = response.json().data.drivers;
                this.defaultDriver = this.installedDrivers.find(driver => driver.startsWith('HP Universal'));
                console.log(this.installeDrivers)
                console.log(this.defaultDriver);
            },
            (err) => console.log(err)
        );
    }
    
<!-- relevant snippet of component -->
                <p>drivers</p>
                <p>default: {{defaultDriver}}</p>
               <ul>
                   <li *ngFor="#driver of installedDrivers">{{driver}}</li>
               </ul>
                <div class="form-group">
                    <label for="driver" class="col-sm-2 control-label">Driver:</label>
                    <div class="col-sm-5">
                        <select class="form-control" ngControl="driver">
                            <option *ngFor="#d of installedDrivers" [value]="d">{{d}}</option>
                        </select>
                    </div>
                </div>